Approvals & Standards
- Mersen Self-Certification, UL Listed to Standard 248-10, File E2137
- CSA Certified to Standard C22.2, No. 248.10 IEC 269-2-1
- DC Tested to UL 248 limits (Mersen Self-Certified)
Key features & benefits
Amp-Trap A4BY fuses have been the industry's favorite when it comes to protecting service entrance equipment, feeder circuits, and circuit breakers. The A4BY is a 100percent rated device and may be applied at continuous currents up to its ampere rating. A 4-second minimum time delay at 500percent rating allows the A4BY to pass normal current surges and to coordinate with ground fault relays.
More specificationsApplications
- Mains
- Feeders
- Circuit Breakers
- Load centers
- Panelboards
- Switchboards
- Metering Centers
Documents & Resources
Datasheet
Drawings
Curves
Compliance
Product Specifications
Item Number
A4BY1201
Description
Fuse A4BY - Class L - Time-Delay 600VAC 300VDC 1201A Blade Amp-Trap®
EAN/UPC code
782001939175
Rated voltage AC UL
600 V
Rated voltage DC UL
300 V
Rated current
1201 A
ROHS Compliant
Yes
Fuse class
Class L
Speed/Characteristic
Time Delay
Mounting
Bolted
AC Max I.R./Breaking Capacity: I1
200 kA
Contact materials
Silver-Plated Copper
Connection/Terminal Type
Blade
Body/Insulating Material
GMG
Product Weight
2.9937 kg
Product Diameter
76.2 mm
Product Length
273 mm
Sell Pack Quantity
1 Each
Sell Pack Weight
3.1434 kg
Sell Pack Width
85.9 mm
Sell Pack Length
279.4 mm
Sell Pack Height
82.6 mm