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BUSSMANN TPN-40 Fast-Acting Cylindrical Fuse - Fast-Acting Cylindrical Fuses
BUSSMANNFast-Acting Cylindrical Fuses

BUSSMANN TPN-40 Fast-Acting Cylindrical Fuse

The BUSSMANN TPN Series Telecom Protection Fuse is a fast-acting cylindrical fuse designed for telecom applications. This model, MPN TPN-40, is rated for 40 A at 170 V DC. It provides overcurrent protection in a…

SKU 3G-OTH-28298

Also listed as: TPN40 · TPN 40

Brand
BUSSMANN
Item
TPN-40 Fast-Acting Cylindrical Fuse
Part Number
TPN-40
Category
Fast-Acting Cylindrical Fuses
Available to Order
Also known as:TPN-40BUSSMANN
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

BUSSMANN
Manufacturer Part Number
TPN-40
Series
TPN
Type
Fast-Acting, Cylindrical, 40 A
DC
170 V

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BUSSMANN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BUSSMANN TPN Series Telecom Protection Fuse is a fast-acting cylindrical fuse designed for telecom applications. This model, MPN TPN-40, is rated for 40 A at 170 V DC. It provides overcurrent protection in a compact cylindrical form factor.

Frequently Asked Questions

What is the BUSSMANN TPN-40 fuse used for?

The BUSSMANN TPN-40 is a fast-acting cylindrical fuse designed for telecom overcurrent protection. It is used in DC power distribution, rectifiers, and battery backup systems within telecommunications infrastructure to safeguard sensitive equipment from short circuits and overloads.

What are the specifications of the BUSSMANN TPN-40 fuse?

The BUSSMANN TPN-40 is rated for 40 A at 170 V DC. It is a fast-acting, cylindrical fuse from the TPN Series, with MPN TPN-40. Its compact form factor suits telecom power panels and DC distribution boards where space is limited.

Where to buy the BUSSMANN TPN-40 fuse worldwide?

3G Electric supplies the BUSSMANN TPN-40 fuse worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this fuse to telecom operators and integrators globally.

How to select the correct BUSSMANN TPN series fuse for telecom systems?

Select the BUSSMANN TPN fuse based on your system's DC voltage (170 V max) and continuous current rating (40 A for TPN-40). Ensure the fuse's fast-acting characteristic matches the inrush profile of your telecom load. Always consult the equipment manual for recommended fuse sizing.

Used in

Common applications for BUSSMANN
Industrial drives — BUSSMANN FWC series fast-acting cylindrical fuses protect power semiconductors in AC/DC drive circuits.
Control transformers — BUSSMANN FNQ-R series time-delay fuses handle inrush currents in control power circuits.
Semiconductor protection — BUSSMANN KAC series bolt-on fuses safeguard diodes, thyristors, and IGBTs in AC-only applications.
Electrical panels — BUSSMANN FP-2, FP-3, FP-4, and FP-6 fuse pullers enable safe fuse replacement in distribution panels.
Automotive electrical systems — BUSSMANN FP-A3 fuse puller removes and installs 1/4 in and 1/2 in automotive fuses.
Power supplies — BUSSMANN FWC series fuses provide overcurrent protection in AC/DC power supply circuits.
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BUSSMANN Products

3G Electric supplies BUSSMANN fast-acting cylindrical fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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