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MERSEN FUSE BASE NH 3-PP IP20 F/RAIL. 1P BB31PPRFS
Mersen BB31PPRFS single-pole NH3 plastic fuse base rated at 630 A, 1250 V AC and 1000 V DC, with DIN rail mounting, screw connections and IP20 indirect touch protection.
£100.01
Why Choose the Mersen BB31PPRFS NH3 Fuse Base?
The Mersen BB31PPRFS is a robust single-pole NH3 plastic fuse base designed to provide secure mounting and dependable electrical connection for compatible NH fuse links. Rated at 630 A, it is suitable for demanding low voltage power distribution systems in industrial, commercial and infrastructure applications.
This fuse base supports operating voltages up to 1250 V AC and 1000 V DC, allowing it to be used across a wide range of AC and DC installations. Its screw connections provide reliable conductor termination, while DIN rail mounting helps simplify installation within suitable switchboards and electrical enclosures.
The BB31PPRFS incorporates IP20 indirect touch protection to help reduce the risk of accidental contact with live components. Stable silver-plated electrolytic copper contact springs and resilient captive steel springs help maintain consistent contact pressure under high thermal and electrical loads.
Key Advantages
- Designed for compatible NH3 fuse links.
- High 630 A rated current for demanding power distribution systems.
- Suitable for voltages up to 1250 V AC and 1000 V DC.
- IP20 indirect touch protection improves operational safety.
- DIN rail mounting supports straightforward panel installation.
- Silver-plated copper contacts provide reliable electrical conductivity.
Key Features
- Mersen NH Plastic Bases series.
- NH3 fuse size.
- Single-pole configuration.
- Screw conductor connections.
- DIN rail mounting system.
- Integrated indirect touch protection.
- IP20 protection rating.
- Suitable for both AC and DC applications.
Reliable High-Current NH Fuse Protection
NH fuse bases provide the mechanical support and electrical contacts required to install NH fuse links within low voltage power distribution equipment. When combined with a correctly selected NH3 fuse link, the BB31PPRFS helps protect cables, switchgear and connected equipment against overloads and short-circuit currents.
The Mersen BB31PPRFS is particularly suited to high-current installations where dependable contact pressure, robust construction and protection against accidental contact are essential. Its compact single-pole format also allows multiple units to be installed closely together in parallel rows.
Typical Applications
- Industrial switchboards and power distribution panels.
- Motor control centres.
- Renewable energy and DC power systems.
- Commercial and infrastructure electrical installations.
- Machinery and process control equipment.
- OEM switchgear and panel-building applications.
Technical Specifications
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| Phase | Single Phase | |
|---|---|---|
| IP Rating | IP20 | |
| Poles | 1-pole | |
| Device Type | Fuse base / holder | |
| Fuse Type | NH (DIN) | |
| Fuse Size | NH3 | |
| Current | 630 A | |
| Voltage | 1250 V | |
| Manufacturer | Mersen | |
| Series | NH Plastic Bases | |
| Model | BB31PPRFS | |
| Item number | T226728 | |
| EAN | 8430399017570 | |
| Product type | NH plastic fuse base | |
| Fuse size | NH3 | |
| Number of poles | 1 | |
| Rated current | 630 A | |
| Rated voltage AC | 1250 V | |
| Rated voltage DC | 1000 V | |
| AC or DC application | AC/DC | |
| Protection rating | IP20 | |
| Protection design | Indirect touch protection | |
| Connection type | Screw connection | |
| Mounting type | DIN rail | |
| Short-circuit current rating | 117 kA | |
| Power acceptance | 60 W | |
| Torque rating | 32 N·m | |
| Product height | 270 mm | |
| Product width | 60 mm | |
| Product length | 142.5 mm | |
| Product weight | 1.1 kg | |
| Compliance | RoHS compliant | |
| HS Code | 85361090 |
Frequently Asked Questions
What fuse size is compatible with the Mersen BB31PPRFS?
The BB31PPRFS is designed for compatible NH3 fuse links.
What is the rated current of the BB31PPRFS?
The fuse base has a rated current of 630 A.
Can the BB31PPRFS be used in both AC and DC systems?
Yes. It is rated for applications up to 1250 V AC and 1000 V DC.
Does this fuse base provide touch protection?
Yes. The BB31PPRFS incorporates IP20 indirect touch protection to help prevent accidental contact with live components.
How is the Mersen BB31PPRFS installed?
The unit is designed for DIN rail mounting and uses screw connections for secure conductor termination.
Trusted by Electrical Professionals Worldwide
Mersen NH fuse bases are trusted by panel builders, switchgear manufacturers and electrical engineers for secure fuse mounting, high-current performance and dependable circuit protection in demanding power distribution systems.
