NM8NDC-250S TM 250 4P DC Circuit Breaker - 50kA

NM8NDC-250S TM 250 4P DC Circuit Breaker — Robust Protection for Critical Power Systems

The NM8NDC-250S TM 250 4P is a four-pole molded case circuit breaker designed for direct current (DC) applications. This thermomagnetic breaker provides comprehensive protection for electrical circuits and equipment against overloads, undervoltage, and short circuits. Ideal for use in Automatic Transfer Switching (ATS), Main Distribution Boards (MDBs), and Switchgear Assemblies, it ensures reliable and safe operation of vital electrical systems with a high short-circuit capacity of 50kA.

Technical Specifications:

• Type: Molded Case Circuit Breaker (MCCB) for DC Applications

• Standard: IEC 60947-2 (assumed, based on typical MCCB standards)

• Base Material: High-strength plastic housing with internal components of silver-tin oxide alloy and copper

• Application: Indoor installation within electrical panels and switchboards

• Consumption: Not applicable – this is a protective device, not a consumable material.

• Drying Time: Not applicable – this is an electrical component.

• Durability: High mechanical and electrical endurance, resistant to vibration and shock; Thermomagnetic trip characteristics provide stable and reliable performance over its lifespan.

• Packaging: Individually packaged in a protective cardboard box with product labeling and specifications.

Advantages:

• Superior protection against overcurrents and short circuits.

• Reliable thermomagnetic trip characteristics for precise operation.

• High short-circuit capacity (50kA) ensures robust performance in demanding applications.

• Compact design for easy integration into existing electrical panels.

• Four-pole configuration provides comprehensive circuit protection.

• Suitable for DC systems, expanding application versatility.

Applications:

• Automatic Transfer Switching (ATS) systems for backup power.

• Main Distribution Boards (MDBs) in commercial and industrial buildings.

• DC Power Distribution in telecommunications infrastructure.

• Switchgear assemblies for motor control and protection.