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Fuses

Power Products/Fuses 
Viewing Page 1 of 3 (28 results)
600V 400A CLASS J TD FUSE

600V 400A CLASS J TD FUSE

Item #: AJT400

Supplier Part #: AJT400
Brand: Mersen

Amp-Trap 2000® AJT fuses provide non-indication as well as a SmartSpot visual open fuse indicator. With advanced material technology the AJT fuse provides IEC Type 2 No Damage protection to main, feeder, and branch circuits, for all types of loads — yet, they require only half the mounting space needed for 600VAC Class RK fuses. AJT’s time-delay characteristics are ideal for handling typical motor and transformer inrush currents, while also providing superior current-limiting ability.

IEC 60269-2-1; UL listed; High-grade silica filler ensures fast arc quenching; Optional EI indicator/switch mount for AJT70 to 600 open fuse indication; High-visibility orange label gives instant brand recognition; Motor circuits; Control panels; Metal-embossed date and catalog number for traceability and lasting identification; Unique Class J dimensions prevent replacement errors; DC tested to UL standard 248; UL listed to standard 248-8 File E2137; Load centers; DC listed to UL standard 248; Transformers; Mains; Feeders; Extremely current-limiting for low peak let-thru current; Easy 2-to-1 selectivity for prevention of nuisance shutdowns; 300kA interrupting rating – self-certified, UL witnessed tests; Lighting, heating & general loads; Fiberglass body provides dimensional stability in harsh industrial settings; Circuit breaker back-up; Recommended for Arc Flash energy reduction; Non-indicating or solid state SmartSpot visual blown fuse indicator; Most current-limiting UL class fuse; Bus duct; Branch circuits; CSA certified to standard C22.2 No. 248.8; Time-delay for motor starting and transformer inrush; Small footprint requires less mounting space and allows smaller, more economical fuse blocks

$531.43 /EA
NOT CURRENTLY IN STOCK
600V 350A CLASS J FUSE

600V 350A CLASS J FUSE

Item #: A4J350

Brand: Mersen

Amp-Trap fast-acting A4J fuses deliver excellent current-limiting protection to a wide variety of applications. Their unique dimensions prevent the substitution of other fuses with lower voltage ratings, interrupting ratings, or current-limiting capability.

Unique dimensions prevent replacement by other fuse classes; Capacitors; Lighting, heating, and general loads; Switchboards; DC listed to UL 248; IEC 269-2-1; Circuit breakers; Bus duct; High current limitation for low peak let-thru current; UL listed to standard 248-8 File E2137; CSA certified to standard C22.2 no. 248.8; Panelboards; Load centers; Fiberglass body provides dimensional stability in harsh industrial environments; Easy-to-read imprint label for quick recognition and replacement; Feeder circuits

$478.05 /EA
NOT CURRENTLY IN STOCK
600V 350A CLASS J HS FUSE

600V 350A CLASS J HS FUSE

Item #: HSJ350

Supplier Part #: HSJ350
Brand: Mersen

The High Speed Class J (HSJ) combines the low I2t of a semiconductor fuse and the branch-circuit performance of a Class J UL Listed fuse into a single design. The HSJ can provide both branch circuit protection per NEC requirements, as well as very low I2t for protection of power semiconductors such as Diodes, SCRs, GTOs and SSRs.

Optimized over-load capability for withstanding elevated levels of current during electronic motor controller starts; UL listed to standard 248-8 File E2137; Low I2t (low thermal energy); Branch circuits; Solid state relays; CSA certified to standard C22.2 no. 248.8; DC listed to UL 248; Control panels; Electronic motor controllers; Drives; Soft-starters; Excellent cycling ability for frequent starts/stops without nuisance opening; Phase controllers

$528.73 /EA
NOT CURRENTLY IN STOCK
600V 400A CLASS J HS FUSE

600V 400A CLASS J HS FUSE

Item #: HSJ400

Supplier Part #: HSJ400
Brand: Mersen

The High Speed Class J (HSJ) combines the low I2t of a semiconductor fuse and the branch-circuit performance of a Class J UL Listed fuse into a single design. The HSJ can provide both branch circuit protection per NEC requirements, as well as very low I2t for protection of power semiconductors such as Diodes, SCRs, GTOs and SSRs.

UL listed to standard 248-8 File E2137; Control panels; Branch circuits; Low I2t (low thermal energy); Phase controllers; Optimized over-load capability for withstanding elevated levels of current during electronic motor controller starts; CSA certified to standard C22.2 no. 248.8; DC listed to UL 248; Electronic motor controllers; Soft-starters; Excellent cycling ability for frequent starts/stops without nuisance opening; Solid state relays; Drives

$504.03 /EA
NOT CURRENTLY IN STOCK
600V 250A CLASS J FUSE

600V 250A CLASS J FUSE

Item #: A4J250

Brand: Mersen

Amp-Trap fast-acting A4J fuses deliver excellent current-limiting protection to a wide variety of applications. Their unique dimensions prevent the substitution of other fuses with lower voltage ratings, interrupting ratings, or current-limiting capability.

IEC 269-2-1; Feeder circuits; UL listed to standard 248-8 File E2137; Switchboards; Circuit breakers; DC listed to UL 248; Lighting, heating, and general loads; Fiberglass body provides dimensional stability in harsh industrial environments; Bus duct; Load centers; CSA certified to standard C22.2 no. 248.8; Unique dimensions prevent replacement by other fuse classes; Easy-to-read imprint label for quick recognition and replacement; Capacitors; High current limitation for low peak let-thru current; Panelboards

$478.32 /EA
NOT CURRENTLY IN STOCK
600V 225A CLASS J HS FUSE

600V 225A CLASS J HS FUSE

Item #: HSJ225

Supplier Part #: HSJ225
Brand: Mersen

The High Speed Class J (HSJ) combines the low I2t of a semiconductor fuse and the branch-circuit performance of a Class J UL Listed fuse into a single design. The HSJ can provide both branch circuit protection per NEC requirements, as well as very low I2t for protection of power semiconductors such as Diodes, SCRs, GTOs and SSRs.

Drives; Electronic motor controllers; DC listed to UL 248; Excellent cycling ability for frequent starts/stops without nuisance opening; Branch circuits; UL listed to standard 248-8 File E2137; Phase controllers; Solid state relays; CSA certified to standard C22.2 no. 248.8; Low I2t (low thermal energy); Control panels; Optimized over-load capability for withstanding elevated levels of current during electronic motor controller starts; Soft-starters

$528.73 /EA
NOT CURRENTLY IN STOCK
600V 300A CLASS J FUSE

600V 300A CLASS J FUSE

Item #: A4J300

Supplier Part #: A4J300
Brand: Mersen

Amp-Trap fast-acting A4J fuses deliver excellent current-limiting protection to a wide variety of applications. Their unique dimensions prevent the substitution of other fuses with lower voltage ratings, interrupting ratings, or current-limiting capability.

UL listed to standard 248-8 File E2137; Feeder circuits; Unique dimensions prevent replacement by other fuse classes; CSA certified to standard C22.2 no. 248.8; IEC 269-2-1; High current limitation for low peak let-thru current; Panelboards; Fiberglass body provides dimensional stability in harsh industrial environments; Easy-to-read imprint label for quick recognition and replacement; Capacitors; Lighting, heating, and general loads; Bus duct; Circuit breakers; Switchboards; Load centers; DC listed to UL 248

$442.09 /EA
NOT CURRENTLY IN STOCK
600V 400A CLASS J FUSE

600V 400A CLASS J FUSE

Item #: A4J400

Supplier Part #: A4J400
Brand: Mersen

Amp-Trap fast-acting A4J fuses deliver excellent current-limiting protection to a wide variety of applications. Their unique dimensions prevent the substitution of other fuses with lower voltage ratings, interrupting ratings, or current-limiting capability.

Capacitors; UL listed to standard 248-8 File E2137; Fiberglass body provides dimensional stability in harsh industrial environments; DC listed to UL 248; Switchboards; Load centers; Lighting, heating, and general loads; IEC 269-2-1; Feeder circuits; Bus duct; CSA certified to standard C22.2 no. 248.8; Unique dimensions prevent replacement by other fuse classes; High current limitation for low peak let-thru current; Panelboards; Circuit breakers; Easy-to-read imprint label for quick recognition and replacement

$417.64 /EA
NOT CURRENTLY IN STOCK
J TD FUSE 600V 200A-400 AJT R

J TD FUSE 600V 200A-400 AJT R

Item #: AJT200/400

Supplier Part #: AJT200/400
Brand: Mersen

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.

Control panels; Load centers; Replaces traditional temporary-use only Fuse Reducer accessories; Branch circuits; Fiberglass body provides dimensional stability in harsh industrial settings; Feeders; Extremely current-limiting for low peak let-thru current; Most current-limiting UL class fuse; Recommended for Arc Flash energy reduction; Lighting, heating & general loads; Time-delay for motor starting and transformer inrush; Motor circuits; Circuit breaker back-up; Transformers; UL Listed to standard 248-8 File E2137; Bus duct; Metal-embossed date and catalog number for traceability and lasting identification; High-visibility orange label gives instant brand recognition; Mains; High-grade silica filler ensures fast arc quenching; Optional EI indicator/switch; IEC 269-2-1

$531.43 /EA
NOT CURRENTLY IN STOCK
J TD FUSE 600V 225A AJT EI

J TD FUSE 600V 225A AJT EI

Item #: AJT225EI

Supplier Part #: AJT225EI
Brand: Mersen

Amp-Trap 2000® AJT fuses provide non-indication as well as a SmartSpot visual open fuse indicator. With advanced material technology the AJT fuse provides IEC Type 2 No Damage protection to main, feeder, and branch circuits, for all types of loads — yet, they require only half the mounting space needed for 600VAC Class RK fuses. AJT’s time-delay characteristics are ideal for handling typical motor and transformer inrush currents, while also providing superior current-limiting ability.

Control panels; Optional EI indicator/switch mount for AJT70 to 600 open fuse indication; Unique Class J dimensions prevent replacement errors; Lighting, heating & general loads; High-grade silica filler ensures fast arc quenching; Circuit breaker back-up; 300kA interrupting rating – self-certified, UL witnessed tests; Extremely current-limiting for low peak let-thru current; Motor circuits; Load centers; Feeders; Transformers; Non-indicating or solid state SmartSpot visual blown fuse indicator; High-visibility orange label gives instant brand recognition; DC tested to UL standard 248; IEC 60269-2-1; Easy 2-to-1 selectivity for prevention of nuisance shutdowns; Bus duct; Branch circuits; UL listed; Mains; Fiberglass body provides dimensional stability in harsh industrial settings; Small footprint requires less mounting space and allows smaller, more economical fuse blocks; Time-delay for motor starting and transformer inrush; UL listed to standard 248-8 File E2137; Metal-embossed date and catalog number for traceability and lasting identification; CSA certified to standard C22.2 No. 248.8; Recommended for Arc Flash energy reduction; DC listed to UL standard 248; Most current-limiting UL class fuse

$614.58 /EA
NOT CURRENTLY IN STOCK
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