AJT Reducer Fuses - Class J - Time-delay
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.
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.
Product data sheets
- DS-AJT-Reducer-Fuses-Mersen
pdf - 128.96 KB
Compliance
- COM-RoHS-RS000033-AJT-Reducer-Mersen
pdf - 141.93 KB
- COM-REACH-RE000033-AJT-Reducer-Mersen
pdf - 200.4 KB
Key features & benefits
Replaces traditional temporary-use only Fuse Reducer accessories
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
Applications
Motor circuits
Mains
Feeders
Branch circuits
Lighting, heating & general loads
Transformers
Control panels
Circuit breaker back-up
Bus duct
Load centers
Technical Specifications
| Frequency (Hz) | 50/60 Hz |
| Amperage Range | 125 to 400 A |
| Fuse Class | Class J |
| Speed/Characteristic | Time Delay |
| UL Category Code | JDDZ |
| Reach Compliant | Yes |
| Max Operating Temp. | 80 °C |
| Max Storage Temp. | 80 °C |
| Min Storage Temp. | -25 °C |
| Harmonized System | 853610 |
Reference Finder
Scroll
| Item number | Ampere rating | Fuse size | Clearing I2t At Rated Voltage | Indication System | Product weight |
|---|---|---|---|---|---|
|
AJT125/400 See product
|
125A | - | - | No | 0.8618kg |
|
AJT150/400 See product
|
150A | - | - | No | 0.8618kg |
|
AJT175/400 See product
|
175A | - | - | No | 0.8618kg |
|
AJT200/400 See product
|
200A | - | - | No | 0.8618kg |
|
AJT250/600 See product
|
250A | - | - | No | 1.4742kg |
|
AJT300/600 See product
|
300A | - | - | No | 1.4742kg |
|
AJT350/600 See product
|
350A | - | - | No | 1.4742kg |
|
AJT400/600 See product
|
400A | - | - | No | 1.4742kg |