M502-J2A

Manufacturer Part NumberM502-J2A
DescriptionElectromechanical Relay, Relay-Latching 3PDT, 25 Amp
ManufacturerLeach International
M502-J2A datasheet
 


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ENGINEERING DATA SHEET
APPLICATION NOTES:
001
007
APPLICABLE SOCKET:
S502
CONTACT ELECTRICAL CHARACTERISTICS
Minimum
Contact rating per
operating cycles
pole and load type
50,000 cycles
resistive load
10,000 cycles
inductive load (L/R=5ms)
50,000 cycles
motor load
50,000 cycles
lamp load
50 cycles
resistive overload
200,000 cycles
at 25% rated resistive load
LEACH
INTERNATIONAL
®
Solutions for Power Switching and Control
www.leachintl.com
Date of issue: 2/03
Polarized, latching hermetically sealed relay
Contact arrangement
Coil supply
Meets the requirements of
PRINCIPLE TECHNICAL CHARACTERISTICS
Contacts rated at
Weight
Dimensions max.
of case in mm
Balanced-force design
Hermetically sealed, corrosion protected metal can
Load Current in Amps
@28 Vdc
@115 Vac, 400 Hz
25
25
12
12
10
10
5
5
50
80
North America
Europe, SA
6900 Orangethorpe Ave.
2 Rue Goethe
P.O. Box 5032
57430 Sarralbe
Buena Park, CA 90622 USA
France
Tel: (01) 714-736-7599
Tel: (33) 3 87 97 98 97
Fax: (01) 714-670-1145
Fax: (33) 3 87 97 84 04
- 154 -
M502
RELAY - LATCH
3 PDT, 25 AMP
3 PDT
Direct current
MA 27742
28 Vdc; 115 Vac, 400 Hz
85 grams max
26 x 25.7 x 26
@115/200 Vac, 400 Hz
25
12
10
5
Asia-Pacific Ltd.
20/F Shing Hing Commercial Bldg.
21-27 Wing Kut Street
Central, Hong Kong
Tel: (852) 2 191 2886
Fax: (852) 2 389 5803
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M502-J2A Summary of contents

  • Page 1

    ... P.O. Box 5032 57430 Sarralbe Buena Park, CA 90622 USA France Tel: (01) 714-736-7599 Tel: (33 Fax: (01) 714-670-1145 Fax: (33 154 - M502 RELAY - LATCH 3 PDT, 25 AMP 3 PDT Direct current MA 27742 28 Vdc; 115 Vac, 400 Hz 85 grams max @115/200 Vac, 400 Hz ...

  • Page 2

    ... Vrms / 50 Hz 1000 Vrms / 50 Hz 350 Vrms / 50 Hz 100 M 30G / 75 to 3000 Hz 20G / 75 to 3000 Hz 200G / 6 ms 50G / µ max 15 ms max 1 ms max 150 mV max 175 mV max - 155 - M502 7.3 29 4 450 N/A -5 min. ...

  • Page 3

    ... MOUNTING STYLES Dimensions in mm Tolerances, unless otherwise specified, ±0.25mm TERMINAL TYPES Date of issue: 2/03 - 156 - M502 Page ...

  • Page 4

    ... For other mounting styles or terminal types, please contact the factory. [4]. Options - C: Circuit breaker compatibility hour sec; 100 A / 1.2 sec 250 A / 0.2 sec; 350 A /0.1 sec - D: low level: 10 µ TYPICAL CHARACTERISTICS Coil resistance/temperature change: See application note no. 001 Date of issue: 2/03 M502 157 - M502 ...

  • Page 5

    Application notes CORRECTION DUE TO COIL COPPER WIRE RESISTANCE Example: Coil resistance at 25°C: 935 ohms. What 125°C? Correction coefficient on diagram is: 1.39 at 125°C. R becomes: 935x1.39=1299 Ohms Correction also applies to operating voltages Date ...

  • Page 6

    Application notes The inductive nature of relay coils allows them to create magnetic forces which are converted to mechanical movements to operate contact systems. When voltage is applied to a coil, the resulting current generates a magnetic flux, creating mechanical ...

  • Page 7

    Types of suppressors: Passive devices. The resistor capacitor circuit It eliminates the power dissipation problem, as well as fast voltage rises. With a proper match between coil and resistor, approximate capacitance value can be calculated from 0.02xT/R, where ...

  • Page 8

    The bifilar coil The principle is to wind on the magnetic circuit of the main coil a second coil shorted on itself proper adaptation of the internal resistance of this second coil it is possible to find an ...

  • Page 9

    The diode + resistor network It eliminates the inconvenience of the resistor alone, explained above, and it limits the action of a single diode now preferred to used the diode + zener network. The diode + zener network ...

  • Page 10

    ... Solutions for Power Switching and Control www.leachintl.com Date of issue: 6/00 BASIC SOCKET SERIES DESIGNATION FOR: Series M500 (DC Coil), M501 (AC Coil), M502 (DC Coil), T531, CS500 M 22520/1-01 with turret M 22520/1- 3191-1. NAS 1664-12 / 1664-16 / 1664-20. 45g max. -70° +125° C. North America Europe, SA 6900 Orangethorpe Ave ...

  • Page 11

    TERMINAL LAYOUT MOUNTING HARDWARE Date of issue: 6/ S500, S501, S502 Page ...

  • Page 12

    WIRE INSULATION DIAMETER FOR SEAL TO GROMMET Code A CONTACT SIZE AND STYLE Crimp end to accomodate AWG 20-20-24 05 913 00 (for contact code 8 +10) Contact mating end #20 31 236 00 (for contact code ...

  • Page 13

    WIRE INSULATION DIAMETER FOR SEAL TO GROMMET Code A CONTACT SIZE AND STYLE Crimp end to accomodate AWG 20-20-24 05 913 00 (for contact code 8 +10) Contact mating end #20 31 236 00 (for contact code ...

  • Page 14

    SOCKET NUMBERING SYSTEM 1-Basic socket designation________________________| 2-Terminal Layout_____________________________________| 3-Mounting Hardware_______________________________________| 4-Grommet to seal on wire insulation__________________________| 5-Contact size and style___________________________________________| MS/LEACH CROSS PART NO. AND MATING RELAYS MS - Number MIL-S-12883/48A Date of issue: 6/00 LEACH P/N -01 S500-A8A11 -02 ...