Overview
The Ferraz Shawmut US6J3 is a 3-pole ultrasafe modular fuseholder rated for 600V AC and 60A operation. This unit accommodates 60A Class J fuses and is engineered for safe, efficient fuse management in industrial control cabinets and panel assemblies. UltraSafe holders qualify as finger-safe to an IP20 grade of protection under IEC standards, reducing the risk of accidental contact during maintenance or fuse replacement.
Key Features
- Finger-safe IP20 protection prevents accidental contact during operation
- Snap-mounted to 35 mm DIN-rail with a unique latch that stays open for re-positioning
- Polyamide construction provides durability and electrical insulation
- All units have provisions for locking in the open position for safety during fuse changeouts or equipment servicing
- Non-indicator type for streamlined design
- Compact modular design allows multi-pole assembly in the field
Technical Specifications
| Voltage Rating | 600V AC/DC |
| Current Rating | 60A |
| Pole Configuration | 3-Pole |
| Fuse Type | Class J |
| Protection Grade | IP20 (Finger-Safe) |
| Mounting | DIN Rail (35 mm snap-on) |
| Material | Polyamide |
| Terminal Type | Pressure Plate (Phillips/Slot Head Screw) |
| Wire Range | #2 to #14 (solid/stranded copper) |
| Short Circuit Rating | 200 kA |
| Screw Torque | 45 in-lbs (60A) |
| Certifications | UL 4248, CSA C22.2, CE Approved |
Typical Applications
- Industrial control panels and motor control centers
- Electrical distribution cabinets in manufacturing facilities
- Power distribution in HVAC and refrigeration systems
- Process automation equipment and machinery protection
- Backup power and UPS system enclosures
- Switchgear and protective device coordination
Compatibility & Replacements
Compatible With
- Standard 35 mm DIN-rail systems in North American industrial control cabinets
- Class J fuse standards (NEMA, ANSI)
- Control cabinets rated 600V AC/DC
- Both new and retrofit electrical enclosure installations
Replaces / Drop-In Replacement For
- Earlier Ferraz Shawmut 60A fuseholder designs
- Generic 3-pole 600V 60A fuseholders with Class J compatibility
- Verify compatibility with your system integrator before ordering
Works With
- Class J fuses (22 x 58 mm fuse dimensions)
- IEC and NEMA compliant electrical panels
- Standard pressure plate terminal connections for field wiring
- DIN-rail mounted devices (timers, relays, contactors)
