SIEMENS 3NP4080-0CB00 Fuse Switch Disconnector

SIEMENS 3NP4080-0CB00 Fuse Switch Disconnector

Product Overview

The Siemens 3NP4080-0CB00 is a heavy-duty fuse switch disconnector designed for industrial low-voltage power distribution systems. It belongs to the SENTRON 3NP5 series and is used for safe switching, isolation, and protection of electrical circuits under load.

This device is engineered to work with NH00 fuse links and ensures reliable protection of equipment, motors, and distribution networks in demanding industrial environments.

Technical Specifications

• Manufacturer: Siemens
• Model: 3NP4080-0CB00
• Series: SENTRON 3NP5
• Type: Fuse switch disconnector
• Rated current: up to 160 A
• Rated voltage: up to 690 V AC
• Fuse size compatibility: NH00
• Number of poles: 3-pole (three-phase system)
• Mounting: Panel / switchgear installation
• Connection type: Clamp terminals
• Operation: Manual switching under load

Design & Function

The 3NP4080-0CB00 integrates switching and fuse protection in a single compact unit. It allows safe isolation of circuits for maintenance while providing short-circuit and overload protection via NH fuses.

• High mechanical durability for industrial use
• Safe visible disconnection of circuits
• Designed for switchgear cabinets and distribution boards
• Reliable contact system with low power loss
• Compatible with Siemens SENTRON modular systems

Applications

• Main and sub-distribution boards
• Industrial power distribution systems
• Motor protection circuits
• Transformer and feeder protection
• Automation and manufacturing plants

Safety & Standards

Complies with IEC standards for low-voltage fuse switch disconnectors, ensuring safe operation in industrial environments and compliance with electrical installation regulations.

Packaging

Supplied as a single industrial fuse switch disconnector unit for professional electrical installation.