US3J - Class J
Mersen UltraSafe Modular 600 Volt Fuse Holders for Class J fuses introduce a new level of safety and ease for installing or replacing Class J fuses. UltraSafe holders qualify as “finger-safe” to an IP20 grade of protection under IEC standards. The US3J accommodates 30A Class J or 22 x 58 mm French Ferrule* fuses. The US6J is for 60A Class J fuses. UltraSafe holders are available in compact 1, 2, or 3 pole units, with or without blown-fuse indicators in each pole. Multi-pole units can also be made up in the field by using the multiplepole Assembly Kits. All units have provisions for locking in the open position for safety during fuse changeouts or equipment servicing. US3J and US6J holders can be snap-mounted to 35 mm DIN-rail and they have a unique latch which will stay open to allow re-positioning of the holder in the future. UltraSafe body material is tough and durable polyamide. *Holder not UL listed when installed with French Ferrule fuses. RECOMMENDED FUSE USAGE: *US3J, US6J use with AJT, A4J, HSJ
Mersen UltraSafe Modular 600 Volt Fuse Holders for Class J fuses introduce a new level of safety and ease for installing or replacing Class J fuses. UltraSafe holders qualify as “finger-safe” to an IP20 grade of protection under IEC standards. The US3J accommodates 30A Class J or 22 x 58 mm French Ferrule* fuses. The US6J is for 60A Class J fuses. UltraSafe holders are available in compact 1, 2, or 3 pole units, with or without blown-fuse indicators in each pole. Multi-pole units can also be made up in the field by using the multiplepole Assembly Kits. All units have provisions for locking in the open position for safety during fuse changeouts or equipment servicing. US3J and US6J holders can be snap-mounted to 35 mm DIN-rail and they have a unique latch which will stay open to allow re-positioning of the holder in the future. UltraSafe body material is tough and durable polyamide. *Holder not UL listed when installed with French Ferrule fuses. RECOMMENDED FUSE USAGE: *US3J, US6J use with AJT, A4J, HSJ
Product data sheets
- DS-US3J-US6J-UltraSafe-Class-J-Fuse-Holders-Mersen
pdf - 122.08 KB
Brochures and Flyers
- BR-Panel-Builder-Mersen-EN
pdf - 6.01 MB
Compliance
- COM-CE190304006351-A1-US3J-Fuse-Disconnector
pdf - 103.09 KB
- COM-CE190315006352-A1-US3J-Fuse-Holder
pdf - 104.41 KB
Key features & benefits
Finger-safe IP20 protection
Optional indicator lights
DIN-rail mount
Compact footprint
Quick, easy fuse change
Applications
600 volt motors, transformers, lighting, heating, control circuits, general loads
Non-load disconnect
Technical Specifications
| Frequency (Hz) | 50/60 Hz |
| Amperage Range | 0 to 30 A |
| Fuse Class | Class J |
| Short Circuit Current Rating (SCCR) | 200 kA |
| Flammability Rating | 94 V-0 |
| UL Category Code | IZLT |
| CSA File Number | Class 6225, File 032169_0_000 |
| Reach Compliant | Yes |
| Max Operating Temp. | 80 °C |
| Max Storage Temp. | 80 °C |
| Min Storage Temp. | -25 °C |
| Harmonized System | 853690 |
| UL File Number | File E52283 |
| Degree of Protection (IP) | IP65 |
Reference Finder
Scroll
| Item number | Ampere rating | Fuse size | Fuse Type/Class | Number of poles | Indication System | Product weight |
|---|---|---|---|---|---|---|
|
US3J1 See product
|
30A | - | Class J | 1-Pole | No | 0.2087kg |
|
US3J1I See product
|
30A | - | Class J | 1-Pole | Yes | 0.2087kg |
|
US3J2 See product
|
30A | - | Class J | 2-Pole | No | 0.44kg |
|
US3J2I See product
|
30A | - | Class J | 2-Pole | Yes | 0.44kg |
|
US3J3 See product
|
30A | - | Class J | 3-Pole | No | 0.6486kg |
|
US3J3I See product
|
30A | - | Class J | 3-Pole | Yes | 0.6486kg |
|
US3JN See product
|
30A | - | Class J | N | No | 0.2087kg |