Overview
The Sprecher + Schuh L10-NJ100P3 is a compact, fusible disconnect switch designed for motor control and service entrance applications. This 100-ampere, three-pole unit operates at 600 volts and is rated to protect motors up to 75 horsepower. The L10 series represents a proven, discontinued platform still widely deployed in legacy industrial control systems requiring reliable disconnection and fault protection.
Key Features
- 100A rated capacity with 600V maximum operating voltage
- Three-pole configuration for three-phase motor circuits
- Fused design provides integrated short-circuit and overload protection
- Compact footprint suitable for space-constrained panel installations
- UL 98 certified for service entrance and branch circuit applications
- Removable fuse carriers for quick maintenance and troubleshooting
Technical Specifications
The L10-NJ100P3 meets stringent safety and performance standards across North American and international markets, making it a reliable choice for maintenance and retrofit applications where disconnect and motor protection are critical.
Typical Applications
- Motor control circuits requiring integrated disconnect and fuse protection
- Service entrance panels in industrial facilities
- Legacy system upgrades and replacement scenarios
- Panel-mounted motor branch circuits rated up to 75 HP
- Manufacturing and process automation environments requiring reliable shutdown capability
Compatibility & Replacements
Compatible With
- Three-phase motor circuits and service entrance applications
- Standard 600V industrial power distribution systems
- UL 98-compliant panel mount installations
- Industrial control panels and motor control centers
Replaces / Drop-In Replacement For
- Earlier L10 series disconnect switches
- Other 100A fused disconnect switches in similar panel configurations
- Note: This unit has been superseded by the L11-J100-1753 in current Sprecher + Schuh product lines
Works With
- Class RK5 and Class J fuses (verify fuse type and rating with your system design)
- Standard industrial three-phase motor protection schemes
- NEMA and IEC power distribution standards compliance frameworks
- Verify compatibility with your specific panel configuration and electrical code requirements before ordering




