AJT125/400 datasheet, PDF - EEWORLD Datasheet

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AJT125/400: DescriptionElectric Fuse, Time Lag Blow, 125A, 200000A (IR), J,; CategoryCircuit protection Circuit protection; File Size450KB，2 Pages; ManufacturerMersen; Websitehttps://www.mersen.com/; Environmental Compliance; With over 135 years of experience, more than 50 industrial sites and 18 R&D centers in 35 countries, Mersen Electrical Power is a global expert in power and advanced materials for high-tech industries. They offer a broad portfolio of electrical protection and control products and provide solutions for power management applications. The Mersen team works with customers around the world to design and deliver custom solutions and essential products for the commercial, industrial, renewable energy, power electronics and electric vehicle markets. Mersen's mission is to make its customers' applications safer and more reliable.

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AJT125/400 Overview

Electric Fuse, Time Lag Blow, 125A, 200000A (IR), J,

AJT125/400 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	Mersen
Reach Compliance Code	compliant
ECCN code	EAR99
Fusing characteristics	TIME LAG
body height	181 mm
Body length or diameter	54 mm
Circuit protection type	ELECTRIC FUSE
Fuse type	J
physical size	54mm x 181mm
Rated breaking capacity	200000 A
Rated current	125 A
Rated voltage	600 V
Guideline	IEC, UL
Terminal shape	TAB/BLADE

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AJT Reducer Fuses

Time-delay/Class J

AJT Reducer Fuses are a safe permanent solution for decreasing your current rating

without using a fuse reducer which are designed and list for temporary use only.

These reducer fuses provide the same trusted protection levels as a traditional AJT

fuses but in a larger body.

Features/Benefits:

•

Replaces traditional temporary use only fuse reducers

•

Recommended for Arc Flash energy reduction

•

Extremely current-limiting for low peak let-thru current

•

Most current-limiting UL class fuse

•

Time-delay for motor starting and transformer inrush

•

High-visibility orange label gives instant brand recognition

•

Metal-embossed date and catalog number for traceability and lasting

identification

•

Fiberglass body provides dimensional stability in harsh industrial settings

•

High-grade silica filler ensures fast arc quenching

•

Optional EI indicator/switch

Ratings:

Volts

: 600VAC or less

: 500VDC or less

Amps

: 125 to 200A

(in 400A body)

: 250 to 400A

(in 600A body)

: 200kA I.R. AC

: 100kA I.R. DC

(Self-certified for 600VAC, 300kA

I.R., UL witnessed).

Highlights:

•

Reducer Fuse

•

Arc Flash mitigating

•

Highly current-limiting

•

Time-delay

•

DC ratings

•

Optional mechanical indicator

Applications:

•

Motor circuits

•

Mains

•

Feeders

•

Branch circuits

•

Lighting, heating & general loads

•

Transformers

•

Control panels

•

Circuit breaker back-up

•

Bus duct

•

Load centers

Note: See motor fuse applications tables

on page P7

Approvals:

AJT (1-600):

•

UL listed to standard 248-8

File E2137

•

IEC 269-2-1

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