Omron G7Z, Manual

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4
Power Relays
G7Z
Power Relays
G7Z
Multi-pole Power Relay for Contactor Current
Range Capable of Carrying and Switching
40 A at 440 VAC
• One pole, 40 A can be carried and switched.
• The maximum load capacity of 160 A when using 4-pole parallel
connections.
• All materials used are compliant with the RoHS Directive
• EN 60947-4-1 certification for mirror contact mechanisms has
been obtained by using a combination of the relay and auxiliary
contact blocks.
Note: Refer to the Precautions for Correct Use on page 9.
Model Number Structure
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Model Number Legend
Relay with Auxiliary Contact Block
1. Relay Contact Configuration
4A: 4PST-NO
3A1B: 3PST-NO/SPST-NC
2A2B: DPST-NO/DPST-NC
2. Contact Configuration of Auxiliary Contacts
20: DPST-NO
11: SPST-NO/SPST-NC
02: DPST-NC
3. Contact Mechanism of Auxiliary Contacts
Z: Bifurcated crossbar contact
Auxiliary Contact Block
1. Contact Configuration of Auxiliary Contacts
20: DPST-NO
11: SPST-NO/SPST-NC
02: DPST-NC
2. Contact Mechanism of Auxiliary Contacts
Z: Bifurcated crossbar contact
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Configuration
Note: 1. Relay contact terminals are M5, and the coil terminals are M3.5.
2. Auxiliary contact block terminals are M3.5.
1 2 3
G7Z-
@
-
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1 2
G73Z-
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Structure Contact configuration Screw terminals
Classification Relay Auxiliary Contact
Block
Relay with Auxiliary
Contact Block 4 poles +
2 poles 4PST-NO DPST-NO G7Z-4A-20Z
SPST-NO/SPST-NC G7Z-4A-11Z
DPST-NC G7Z-4A-02Z
3PST-NO/SPST-NC DPST-NO G7Z-3A1B-20Z
SPST-NO/SPST-NC G7Z-3A1B-11Z
DPST-NC G7Z-3A1B-02Z
DPST-NO/DPST-NC DPST-NO G7Z-2A2B-20Z
SPST-NO/SPST-NC G7Z-2A2B-11Z
DPST-NC G7Z-2A2B-02Z
Auxiliary Contact Block 2 poles --- DPST-NO G73Z-20Z
SPST-NO/SPST-NC G73Z-11Z
DPST-NC G73Z-02Z