Why Choose the Mersen BB21PP NH Fuse Base?
The Mersen BB21PP is a robust single-pole NH Size 2 plastic fuse base designed to provide secure mounting and dependable electrical contact for NH fuse links in industrial low-voltage power distribution systems. Also identified by Mersen item number F201853, it is suitable for switchboards, control panels and machinery requiring reliable high-current circuit protection.
The BB21PP features stable silver-plated contact springs manufactured from a single piece of electrolytic copper. Highly resilient captive steel springs maintain consistent contact pressure under demanding thermal conditions, helping minimise electrical resistance and support dependable long-term operation.
Rated at 400 A, 1250 V AC and 1000 V DC, the BB21PP is suitable for both AC and DC power systems. Its single-pole PP-type construction, screw mounting and screw conductor connections provide a secure installation within industrial distribution equipment and OEM electrical assemblies.
Key Advantages
- Designed for NH Size 2 fuse links.
- Rated current of 400 A for high-current industrial circuits.
- Suitable for systems up to 1250 V AC and 1000 V DC.
- Silver-plated electrolytic copper contacts provide dependable conductivity.
- Resilient captive steel springs maintain stable contact pressure.
- Closely mountable for space-efficient multipole arrangements.
Key Features
- Mersen NH Plastic Bases series.
- Manufacturer item number: F201853.
- Catalogue number: BB21PP.
- NH fuse size: NH2.
- Single-pole configuration.
- PP-type plastic fuse base.
- Screw conductor connections.
- Screw-mounted installation.
Reliable Fuse Mounting for Industrial Power Distribution
NH fuse bases provide the secure mechanical support and low-resistance electrical contacts required for NH fuse links. Their robust construction enables reliable circuit protection in high-current installations while allowing fuse links to be replaced during maintenance or following an overcurrent condition.
The Mersen BB21PP combines durable plastic construction with silver-plated copper contact springs and resilient captive steel springing. This design helps maintain dependable electrical contact during temperature changes and prolonged operation in demanding industrial power distribution environments.
Typical Applications
- Industrial switchboards and distribution panels.
- Motor control centres.
- Electrical control cabinets.
- OEM machinery and production equipment.
- Commercial and industrial power systems.
- Infrastructure and utility installations.
