OA-50

Manufacturer Part NumberOA-50
DescriptionDisc Thermostat; 1/2 in; opens 50 degF; auto reset 32 degF; surface mt, sol tabs
ManufacturerSELCO
OA-50 datasheet
 


Specifications of OA-50

Body StyleDiscBrand/seriesOA
Current Rating15⁄10 ADielectric Rating1500 VAC per 1 Minute
Dimensions1.18 in. L × 0.570 in. W × 0.395 in. HFunctionThermostat
Mounting StyleSurface MountOutputNC
Primary TypeThermostatResistance, Insulation100 Megohms
StandardsUL & cUL Listed, CSA Certified, VDE ApprovedTechnologyThermal Conductive
TerminationSolderThermostat TypeDisc
Voltage, Supply250 VAC  
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S E L C O P R OD UCT S CO M PA NY
THERMOSTATS
ELECTRONIC CONTROLS
ISO 9001/AS 9100 Certified Quality System
Our Service Makes The Difference
1/2” Disc Thermostats
1/2” Disc Hermetically Sealed Thermostats
3/4” Disc
Thermostats
Encapsulated Thermostats
Thermal Protectors
Printed Circuit
Board Thermostats
One-Shot Thermal Cut-offs
Probe Thermostats
Cold Cap-
illary Thermostats
Adjustable Thermostats
Hot Bulb & Capillary Thermostats
Value Added Services
NTC Thermistors
PPTC Thermistors
CdS Photo-
cells
Electronic Controls
Digital Panel Meters
Control Knobs
w w w . s e l c o p r o d u c t s . c o m

OA-50 Summary of contents

  • Page 1

    ... THERMOSTATS ISO 9001/AS 9100 Certified Quality System Our Service Makes The Difference 1/2” Disc Thermostats Thermostats Encapsulated Thermostats Board Thermostats One-Shot Thermal Cut-offs illary Thermostats Adjustable Thermostats Value Added Services cells Electronic Controls UCT ELECTRONIC CONTROLS 1/2” Disc Hermetically Sealed Thermostats ...

  • Page 2

    ... Selco handles all marketing and distribution of their products in North America and we also assist with engineering, quality assurance, and UL approvals. This allows us to offer a very broad range of products at very competitive prices. A full range of product lines are offered by Selco including thermal products, thermistors, control knobs, electronic controls, and digital panel meters ...

  • Page 3

    ... The bimetal disc is retained by a metal heat-conducting end cap. The CA and OA Series thermostats are used in a variety of applications. They are produced in an ISO 9000 certified factory to insure safe and reliable operation. All models are 100% factory inspected for temperature, continuity and function. ...

  • Page 4

    ... Close CA-230-STG 185 ± 10 Close CA-240 210 ± 10 Close CA-270 240 ± 10 Close CA-270-QCV 240 ± 7 Close CA-300 270 ± 10 Open OA-50 50 ± 5 Open OA-60 60 ± 5 Open OA-60-PCB 60 ± 5 Open OA-60-QCR 60 ± 5 Open OA-60-QCV 60 ± 5 Open OA-60-WOB 60 ± 5 Open OA-70 70 ± ...

  • Page 5

    ... FAX (714) 917-1355 www.selcoproducts.com OA - Open On-Rise (normally closed) Orientation from Terminals Mounting Holes .187 quick connects, horizontal 45º .250 quick connects, vertical 45º .250 quick connects, vertical .250 quick connects, vertical .250 quick connects, vertical 90º ...

  • Page 6

    ... OM-302-QCV Open OM-320 Open OM-320- ’ (714) 917-1333 (800) 257-3526 Electrical ratings - Type U-H Inductive load ratings Electrical ratings - Type K (Type K not VDE approved) Temperature range UL approved models Non-UL approved models Manual reset Automatic reset Environmental temperature Insulation resistance Circuit resistance ...

  • Page 7

    ... Code AU Stainless Fixed Surface Code QL Stainless Fixed Surface Aluminum Cap Stud Mount - Brass Stud Mount Available In Code SO (6-32) Code SM3 (M3) Code ST (8-32) Code SM4 (M4) Code S2 (10-32) FAX (714) 917-1355 E-mail: sales@selcoproducts.com Code BO Aluminum No Bracket Code QF Stainless Fixed Surface Code FF Stainless Moveable ...

  • Page 8

    ... Quick Connects @ 30º ’ (714) 917-1333 (800) 257-3526 www.selcoproducts.com Code SV Solder Vertical Code TH .187 Quick Connects Horizontal Code PCB Printed Circuit Board FAX (714) 917-1355 E-mail: sales@selcoproducts.com Code BH .250 Quick Connects Horizontal Code TV .187 Quick Connects Vertical Code T3H .187 Quick Connects Horizontal ...

  • Page 9

    ... UL File No. E145478(S), XAPX2 CSA File No. LR63201 VDE File No. F-14713, CE RoHS Compliant OR - Open On-Rise (normally closed) Terminals .250 quick connects, horizontal .250 quick connects, horizontal solder, horizontal .250 quick connects, horizontal .250 quick connects, vertical .250 quick connects, horizontal E-mail: sales@selcoproducts.com ...

  • Page 10

    ... ORA - Open On-Rise (normally closed) Terminals .250 quick connects, vertical .250 quick connects, vertical .187 quick connects, horizontal .250 quick connects, horizontal .250 quick connects, horizontal .250 quick connects, horizontal .250 quick connects, horizontal .250 quick connects, horizontal .250 quick connects, vertical E-mail: sales@selcoproducts.com ...

  • Page 11

    ... Code BO Aluminum No Bracket Code FF Stainless Moveable Surface Available for 622 Series only ’ (714) 917-1333 (800) 257-3526 www.selcoproducts.com Code QL Stainless Moveable Surface Aluminum Cap Code QD Stainless Moveable Surface FAX (714) 917-1355 E-mail: sales@selcoproducts.com Code IO Stainless Fixed Air ...

  • Page 12

    ... Code BV .250 Quick Connects Vertical Code TH .187 Quick Connects Horizontal ’ (714) 917-1333 (800) 257-3526 www.selcoproducts.com Code BH .250 Quick Connects Horizontal Code SH Solder Tabs Horizontal FAX (714) 917-1355 E-mail: sales@selcoproducts.com Code TV .187 Quick Connects Vertical ...

  • Page 13

    ... Open on-rise (normally closed) Y Close on-rise (normally open) Terminal Type Models CA/OA (602S) and OM (603U-H) Models CR/OR (622A and 622P) and CRA/ORA (625A) Bracket Type Models CA/OA (602S) and OM (603U-H) Models CR/OR (622A and 622P) and CRA/ORA (625A) Terminal Orientation 0º 45º 90º 602 ...

  • Page 14

    ... ” The Selco hermetically sealed thermostat is a snap-action disc control. Its welded, hermetically sealed construction was designed for applications where maximum shock and vibration resistance is required. The steel case provides protection from dust and moisture. Terminals are a solder type or weld and lead wires are available. ...

  • Page 15

    ... Factory calibrated to your Medical/Lab equipment specifications Commercial food eqpt. Selco’s direct sensing thermostats are larger than our standard thermostats, giving them an even more powerful bimetallic disc and a higher electrical rating. They are ideal for use with heating and air conditioning systems as well as with industrial equipment ...

  • Page 16

    ... SES-L - Open On-Rise (normally closed) Temperature Ranges Open ºF Close ºF 110 ± ± 9 120 ± 7 106 ± 9 150 ± 7 130 ± 9 180 ± 7 150 ± 9 190 ± 7 160 ± 9 213 ± 7 155 ± 9 250 ± 7 220 ± 9 275 ± 7 245 ± 9 E-mail: sales@selcoproducts.com ...

  • Page 17

    ... Operation up to 350ºF Major appliances Factory calibrated to your Vending machines specifications Selco thermostats are widely used to control or protect high-power home appliances like dryers, dishwashers, home water heaters, and solar heaters. The switch mechanism is actuated by a snap-action bimetal disc, which may be enclosed or exposed. ...

  • Page 18

    ... Code 0 -0º Code 60 -60º Code 150 -150º ’ (714) 917-1333 (800) 257-3526 www.selcoproducts.com Code 30 -30º Code 90 -90º FAX (714) 917-1355 E-mail: sales@selcoproducts.com Code 45 -45º Code 135 -135º ...

  • Page 19

    ... Build Your Own Part Terminal Terminals Type (S.P.S.T.) (S.P.S.T.) (S.P.D.T.) Example Part Number Terminal Terminals Type FAX (714) 917-1355 www.selcoproducts.com Terminal Set Point Differential Orientation ºF 90º 170º Terminal Set Point Differential Orientation ºF E-mail: sales@selcoproducts.com ºF 30º ºF ...

  • Page 20

    ... FEATURES 10 and 25 amp loads Dust and moisture proof Wide range of operating temperatures The SEO (T) Series automatic reset thermostat was designed for humid environments. A resin filled thermoplastic cap covers the thermostat. The fixed factory calibrated bimetal disc is located adjacent to the surface to be monitored. ...

  • Page 21

    ... T21 Model - With Bracket Stainless steel cover T22 Model - Auxiliary Clip Mount Stainless steel cover - 3/8” and 1/2” clips T60 Model - Plastic Body ’ (714) 917-1333 (800) 257-3526 FAX (714) 917-1355 www.selcoproducts.com E-mail: sales@selcoproducts.com ...

  • Page 22

    ... Electrical Function ’ (714) 917-1333 (800) 257-3526 Build Your Own Part Set Point (ºF) Differential (ºF) Example Part Number 60 20 Set Point (ºF) Differential (ºF) FAX (714) 917-1355 www.selcoproducts.com Lead Lengths Pipe Size (inches) 12 Lead Lengths Pipe Size (inches) E-mail: sales@selcoproducts.com Clip 1 ...

  • Page 23

    ... File No. 8921.00-4510-0027 RoHS Compliant Contact system OP6, OP61, and OP62 Models Close on-rise (normally open) Silver contacts OP6#G Close on-rise (normally open) PGS (Platinum/Gold/Silver alloy) cross-bar contacts for micro electric load of electronic applications ’ (714) 917-1333 (800) 257-3526 FEATURES PBT enclosure ...

  • Page 24

    ... UP7 Without lead wires, 2 welding terminals UP71 Uninsulated solid wires, bare UP72 Stranded insulated wires, tin-coated - 22AWG Standard lead length: 50mm + 7mm Temperature range 131ºF to 302ºF (55ºC to 150ºC) Temperature tolerance ±9ºF, ±12ºF, ±18ºF (±5ºC, ±7ºC, ±10ºC) Standard differential 50º ...

  • Page 25

    ... Self-Hold Thermal Cut-Out and Thermal Protectors are designed to provide overheat protection in high voltage applications. With a high 16 Amp capability, the new models are well suited for thermal overload protection in a broad range of applications. The body of these surface mount devices are manufactured of phenolic resin and feature a new patent pending partition wall design that isolates the switch from the main body ...

  • Page 26

    ... APPLICATIONS HID ballasts Transformers Battery packs Lighting ballasts Vacuum cleaners Split capacitor motors Automotive accessory, solenoids, PC boards and other applications SPECIFICATIONS 16VDC, 20 Amps, 10,000 Cycles 120VAC, 22 Amps, 10,000 Cycles 277VAC, 8 Amps, 10,000 Cycles 600VAC, 4 Amps, 10,000 Cycles 900 Volts UL File Numbers found under Texas Instr. 7AM ...

  • Page 27

    ... Conforms to Y220/TO220 package Gold cross-bar contact applicable to micro current The Selco 802 Series is a miniature bimetal thermostat. This PCB unit conforms to the international Y220/TO220 package. The SPST snap-action contact is available normally open or normally closed at a factory set point range of 104ºF to 284ºF. ...

  • Page 28

    ... Where TF = the functioning temperature (24ºC less than or equal 170 338 to TS less than or equal to 40ºC) 155 311 T D The heating temperature caused by electrical load 171 340 +a 1. Self heating of lead wire 250 482 2. Structure of ventilation or air tightness 176 349 3 ...

  • Page 29

    ... HVAC, and environmental fields. UL and C-UL certified. CPO/CPC Series CPO/CPC Series - SPECIFICATIONS Electrical ratings (Silver contacts) (Gold contacts) Inductive load ratings Temperature range Differential Environmental temperature Insulation resistance Circuit resistance Dielectric strength Pressure rating Materials Body & ...

  • Page 30

    ... Room Temperature - 525ºF ± 20ºF S200-A-1325 Room Temperature - 425ºF ± 20ºF S200-A-2051 Room Temperature - 205ºF ± 10ºF S200-F-1 Room Temperature - 575ºF ± 25ºF * Temperature calibration service is available - consult Selco for details ** Turn clockwise to increase temperature setting ’ (714) 917-1333 (800) 257-3526 & The S200 Series thermostats have a base plate with a high coefficient of expansion ...

  • Page 31

    ... Tolerance: ±18ºF (±10ºC) 410ºF to 518ºF (210ºC to 270ºC) Tolerance: ±27ºF (±15ºC) 90ºF to 550ºF (32ºC to 287ºC) Tolerance: ±5% of the calibration temperature or 10ºF whatever is greater 1500VAC/1 minute UL C-UL VDE E-mail: sales@selcoproducts.com ...

  • Page 32

    ... Contact resistance >100m S Insulation resistance Dielectric strength AC 50/60Hz, 1500V/1 minute UL/CSA electrical ratings 125VAC, 8 Amps, Resistive 250VAC, 5 Amps, Resistive Inductive load ratings 125VAC, 6FLA, 36LRA 250VAC, 4FLA, 24LRA VDE electrical ratings 250VAC, 5 Amps Approvals UL File No. E195847, SDFY2 C-UL File No. E195847, SDFY8 ...

  • Page 33

    ... SPST or SPDT. There is a narrow differential and a forced off function. Series can be used in DC current with inductive loads. Fixed operating temperatures (without shaft) ar also available. With universal adaptability in mind, the WK and WK-H Series ...

  • Page 34

    ... Terminal No and 3 - are the same direction as capillary Terminal No and 7 - are the opposite direction Ground Terminal No and 5 - are in the front of the bracket Ground Terminal No and 7 - are in the rear of the bracket FAX (714) 917-1355 www.selcoproducts.com (2) (3) Code D (inches) Ground Terminal Terminal E-mail: sales@selcoproducts.com ...

  • Page 35

    ... Temperature control with S.P.S.T. switch and auxiliary switch for OFF position. Automatic defrost function by constant cut-in value. Terminal 3-4: Closes on temperature rise Terminal 3-6: Opens in OFF position SPECIFICATIONS Electrical ratings Inductive load ratings Temperature range Adjustment range Tolerance Contact resistance Insulation resistance Dielectric strength Approvals ...

  • Page 36

    ... Terminal 3-4: Closes on temperature rise In general, Type KP is classified into 2 basic versions: Version A: KP with standard switching differential Version B: KP with wide switching differential SPECIFICATIONS Electrical ratings Inductive load ratings Temperature range Adjustment range Differential Tolerance Contact resistance Insulation resistance Dielectric strength ...

  • Page 37

    ... Defrost function can be initiated in any position of the dial shaft. If initiated in error, the defrost function can be cancelled by turning the dial shaft to the OFF position. Terminal 3-4: Closes on temperature rise Electrical ratings Inductive load ratings Temperature range Adjustment range Differential Defrost temperature Tolerance ...

  • Page 38

    ... Main switch closes at temperature rise 3-6 Signal switch closes at temperature rise C Compressor S1 Warning lamp indicates to high temperature FAX (714) 917-1355 E-mail: sales@selcoproducts.com 250V, 50Hz Terminal 3-4: 6 Amps Terminal 3-6: 0.1 Amps -40ºF to 104ºF (-40ºC to 40º 30K 3 to 14K 2.7ºF (1.5ºC) at calibration point 3.6º ...

  • Page 39

    ... WXN005 WKP003 KP006 KP007 WAN002 WXN002B WLD001 BT001 WLD007 WLD008 ’ (714) 917-1333 (800) 257-3526 www.selcoproducts.com WKP004 WKP005 WKB001 XN001A WZJ001 WWZ001 BT001 JT002 JT001 FAX (714) 917-1355 E-mail: sales@selcoproducts.com KP002 XN001 JD702 WDJ001 ...

  • Page 40

    ... Compression fittings for mounting, gold contacts, .250 quick connects, customer markings, angular rotations, shaft lengths, back fixing plate bracket (2 holes .5mm dia., 58mm distance), plastic coating to prevent against moisture and dust S.P.S.T., Normally closed (open on temp. rise) Auxiliary contact - 30 Amp, 250 Volt Available on request with 10-32 screw terminals D ...

  • Page 41

    ... Model SJW ’ (714) 917-1333 (800) 257-3526 Model SJQ D.P.S.T. - Normally closed, open on temperature rise Amps, 250 Volts Model SJW D.P.S.T. - Normally closed, open on temperature rise Amps, 250 Volts - Positive off switch available upon request FAX (714) 917-1355 www.selcoproducts.com E-mail: sales@selcoproducts.com ...

  • Page 42

    ... Amps, Inductive 400VAC, 1 Amp, Inductive 10,000 Cycles Compression fittings for mounting, screw terminals, quick connects, gold contacts, SPDT, earth terminals, dial layouts, plastic coating to prevent moisture UL File No. E168164(S), XAPX2 C-UL File No. E168164(S), XAPX8 E.C. Declaration of Conformity RoHS Compliant VDE, SEMKO, KEMA For A ...

  • Page 43

    ... E-mail: sales@selcoproducts.com .24 .20 .250 .19 .20 .20 .24 .24 .19 .19 .20 .20 .20 .20 .118 .250 .24 mm Capillary Length mm 900 900 900 900 900 900 900 900 900 900 ...

  • Page 44

    ... The circuit will remain inactive until the thermostat is reactivated by manually depressing the reset button. Selco CAP-MR Series meets the requirement of U.L. trip-free device where the circuit remains open while the manual reset is held depressed. ...

  • Page 45

    ... & Selco’s line of Bulb & Capillary thermostats come complete with a variety of brackets, terminals, dial plates, knobs and adjustment shaft options to accommodate a wide range of installation requirements. Custom printing available. 2266A/68-118 CAP-XXX-KNOB-1 (model shown with bezel) 2302L Models available from stock - subject to availability ...

  • Page 46

    ... Additionally, with Selco’s volume purchasing of these small speciality items, customers eliminate paying premium prices. Call to today to find out how Selco can eliminate the hassle of assembly and purchasing details that end up costing valuable time and money. ...

  • Page 47

    ... In addition, Selco can address custom applications with virtually unlimited options in materials, configurations, leads, and connections. The complete selection of NTC thermistors offered by Selco include: Interchangeable (IN Series) Small size with ease of handling High accuracy tolerances to ±0.10°C Operating ranges from -50° ...

  • Page 48

    ... POT or connector that can optionally be used with input signals such as humidity, pressure, or other. Model 2699 has all the same features as Model 2698, however, includes up to three outputs and onboard bi-color LED indicator. The additional outputs can be programmed to drive a fan, lights, damper, heater, or compressor. ...

  • Page 49

    ... The software developed by Selco/ECC would be designed with different temperature, timing, and switching parameters that the manufacturer could select according to the requirements and application of the particular model appliance. ...

  • Page 50

    ... Type temperature range: 40ºF to 999ºF; TBD accuracy Two 1/4” quick connect terminals for START switch at E1 & E2 (closure to ground) Drive for off-board 12V SSR Audible (onboard) beeper Standard controls consist of three pushbutton switches (MODE/SET, DOWN, and UP). An optional fourth pushbutton can be implemented for various applications ...

  • Page 51

    ... FAX (714) 917-1355 www.selcoproducts.com SPECIFICATIONS 115VAC; 50/60Hz .250 quick connect line (quantity 3) Labeled “Load”, “Neutral” and “Line” Load, 10 Amps at 115VAC seconds; or 1-63 minutes 1 second minute 1% Overall dimensions: 2.6” 2.6” 1” D Metal bottom plate mounts to heat dissipation surface +30º ...

  • Page 52

    ... Mating Plug #: 172167-1, Pins #: 77098-1) AC start, cycle select, program, alternate start 0.1” Molex IDC type 4 pin connector Connects up to 10A load to input power Two separately teachable timers with one start switch and one timing select switch 0.050 seconds to 54 minutes Other timing ranges available 0 ...

  • Page 53

    ... Sta “ ” “Solid State Transformer” (SST) Model 399-0642 designed to replace conventional linear transformers with a highly efficient switching power supply. The SST fits a PC Board transformer footprint and accepts a wide input voltage range 305 VAC 500 Hz, offering users optimum flexibility over a wide range of applications. ...

  • Page 54

    ... Watts maximum DPDT relay 10 Amps at 30Vdc resistive 10 Amps at 120 and 240 VAC, 1/3HP at 120VAC 1,000,000 cycles minimum under rated load 0.8 Joules 11-pin plug-in octal socket 5 ounces 12Vdc input voltage .187” tab terminals 8-pin octal socket (SPDT output) MADE IN THE USA E-mail: sales@selcoproducts ...

  • Page 55

    ... Upon opening the external switch a delay on release is started (same delay time as on operate) and at the conclusion of the delay period the internal relay de-energizes and is ready for re-cycle. The above delay cycles may be aborted by removing input power. FAX (714) 917-1355 www.selcoproducts.com E-mail: sales@selcoproducts.com ...

  • Page 56

    ... VAC operation; 50/60Hz Remote input with interlock capability Minutes & seconds or hours & minutes Selco/ECC’s CDT Series (part number: 8322-2398-2000) has been designed to be panel mounted through a 72mm-square DIN cutout. All connections are via the back of the unit by way of 1/4” male quick connect terminals. ...

  • Page 57

    ... FLA (Full load amps): The amount of current a motor will pull in a locked condition Life cycles: The endurance rating of a device expressed in number of operations with stated electrical load applied LRA (Locked rotor amps): The amount of current a motor will pull in a locked condition Manual reset: The thermostat will remain open until it resets manually - also known as a high limit Open on-rise: Normally closed contacts ...

  • Page 58

    ... Returns should include P.O. number, invoice number and explanation for return. All returns must be freight prepaid unless authorized by Selco. All authorized returns are subject to a restocking charge. Credit will be issued only after receipt and examination of returned merchandise. Replacement merchan- dise will be sent out and invoiced as a new order ...