EATON NZMH2-A20 3-Pole 20A Thermal-Magnetic Circuit Breaker for System and Cable Protection

In industrial control panels and power distribution boards, the EATON NZMH2-A20 circuit breaker provides reliable protection for three-phase circuits. This 3-pole device is rated for 20 A and is specifically designed for system and cable protection, ensuring safe operation in demanding environments.

Key specifications

• Number of poles: 3
• Rated current: 20 A
• Rated operational voltage: 690 V AC
• Rated insulation voltage: 690 V
• Rated impulse withstand voltage: 6 kV
• Breaking capacity at 400/415 V AC: 36 kA
• Release type: thermal-magnetic, fixed
• Overload release setting: fixed at 20 A
• Short-circuit release setting: fixed at 200 A (10 x In)
• Mounting: fixed installation
• Connection: screw terminals
• Degree of protection: IP20 (front)
• Standards: IEC/EN 60947
• Series: NZM2

Why choose it

The NZMH2-A20 offers robust protection with a high breaking capacity of 36 kA, making it suitable for installations where short-circuit currents can be significant. Its thermal-magnetic trip unit provides both overload and short-circuit protection, ensuring long-term reliability and safety for connected equipment.

Ideal use cases

• Protection of three-phase motors and feeders in industrial settings
• Main distribution boards in commercial buildings
• Machinery and equipment requiring system and cable protection

Good to know

The breaker is designed for fixed installation and features screw terminals for secure wiring. It complies with international standards IEC/EN 60947, ensuring compatibility and safety in global applications. The front face has an IP20 protection degree, suitable for use in enclosed panels.