Skip to main content

All locations

Please select your country & language

China | 中国
Germany | Deutschland

Your country is not in the list?

Go to our international website:

Mersen EP International Website
Country / Language:  France / English
Contact us

Approvals & Standards

  • UL Listed to Standard 248-10, File E2137
  • CSA Certified to Standard C22.2, No. 248.68
  • Self-certified for DC per UL248 (601-2000)

Key features & benefits

The high interrupting rating of the Amp-Trap A4BT current-limiting fuses makes it suitable for protecting mains, feeders, and general circuits. The 10-second time-delay at 500 percent of fuse rating is ideal for large motors and other loads with high inrush currents. A4BT fuses can be applied to normal loads up to its full ampere rating to allow 100percent rating of equipment.

More specifications

Applications

  • Motors
  • Motor controllers
  • Transformers
  • Mains
  • Feeders

Product Specifications

Frequency (Hz)

50/60   Hz

Ampere range

200 to 2000 A  

Fuse class

Class L  

Speed/Characteristic

Time Delay  

UL file number

File E2137  

UL Category Code

JDDZ  

CSA File number

Class 1422-02 Guide 012636_0  

REACH Compliant

Yes  

Max Operating Temp.

80   °C

Max Storage Temp.

80   °C

Min Storage Temp.

-25   °C

Harmonized System

853610  

References in this series  (26)

A4BT400

400   A

-

-

No

0.9072   kg

A4BT450

450   A

-

-

No

0.9072   kg

A4BT500

500   A

-

-

No

0.9072   kg

A4BT600

600   A

-

-

No

0.9072   kg

A4BT601

601   A

-

-

No

1.7917   kg

A4BT650

650   A

-

-

No

1.7917   kg

A4BT700

700   A

-

-

No

1.7917   kg

A4BT750

750   A

-

-

No

1.7917   kg

A4BT800

800   A

-

-

No

1.7917   kg

A4BT800-TA

800   A

-

-

Yes  

1.8824   kg

A4BT900

900   A

-

-

No

2.0412   kg