Overview
The Und. Lab Inc. EW-90 NI is a 2 pole Stab-Lok circuit breaker engineered for reliable overcurrent protection in electrical distribution panels. With NC-NI (circuit isolation) configuration, this FPE-compatible breaker offers straightforward integration into legacy panel systems. This surplus unit is fully functional and ready for deployment.
Key Features
- 2 pole configuration for dual circuit protection
- Stab-Lok connector type for secure panel mounting
- NC-NI circuit isolation design
- Underwriters Laboratories (UL) certified
- Direct replacement for compatible FPE Stab-Lok frames
- Suitable for industrial, commercial, and residential electrical systems
Technical Specifications
- Poles: 2
- Type: Stab-Lok Connector
- Configuration: NC-NI (Circuit Isolation)
- Manufacturer: Federal Pacific Electric (FPE) / Und. Lab Inc.
- Model: EW-90
- Certifications: Underwriters Laboratories (UL)
- Application: Electrical panel overcurrent protection
- Condition: Surplus – Fully Functional
Typical Applications
- Industrial electrical distribution panels
- Commercial building electrical systems
- Residential main service panels
- Equipment protection and circuit isolation
- Retrofit and replacement installations in legacy systems
Compatibility & Replacements
Compatible With
- FPE Stab-Lok electrical panels
- Federal Pacific Electric panel frames
- 2 pole, 240V single-phase circuit applications
Replaces / Drop-In Replacement For
- FPE Stab-Lok 2 pole breakers of equivalent rating
- Legacy Und. Lab Inc. certified circuit breakers
- Other NC-NI 2 pole Stab-Lok type units
Works With
- Standard electrical conduit and wiring (verify local codes)
- UL-listed panel enclosures with Stab-Lok connector receptacles
- Complies with electrical code requirements for overcurrent protection devices
