HAGER HZC311 Auxiliary Contact 20-125A, 3NO+1NC, for TeSys GV2/GV3

The HZC311 from Hager is an auxiliary contact block engineered for integration with Schneider Electric TeSys GV2 and GV3 motor circuit breakers. Its 3NO+1NC contact configuration provides multiple signaling options, making it suitable for control circuits that require both normally open and normally closed contacts. Unlike basic auxiliary contacts, this unit offers a combination of four contacts in a compact front-mount design, enabling versatile status feedback in industrial motor control applications.

Highlights

• Contact configuration: 3 normally open (NO) + 1 normally closed (NC)
• Front mounting on TeSys GV2 and GV3 motor circuit breakers
• Rated operational current: 3 A at 240 V AC-15, 1.5 A at 400 V AC-15
• Rated insulation voltage: 690 V (IEC), 600 V (UL/CSA)
• Mechanical durability: 10,000,000 cycles

In daily use

When installed on a TeSys GV2 or GV3 breaker, the HZC311 provides reliable auxiliary signaling for motor control circuits. The screw clamp terminals accept conductors with a stripping length of 8 mm and a tightening torque of 1.4 N·m. The contact block operates within a temperature range of -20 to 60 °C, ensuring consistent performance in industrial environments. Its front-facing design allows for easy access and wiring after installation.

Full specifications

• Rated operational current (DC-13, 125 V): 0.22 A
• Rated operational current (DC-13, 250 V): 0.1 A
• Rated impulse withstand voltage (Uimp): 6 kV
• Electrical durability: 100,000 cycles
• Storage temperature: -40 to 80 °C
• IP rating: IP20 (terminals), IP40 (front face)
• Standards: IEC 60947-5-1, UL 508, CSA C22.2 No 14

Final note

A robust auxiliary contact solution for motor protection applications, the HZC311 combines multiple contact configurations with dependable mechanical endurance.