Description
The Mersen AJT175 is a 175-amp Class J time-delay fuse designed for protecting a wide range of electrical systems, including motors, transformers, and control circuits. Part of the Amp-Trap 2000® series, it provides superior current-limiting capabilities and time-delay performance, making it ideal for managing motor starting and transformer inrush currents. The compact size requires less mounting space compared to traditional fuses, offering enhanced protection in both commercial and industrial applications.
Key Features
- SmartSpot Indicator: Offers a non-indicating or SmartSpot visual blown fuse indicator for quick identification.
- Time-Delay Feature: Ideal for motor starting and transformer inrush currents, preventing nuisance tripping.
- High Interrupting Capacity: 300kA interrupting rating, self-certified with UL witnessed tests.
- Current-Limiting Design: Limits peak let-thru current to protect connected equipment and enhance safety.
- Arc Flash Energy Reduction: Recommended for reducing Arc Flash hazards.
- Compact and Efficient: Requires only half the space of 600VAC Class RK fuses, allowing smaller, cost-effective installations.
- Selectivity: 2-to-1 selectivity simplifies coordination to prevent system shutdowns.
- Unique Class J Dimensions: Prevents incorrect fuse replacement and installation errors.
- Durability and Traceability: Fiberglass body construction ensures stability, while metal-embossed date and catalog numbers enhance traceability.
- Optional EI Indicator: Available with an EI indicator/switch mount for AJT70 to 600 for blown fuse monitoring.
Specifications
- Manufacturer Part Number: AJT175
- Voltage Rating (AC): 600 V
- Ampere Rating: 175 A
- Interrupting Rating: 300kA
- Fuse Class: Class J
- Body Material: Fiberglass
- Standard Approvals:
- UL Listed to standard 248-8 (File E2137)
- DC Listed to UL standard 248
- CSA Certified to C22.2 No. 248.8
- IEC 60269-2-1
- Applications:
- Motor circuits
- Mains
- Feeders
- Branch circuits
- Lighting, heating, and general loads
- Transformers
- Control panels
- Circuit breaker back-up
- Bus duct
- Load centers
JTD175 | LPJ175SP
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