Klockner-Moeller NZMH4-63-CNA Circuit Breaker 1 pcs

Klockner-Moeller NZMH4-63-CNA Circuit Breaker

We offer the high-quality Klockner-Moeller NZMH4-63-CNA molded case circuit breaker, designed for the comprehensive protection of industrial electric motors and electrical networks. This device combines the functions of a disconnect switch and an automatic circuit breaker, ensuring reliability and flexibility in use.

Key Features and Benefits:

• Reliable Motor Protection: Designed for use as a manual motor disconnect with built-in thermal overload protection.
• Adjustable Settings:
  • Thermal Trip: The adjustable range from 40 to 63 Amps allows for precise protection settings according to the motor's nominal current.
  • Magnetic Trip: An adjustable trip range from 400 to 800 Amps provides instantaneous protection against short circuits.
• International Standards: The device is certified according to UL (UL 508) and CSA (22.2 No. 14) standards. It also carries the CE mark and complies with European standards IEC/EN 60 947-2, allowing for its use internationally.
• High Breaking Capacity: Ensures a high level of safety for your equipment thanks to its significant breaking capacity at various voltages.
• Motor Rating: Suitable for controlling and protecting 3-phase motors up to 60 HP at 600V.
• Convenient Connection: Comes standard with terminals for cable connection.

Technical Specifications (as listed on the device):

• Model: NZMH 4-63-CNA
• Rated Current (In): 63 A
• Rated Impulse Withstand Voltage (Uimp): 8000 V
• Rated Operational Voltage (Ue): 500 V AC (50/60 Hz)
• Ultimate Breaking Capacity (Icu):
  • 230/240 V: 100 kA
  • 400/415 V: 100/80 kA
  • 500 V: 20 kA
• Service Breaking Capacity (Ics):
  • 230/240 V: 75 kA
  • 400/415 V: 50/40 kA
  • 500 V: 10 kA

The Klockner-Moeller NZMH4-63-CNA circuit breaker is the ideal solution for industrial applications where reliable and adaptive equipment protection is required.

Datasheet