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MERSEN FUSE BASE NH 2-PP F/RAIL. 1P BB21PPR
Mersen BB21PPR single-pole NH Size 2 DIN rail fuse base rated at 400 A, 1250 V AC and 1000 V DC for industrial power distribution systems.
£34.60
Why Choose the Mersen BB21PPR NH Fuse Base?
The Mersen BB21PPR is a high-performance single-pole NH Size 2 fuse base designed to provide safe, reliable installation of NH fuse links in industrial low-voltage power distribution systems. As part of the proven Mersen NH Plastic Bases range, it offers exceptional electrical performance, robust construction and straightforward DIN rail installation for modern electrical panels and switchboards.
Engineered for demanding industrial environments, the BB21PPR features silver-plated electrolytic copper contact springs with captive steel spring technology to maintain consistent contact pressure throughout its service life. The design delivers excellent conductivity while resisting thermal stress and ensuring dependable operation under high current loads.
Suitable for NH Size 2 fuse links, the BB21PPR is rated for 400 A, 1250 V AC and 1000 V DC. Its compact DIN rail mounted design makes it an ideal solution for OEM machinery, motor control centres, switchboards and industrial power distribution equipment.
Key Advantages
- Designed for NH Size 2 fuse links.
- DIN rail mounting simplifies installation.
- Rated up to 400 A for industrial applications.
- Suitable for systems up to 1250 V AC and 1000 V DC.
- Silver-plated copper contacts provide excellent electrical conductivity.
- Robust construction ensures long-term reliability in demanding environments.
Key Features
- Mersen NH Plastic Bases series.
- Catalogue number: BB21PPR.
- Item number: E211075.
- NH Size 2 fuse compatibility.
- Single-pole configuration.
- Screw terminal electrical connections.
- DIN rail installation.
- Compatible with AC and DC industrial power systems.
Reliable Protection for Industrial Power Distribution
NH fuse bases provide the secure mounting platform required for NH fuse links used throughout industrial electrical distribution systems. Stable contact pressure, low electrical resistance and durable construction help ensure reliable overcurrent protection while simplifying maintenance and fuse replacement.
The Mersen BB21PPR is designed for modern industrial installations where dependable electrical performance, straightforward installation and long service life are essential. Its DIN rail mounting configuration allows rapid integration into new and existing electrical assemblies.
Typical Applications
- Industrial switchboards.
- Power distribution panels.
- Motor control centres.
- OEM machinery.
- Electrical control cabinets.
- Industrial automation and infrastructure installations.
Technical Specifications
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| Phase | Single Phase | |
|---|---|---|
| Poles | 1-pole | |
| Device Type | Fuse base / holder | |
| Fuse Type | NH (DIN) | |
| Fuse Size | NH2 | |
| Current | 400 A | |
| Manufacturer | Mersen | |
| Series | NH Plastic Bases | |
| Model | BB21PPR | |
| Item number | E211075 | |
| Product type | NH fuse base | |
| Fuse size | NH Size 2 | |
| Number of poles | 1 | |
| Rated current | 400 A | |
| Rated AC voltage | 1250 V AC | |
| Rated DC voltage | 1000 V DC | |
| Connection type | Screw terminals | |
| Mounting type | DIN rail | |
| Short-circuit current rating | 117 kA | |
| Approximate weight | 0.53 kg | |
| EAN | 8430399002958 | |
| RoHS compliant | Yes | |
| HS Code | 85361090 |
Frequently Asked Questions
What is the Mersen BB21PPR used for?
The BB21PPR is an NH Size 2 fuse base used to securely mount NH fuse links in industrial power distribution systems.
What fuse size does the BB21PPR accept?
It is designed specifically for NH Size 2 fuse links.
What is the maximum current rating?
The fuse base supports applications rated up to 400 A.
How is the BB21PPR installed?
The BB21PPR is designed for DIN rail mounting using screw terminal electrical connections.
Is the BB21PPR suitable for AC and DC systems?
Yes. It is suitable for installations operating up to 1250 V AC and 1000 V DC.
Trusted by Electrical Professionals Worldwide
Mersen NH fuse bases are trusted by electrical engineers, panel builders and OEM manufacturers worldwide for dependable overcurrent protection, high-quality construction and long-term reliability in industrial power distribution systems.
