Description
G7Z
Compact 160 Amp Power Relay
G7Z series provides a compact, cost efficient solution for applications such as inverters, UPS, solar and fuel-cell battery circuits. Relay in combination with auxiliary contact block meets EN 60947-4-1. Coil ratings are available in 12 and 24 VDC. Power consumption is less than 4 watts.
- Switching current 160 A (40 A rating / 4-pole / IEC-AC1)
- Switching voltage 440 VAC
- Safety function with mirror contacts in various configurations
- Power consumption less than 4 Watts
- Low Switching Noise (70 dB)
Specifications & ordering info
Ordering information
Relay with Auxiliary Contact Block (for Screw Terminals)
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Contact configuration
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Rated voltage
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Order code
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Relay
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Auxiliary contact block
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4PST-NO
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DPST-NO
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12, 24 VDC
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G7Z-4A-20Z
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SPST-NO/SPST-NC
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G7Z-4A-11Z
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DPST-NC
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G7Z-4A-02Z
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3PST-NO/SPST-NC
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DPST-NO
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G7Z-3A1B-20Z
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SPST-NO/SPST-NC
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G7Z-3A1B-11Z
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DPST-NC
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G7Z-3A1B-02Z
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DPST-NO/DPST-NC
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DPST-NO
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G7Z-2A2B-20Z
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SPST-NO/SPST-NC
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G7Z-2A2B-11Z
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DPST-NC
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G7Z-2A2B-02Z
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Specifications
Coil ratings
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Rated voltage
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Rated current
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Coil resistance
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Must operate voltage
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Must release voltage
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Max. voltage
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Power consumption (approx.)
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% of rated voltage
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12 VDC
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333 mA
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39 Ω
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75% max.
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10% min.
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110%
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Approx. 3.7 W
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24 VDC
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154 mA
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156 Ω
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Note • Rated current and coil resistance were measured at a coil temperature of 23°C with coil resistance of ±15%.
- Operating characteristics were measured at a coil temperature of 23°C.
- The maximum allowable voltage is the maximum value of the fluctuation range for the Relay coil operating power supply and was measured at an ambient temperature of 23°C.
Contact Ratings – Relay
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Item
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G7Z-4A-_Z, G7Z-3A1B-_Z, G7Z-2A2B-_Z
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Resistive load
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Inductive load cos phi = 0.3
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Resistive load L/R = 1 ms
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Contact structure
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Double break
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Contact material
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Ag alloy
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Rated load
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NO
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40 A at 440 VAC
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22 A at 440 VAC
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5 A at 110 VDC
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NC
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25 A at 440 VAC
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10 A at 440 VAC
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5 A at 110 VDC
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Rated carry current
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NO
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40 A
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22 A
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5 A
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NC
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25 A
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10 A
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5 A
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Maximum contact voltage
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480 VAC
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125 VDC
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Maximum contact current
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NO
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40 A
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NC
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25 A
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Maximum switching capacity
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NO
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17,600 VA
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9,680 VA
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550 W
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NC
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11,000 VA
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4,400 VA
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550 W
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Failure rate P value (reference value)
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2 A at 24 VDC
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Note: The ratings for the auxiliary contact block mounted on the G7Z are the same as those for the G73Z auxiliary contact block.
Contact Ratings – Auxiliary Contact Block
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Item
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G7Z-4A-_Z, G7Z-3A1B-_Z, G7Z-2A2B-_Z
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Resistive load
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Inductive load cos phi = 0.3
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Resistive load L/R = 1 ms
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Contact structure
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Double break
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Contact material
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Au clad + Ag
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Rated load
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1 A at 440 VAC
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0.5 A at 440 VAC
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5 A at 110 VDC
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Rated carry current
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1 A
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Maximum contact voltage
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480 VAC
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125 VDC
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Maximum contact current
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1 A
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Maximum switching capacity
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440 VA
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220 VA
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110 W
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Failure rate P value (reference value)
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1 mA at 5 VDC
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