SET-3A Omron, SET-3A Datasheet

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SET-3A

Manufacturer Part Number
SET-3A
Description
CONVERTER CURRENT 1-80A FOR SAO
Manufacturer
Omron
Series
SAOr
Datasheets

Specifications of SET-3A

Accessory Type
Current Converter
For Use With/related Products
SAO Series
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
SET3A
Solid-state, Plug-in Current Sensor
• Applicable to motor overcurrent protection and 3-phase AC cur-
• Inverse-type, start-up lock type, and instantaneous type over-
• Instantaneous type under current sensor available.
• Plug-in design simplifies installation, removal, and wiring.
• DIN sized (48 mm x 96 mm)
Model Number Structure
■ Model Number Legend
1. Basic model name
2. Operating time characteristics
3. Detection function
Ordering Information
* Fixed time-limit at start-up, instantaneous thereafter.
■ Accessories (Order Separately)
Current Converters
SAO-@@@@
Plug-in/DIN
rail via socket
SET-3A
SET-3B
rent detection.
current sensors available.
Current Sensor
SAO
mounting
1
Terminal/
SAO: Current Sensor
R:
Q:
S:
U:
None: Overcurrent detection
Model
The SAO cannot be used in circuits with
waveform distortion, inverter circuits, or
with capacitor loads.
2 3 4 5
Inverse type: inverse time both at starting and during oper-
ation
Instantaneous type with start-up lock
Regular instantaneous type
Undercurrent detection
100/110/120 VAC
200/220/240 VAC
24 VDC
48 VDC
100/110 VDC
Control voltage
1 to 80 A
64 to 160 A
Current range
SAO-R1N
SAO-R2N
SAO-R5N
SAO-R6N
SAO-R7N
Inverse type
SAO-Q1N
SAO-Q2N
SAO-Q5N
SAO-Q6N
SAO-Q7N
Overcurrent detection
W/start-up lock*
4. Control voltage
5. Product history
8PFA1
DIN rail socket
1:
2:
5:
6:
7:
N:
Instantaneous type
100/110/120 VAC
200/220/240 VAC
24 VDC
48 VDC
100/110 VDC
New version
SAO-S1N
SAO-S2N
SAO-S5N
SAO-S6N
SAO-S7N
W/o start-up lock
SAO-SU1N
SAO-SU2N
SAO-SU5N
SAO-SU6N
SAO-SU7N
Instantaneous type
CSM_SAO_DS_E_2_1
Under current
detection
1

SET-3A Summary of contents

Page 1

... VAC SAO-R2N 24 VDC SAO-R5N 48 VDC SAO-R6N 100/110 VDC SAO-R7N * Fixed time-limit at start-up, instantaneous thereafter. ■ Accessories (Order Separately) Current Converters Model Current range SET- SET- 160 A 4. Control voltage 1: 100/110/120 VAC 2: 200/220/240 VAC 5: 24 VDC 6: 48 VDC 7: 100/110 VDC 5 ...

Page 2

... Specifications ■ Ratings Motor circuit Voltage:500 VAC max. 3-phase (primary voltage at SET Current Converter) Current 160 A 3-phase (primary current at SET Current Converter) Power supply circuit Voltage: 100/110/120 VAC, 200/220/240 VAC, 24, 48 VDC, or 100/110 VDC (leveled DC) Voltage fluctuation: Frequency: 50/60 Hz ±5% Current SV range See table of Current Converter ...

Page 3

... Malfunction: 98 m/s Destruction: 294 m/s Test button operation Operated quickly (without lighting the LED) Ambient temperature Operating: Storage: Ambient humidity Operating: 35% to 85% Altitude 2,000 m max. Weight Approx. 170 g Engineering Data ■ Operating Time Characteristics SAO-R Time Changeover Setting Time scale value ...

Page 4

... The contact is NC (between terminals 4 and 5) when the motor is not started. 2. The contact is NO (between terminals 5 and 6) when the startup pushbutton is pressed and a current larger than the reset current flows. 3. The contact is NC (between terminals 4 and 5) when the motor current is less than the operating value (i ...

Page 5

... R S Alarm buzzer Electro- magnetic contactor Phase advancing capacitor SET-3 Current Converter M Motor Note: To prevent the buzzer sounding when power is turned ON, in- stall a timer so that the buzzer sounds only when the timer’s contacts are closed. SAO T Stop Alarm BZ buzzer Start 6 ...

Page 6

... Determine the current scale multiplying factor corresponding to the current SV range obtained from Table 1 and paste the current scale multiplying decal to the current sensor. For example, when the current setting range the decal no. is 0.5. Setting Operating Current Set the current setting knob to the required current value ...

Page 7

... SET-3A CURRENT CONVERTER No. DATE OMRON Corporation 2. Setting the Tap Use a screwdriver to screw the included setting screw into the required tap hole. After the setting has been made, be sure to mount × 1 × ...

Page 8

... SET-3A CURRENT 144 160 CONVERTER No. DATE OMRON Corporation 2. Setting the Tap Use a screwdriver to screw the included setting screw into the required tap hole. After the setting has been made, be sure to mount the cover as it was before. The SET-3B does not have tap settings. ...

Page 9

... Checking Operation The following circuit can be used to check SAO-@ and SET-3@ characteristics. 200 VAC, 3-phase, 50/ 100 V C ± X SET-3 Current Converter Control voltage Pushbutton switch 100 VAC X SAO 6 Current 7 Sensor 3φSD: Three-phase voltage regulator A: AC ammeter CC: Cycle counter X: Auxiliary relay (15 A) ...

Page 10

... Dimensions Note: All units are in millimeters unless otherwise indicated. SAO-R/SAO SAO-S/SAO- Current Converter SET-3A, SET-3B 26 112 78.5 9.5 44 100 78.5 9.5 100 Two, M3.5 Three, 20-dia. terminal screws through holes 33.5 33 SAO The Height of DIN Rail Mounting SAO 111 ...

Page 11

... Use a commercial frequency power supply only for the control power supply. The SET-3@ Current Converter is designed for use with a single SAO Current Sensor; do not connect two units to a single SET- figure 1 below (even if a diode is included in the circuit). If the current transformer has sufficient capacity, the circuit in figure 2 is acceptable ...

Page 12

... The following describes the single-phase operating procedure for the SAO. Models for single-phase circuits, however, are also available. Refer to SAO- Connection Procedure Run the primary wires through any two of the three holes on the SET- 3 the number of times specified for the SET-3@. SAO SET-3@ ...

Page 13

... Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you have any questions or comments. WARRANTY OMRON's exclusive warranty is that the products are free from defects in materials and workmanship for a period of one year (or other period if specified) from date of sale by OMRON. OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, REGARDING NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR PARTICULAR PURPOSE OF THE PRODUCTS ...