Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

BUSSMANN TPN-70 Fast-Acting Blade Fuse, 70 A, 170 V DC - Fast-Acting Blade Fuses
BUSSMANNFast-Acting Blade Fuses

BUSSMANN TPN-70 Fast-Acting Blade Fuse, 70 A, 170 V DC

The BUSSMANN TPN Series Telecom Protection Fuse is a fast-acting blade fuse designed for DC applications. This model, the TPN-70, is rated for 70 A at 170 V DC and measures 1 in x 5 7/8 in. It provides overcurrent…

SKU 3G-OTH-28260

Also listed as: TPN70 · TPN 70

Brand
BUSSMANN
Item
TPN-70 Fast-Acting Blade Fuse, 70 A, 170 V DC
Category
Fast-Acting Blade Fuses
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

BUSSMANN
Manufacturer Part Number
TPN-70
Series
TPN
Type
Fast-Acting, Blade, 70 A, 1 in x 5 7/8 in
DC
170 V

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The BUSSMANN TPN Series Telecom Protection Fuse is a fast-acting blade fuse designed for DC applications. This model, the TPN-70, is rated for 70 A at 170 V DC and measures 1 in x 5 7/8 in. It provides overcurrent protection for telecom equipment.

Frequently Asked Questions

What is the BUSSMANN TPN-70 fuse used for?

The BUSSMANN TPN-70 is a fast-acting blade fuse used for overcurrent protection in DC telecom equipment. It safeguards power distribution systems, rectifiers, and battery backup circuits in telecommunications infrastructure, data centers, and industrial DC networks.

What are the specifications of the BUSSMANN TPN-70 fuse?

The BUSSMANN TPN-70 is rated for 70 A at 170 V DC. It is a fast-acting blade fuse from the TPN Series, measuring 1 in x 5 7/8 in. The manufacturer part number is TPN-70. It is designed specifically for telecom protection applications.

Where to buy the BUSSMANN TPN-70 fuse worldwide?

3G Electric supplies the BUSSMANN TPN-70 fuse worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this telecom protection fuse.

How to select the correct BUSSMANN TPN fuse for telecom equipment?

Select the BUSSMANN TPN fuse based on your DC system voltage and current requirements. The TPN-70 is rated for 70 A at 170 V DC. Ensure the fuse's interrupting rating exceeds the available fault current. Consult your equipment manual or a qualified engineer for proper coordination.

Used in

Common applications for BUSSMANN
Industrial motor control centers — BUSSMANN LPT series Class T time-delay fuses for branch circuit protection
Semiconductor protection in variable frequency drives — BUSSMANN FWA series fast-acting bolt-on fuses rated 150 V AC/DC
Automotive auxiliary circuit protection — BUSSMANN CB222 series Type II circuit breakers in 12 V DC systems
Control panel overcurrent protection — BUSSMANN FNA series midget time-delay indicating fuses for instrumentation
Main feeder protection in power distribution — BUSSMANN KLU series Class L time-delay bolt-on fuses up to 650 A
Fuse replacement in existing panels — BUSSMANN S-8301-1-R fuse block accepting 3AG and other glass/ceramic fuses

BUSSMANN Products

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

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
BUSSMANN Telecom Protection Fuse: TPN Series, Fast-Acting, Blade, 90 A, 170 V DC, 1 in x 5 7/8 in (MPN TPN-90)
BUSSMANN
BUSSMANN Telecom Protection Fuse: TPN Series, Fast-Acting, Blade, 90 A, 170 V DC, 1 in x 5 7/8 in (MPN TPN-90)
BUSSMANN Telecom Protection Fuse: TPN Series, Fast-Acting, Blade, 80 A, 170 V DC, 1 in x 5 7/8 in (MPN TPN-80)
BUSSMANN
BUSSMANN Telecom Protection Fuse: TPN Series, Fast-Acting, Blade, 80 A, 170 V DC, 1 in x 5 7/8 in (MPN TPN-80)
BUSSMANN Telecom Protection Fuse: TPN Series, Fast-Acting, Blade, 250 A, 170 V DC, 2 in x 8 5/8 in (MPN TPN-250)
BUSSMANN
BUSSMANN Telecom Protection Fuse: TPN Series, Fast-Acting, Blade, 250 A, 170 V DC, 2 in x 8 5/8 in (MPN TPN-250)
BUSSMANN Telecom Protection Fuse: TPN Series, Fast-Acting, Cylindrical, 40 A, 170 V DC (MPN TPN-40)
BUSSMANN
BUSSMANN Telecom Protection Fuse: TPN Series, Fast-Acting, Cylindrical, 40 A, 170 V DC (MPN TPN-40)
BUSSMANN Telecom Protection Fuse: TPN Series, Fast-Acting, Cylindrical, 5 A, 170 V DC (MPN TPN-5)
BUSSMANN
BUSSMANN Telecom Protection Fuse: TPN Series, Fast-Acting, Cylindrical, 5 A, 170 V DC (MPN TPN-5)
BUSSMANN Telecom Protection Fuse: TPN Series, Fast-Acting, Cylindrical, 10 A, 170 V DC (MPN TPN-10)
BUSSMANN
BUSSMANN Telecom Protection Fuse: TPN Series, Fast-Acting, Cylindrical, 10 A, 170 V DC (MPN TPN-10)

More from BUSSMANN

View all BUSSMANN parts
The BUSSMANN NOS-175 is a Class H, non-indicating, fast-acting blade fuse rated for 175 A and 600 V AC. It provides overcurrent protection in industrial electrical circuits such as motor control centers, panelboards, and switchgear where rapid response to short circuits is required
BUSSMANN
The BUSSMANN NOS-175 is a Class H, non-indicating, fast-acting blade fuse rated for 175 A and 600 V AC. It provides overcurrent protection in industrial electrical circuits such as motor control centers, panelboards, and switchgear where rapid response to short circuits is required
Class H fast-acting blade fuse rated 300 A at 250 V AC. Non-indicating design for overcurrent protection in industrial branch circuits, panelboards, switchboards, and motor control centers
BUSSMANN
Class H fast-acting blade fuse rated 300 A at 250 V AC. Non-indicating design for overcurrent protection in industrial branch circuits, panelboards, switchboards, and motor control centers
Class RK1 fast-acting blade fuse rated 250 A at 250 V AC and 250 V DC. Non-indicating design from the KTN-R series. Provides overcurrent protection in industrial electrical circuits such as motor control centers, panelboards, and switchgear
BUSSMANN
Class RK1 fast-acting blade fuse rated 250 A at 250 V AC and 250 V DC. Non-indicating design from the KTN-R series. Provides overcurrent protection in industrial electrical circuits such as motor control centers, panelboards, and switchgear
The BUSSMANN NOS-70 is a Class H, non-indicating fast-acting blade fuse rated for 70 A and 600 V AC. It provides overcurrent protection in industrial electrical circuits, such as those found in motor control centers, transformers, and panelboards
BUSSMANN
The BUSSMANN NOS-70 is a Class H, non-indicating fast-acting blade fuse rated for 70 A and 600 V AC. It provides overcurrent protection in industrial electrical circuits, such as those found in motor control centers, transformers, and panelboards
Fast-acting blade fuse rated 600 A at 170 V DC. Suitable for overcurrent protection in DC power distribution systems, commonly used in telecommunications equipment
BUSSMANN
Fast-acting blade fuse rated 600 A at 170 V DC. Suitable for overcurrent protection in DC power distribution systems, commonly used in telecommunications equipment
BUSSMANN Fuse: Class H, NON Series, Fast-Acting, 200 A, 250 V AC, Non-Indicating (MPN NON-200)
BUSSMANN
BUSSMANN Fuse: Class H, NON Series, Fast-Acting, 200 A, 250 V AC, Non-Indicating (MPN NON-200)
BUSSMANN Fuse: Class H, NON Series, Fast-Acting, 100 A, 250 V AC, Non-Indicating (MPN NON-100)
BUSSMANN
BUSSMANN Fuse: Class H, NON Series, Fast-Acting, 100 A, 250 V AC, Non-Indicating (MPN NON-100)
Solar Fuse: PV-L Series, Fast-Acting, 630 A, 1,000 V DC (MPN PV-630A-3L)
BUSSMANN
Solar Fuse: PV-L Series, Fast-Acting, 630 A, 1,000 V DC (MPN PV-630A-3L)