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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

Si  

Max Operating Temp.

80   °C

Max Storage Temp.

80   °C

Min Storage Temp.

-25   °C

Harmonized System

853610  

References in this series  (26)

Indication System

A4BT400

400   A

-

-

No

2   lb

A4BT450

450   A

-

-

No

2   lb

A4BT500

500   A

-

-

No

2   lb

A4BT600

600   A

-

-

No

2   lb

A4BT601

601   A

-

-

No

3.95   lb

A4BT650

650   A

-

-

No

3.95   lb

A4BT700

700   A

-

-

No

3.95   lb

A4BT750

750   A

-

-

No

3.95   lb

A4BT800

800   A

-

-

No

3.95   lb

A4BT800-TA

800   A

-

-

Si  

4.15   lb

A4BT900

900   A

-

-

No

4.5   lb