MERSEN FUSE BASE NH 1-PP F/TORN. 2P BASE NH 1-PP F/TORN.2P

Q: What fuse size does the BB12PP accept?

It is designed specifically for NH Size 1 fuse links.

Q: What is the maximum current rating?

The BB12PP is rated for applications up to 250 A.

Q: How is the BB12PP installed?

This version is designed for screw mounting and uses screw conductor connections for secure installation.

Q: Can the BB12PP be used in AC and DC systems?

Yes. It is suitable for installations operating at up to 1250 V AC and 1000 V DC.

Mersen BB12PP NH Size 1 two-pole plastic fuse base rated at 250 A, 1250 V AC and 1000 V DC for industrial power distribution applications.

SKU: BB12PPAlt SKU: BB12PPMPN: F222484

List Price £102.65 ex VAT

Your Price (ex VAT)

£102.65

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Manufacturer Lead Time

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Why Choose the Mersen BB12PP NH Fuse Base?

The Mersen BB12PP is a high-quality two-pole NH Size 1 plastic fuse base engineered for secure installation of NH fuse links in industrial low-voltage power distribution systems. Identified by Mersen item number F222484, this PP-type fuse base is designed to deliver dependable electrical performance, robust mechanical strength and long service life in demanding industrial applications.

Manufactured using silver-plated electrolytic copper contact springs with resilient captive steel spring technology, the BB12PP maintains excellent contact pressure even under high thermal loading. This construction minimises electrical resistance and supports reliable operation throughout the service life of the installation.

Rated for 250 A, 1250 V AC and 1000 V DC, the BB12PP accommodates NH Size 1 fuse links and features a secure screw-mounted installation with screw conductor connections. Its compact two-pole configuration is ideal for industrial switchboards, machinery and power distribution panels.

Key Advantages

Designed for NH Size 1 fuse links.
Two-pole configuration for industrial power circuits.
250 A current rating for demanding electrical applications.
Suitable for systems up to 1250 V AC and 1000 V DC.
Silver-plated copper contacts provide excellent electrical conductivity.
Heavy-duty construction ensures dependable long-term performance.

Key Features

Mersen NH Plastic Bases series.
Manufacturer item number: F222484.
Catalogue number: BB12PP.
NH Size 1 fuse compatibility.
Two-pole construction.
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 in industrial power distribution systems. Their robust construction helps ensure reliable overcurrent protection while simplifying maintenance and fuse replacement.

The Mersen BB12PP combines durable plastic construction with silver-plated copper contact springs and resilient captive steel springing to provide consistent electrical performance under demanding operating conditions. It is suitable for use in industrial control panels, distribution boards and OEM machinery where dependable circuit protection is essential.

Typical Applications

Industrial switchboards.
Power distribution panels.
Motor control centres.
OEM machinery.
Electrical control cabinets.
Industrial infrastructure and utility installations.

Technical Specifications

Manufacturer	Mersen
Series	NH Plastic Bases
Model	BB12PP
Item number	F222484
Product type	NH plastic fuse base
Design type	PP
Fuse size	NH Size 1
Number of poles	2
Rated current	250 A
Rated AC voltage	1250 V AC
Rated DC voltage	1000 V DC
Connection type	Screw connection
Mounting type	Screw mounting
Short-circuit current rating	117 kA
Power acceptance	32 W
Product weight	Approx. 0.95 kg
EAN	8430399002552
RoHS compliant	Yes
HS Code	85361090
Poles	2-pole
Device Type	Fuse base / holder
Fuse Type	NH (DIN)
Fuse Size	NH1
Current	250 A

Frequently Asked Questions

What is the Mersen BB12PP used for?

The BB12PP is a two-pole NH Size 1 fuse base used to mount NH fuse links within industrial power distribution and electrical protection systems.

What fuse size does the BB12PP accept?

It is designed specifically for NH Size 1 fuse links.

What is the maximum current rating?

The BB12PP is rated for applications up to 250 A.

How is the BB12PP installed?

This version is designed for screw mounting and uses screw conductor connections for secure installation.

Can the BB12PP be used in AC and DC systems?

Yes. It is suitable for installations operating at up to 1250 V AC and 1000 V DC.

Trusted by Electrical Professionals Worldwide

Mersen NH fuse bases are trusted by panel builders, OEM manufacturers and industrial engineers worldwide for delivering reliable overcurrent protection, robust construction and dependable long-term performance.

UK delivery

Delivery options

Free UK delivery on orders over £200 ex VAT. Order in-stock items before 2pm Monday to Friday for next-day delivery.

This product Lead time on request

Please contact us for a delivery time before you order

Standard delivery

£8 ex VAT · free over £200

UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.

Heavier items may be charged at a weight-based or pallet rate, shown at checkout.

Collect from our showroom

Mon–Fri, 8am–5pm

Order and pay online, then collect from our showroom.

Please allow 15–30 minutes after ordering for us to prepare your order.

Northern Ireland, ROI & export

Priced at checkout

We deliver to Northern Ireland, the Republic of Ireland and overseas.

Delivery is calculated at checkout based on your destination.

Orders with mixed availability

Shipped complete

If part of your order is on a lead time, we hold it and send everything together.

Need the in-stock items sooner? Ask us and we can split the delivery.

Business customer returns

Returns & order support

Need to return an item? Find the guidance for your order below, then contact our team before sending anything back.

Stocked items

Request within 30 days

Changed your mind or ordered the wrong item? Request a return within 30 days of receipt. There is no restocking charge.

Items must be unused, in resalable condition and in their original packaging, and returns need our approval first. Return carriage is at your cost, and the original delivery charge is not refunded.

Faulty or damaged items

Tell us as soon as possible

Faulty, damaged on delivery or the wrong product supplied? Contact our team as soon as possible with the details.

We will review the issue and arrange an appropriate resolution under our terms and conditions and your statutory rights.

Made-to-order items

Manufacturer approval needed

Manufactured, configured and special-order products can only be returned with the manufacturer’s approval. Any handling charge is agreed with you when you request the return.

This does not affect claims for faulty goods or items that do not meet the agreed specification.

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Let’s get your return sorted.

Send your order number, product details and reason for return. For faults or delivery damage, include photographs if available. We will confirm the next steps.

Email returns team 01706 242050

The 30-day return request period applies to change-of-mind returns for stocked items. It does not limit your statutory rights for faulty or non-conforming goods.

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