Why Choose the Mersen BB03EPRFS NH0 Fuse Base?
The Mersen BB03EPRFS is a robust three-pole NH0 fuse base designed to provide secure mounting and reliable electrical connection for NH fuse-links in industrial AC and DC distribution systems. Also identified by Mersen item number J226719, it combines a high 160 A current rating with protection for systems operating at up to 1000 V AC or 1000 V DC.
This model features IP20 indirect touch protection, helping reduce the risk of accidental contact with live components when correctly installed. Its three-pole configuration is suitable for three-phase electrical systems, while the integrated DIN rail mounting arrangement supports straightforward installation within switchboards, control panels and power-distribution enclosures.
The BB03EPRFS uses stable silver-plated electrolytic copper contact springs supported by resilient captive steel springs. This construction maintains dependable contact pressure under high thermal loading, making the fuse base suitable for demanding industrial installations where reliable overcurrent and short-circuit protection is essential.
Key Advantages
- Three-pole NH0 fuse base for industrial circuit protection.
- 160 A rated current for high-load distribution circuits.
- Rated for operation at up to 1000 V AC and 1000 V DC.
- IP20 indirect touch protection improves installation safety.
- DIN rail mounting supports efficient panel installation.
- Silver-plated copper contacts provide reliable conductivity.
- Captive steel springs maintain stable contact pressure under thermal stress.
Key Features
- Mersen NH Plastic Bases series.
- NH size 0 fuse-link compatibility.
- Three-pole configuration.
- 160 A ampere rating.
- 1000 V AC IEC rated voltage.
- 1000 V DC IEC rated voltage.
- IP20 indirect touch protection.
- DIN rail installation.
- Screw conductor connections.
- Short-circuit current rating of up to 117 kA.
- Supplied with phase-partition walls for pole separation.
- RoHS-compliant construction.
Reliable Three-Phase NH Fuse Protection
NH fuse systems protect electrical circuits against overloads and high short-circuit currents by securely holding replaceable fuse-links. The Mersen BB03EPRFS provides three coordinated fuse positions for use in three-phase electrical systems, helping panel builders create compact and dependable protection assemblies.
The indirect touch-protection design shields accessible live components when the assembly is installed correctly. Its durable contact system maintains consistent electrical pressure during temperature changes and high-current operation, supporting reliable performance in switchgear, distribution boards and industrial machinery.
Typical Applications
- Industrial three-phase distribution boards.
- Low-voltage switchgear assemblies.
- Motor control centres.
- Machinery and automation control panels.
- AC and DC power-distribution systems.
- Renewable-energy and battery installations.
- Feeder and branch-circuit protection.
- OEM electrical-panel construction.
