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G7Z-4A-02Z-R Safety Light Curtain | F3SJ Series Industrial Safety Sensor

The G7Z-4A-02Z-R is a high-capacity power relay from Omron's G7Z series, designed for industrial applications requiring reliable switching of heavy loads. This model features 4 main contacts (4PST-NO) rated at 40 A and 2 auxiliary contacts (DPST-NC) for status feedback or control circuit integration .

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Specifications Parameter 12 VDC Model 24 VDC Model Coil voltage 12 VDC 24 VDC Coil current 308 mA 154 mA Coil resistance 39 Ω 156 Ω Coil power consumption Approx. 3.7 W Approx. 3.7 W Must operate voltage 75% max. (9 VDC) 75% max. (18 VDC) Must release voltage 10% min. (1.2 VDC) 10% min. (2.4 VDC) Maximum applied voltage 110% of rated voltage 110% of rated voltage Source: Contact Ratings Parameter Main Contacts (4PST-NO) Auxiliary Contacts (DPST-NC) Contact form 4PST-NO DPST-NC Contact material Ag alloy Au clad + AgNi Rated load (resistive AC) 40 A at 440 VAC 1 A at 440 VAC Rated load (inductive AC, cosφ=0.3) 22 A at 440 VAC 0.5 A at 440 VAC Rated load (resistive DC, L/R=1ms) 5 A at 110 VDC 0.5 A at 110 VDC Max. switching voltage 480 VAC / 125 VDC 480 VAC / 125 VDC Max. switching power AC (resistive) 17,600 VA 440 VA Max. switching power AC (inductive) 9,680 VA 220 VA Max. switching power DC 550 W 55 W Contact resistance 400 mΩ max. (5 VDC, 1 A) 100 mΩ max. (5 VDC, 100 mA)