Overview
The Und. Lab Inc. LL-5014 is a 2-pole circuit breaker with STAB-LOK Type NA configuration, engineered to provide reliable overcurrent and fault protection. STAB-LOK Type NA breakers are designed as plug-in units for use in legacy STAB-LOK circuit breaker panels, offering straightforward installation and consistent performance in residential and commercial electrical applications.
Key Features
- 2-Pole Design: Simultaneously disconnects both live and neutral conductors during electrical faults, enhancing system safety.
- STAB-LOK Type NA Plug-In Mount: Compatible with STAB-LOK panel architecture for drop-in installation without modification.
- Thermal-Magnetic Protection: Dual-trip mechanism responds to both gradual overloads (thermal) and instantaneous short circuits (magnetic).
- Standard Industrial Application: Suitable for protecting branch circuits in residential and light commercial electrical systems.
Technical Specifications
The following specifications apply to this STAB-LOK Type NA circuit breaker unit:
- Poles: 2
- Type: STAB-LOK Type NA
- Configuration: Plug-In
- Trip Mechanism: Thermal-Magnetic
- Manufacturer: Und. Lab Inc.
- Part Number: LL-5014
Typical Applications
- Residential and commercial branch circuit protection
- Retrofit installations in existing STAB-LOK panel systems
- Legacy electrical system upgrades and replacements
- Overcurrent protection for branch circuits and distribution loads
Compatibility & Replacements
Compatible With
- STAB-LOK circuit breaker panels (Type NA configuration)
- Legacy electrical distribution systems using STAB-LOK architecture
- 2-pole branch circuit loads up to the breaker’s rated capacity
Replaces / Drop-In Replacement For
The Und. Lab Inc. LL-5014 is designed to replace other 2-pole STAB-LOK Type NA breakers in existing panels. Verify exact amperage and electrical specifications with your system documentation before ordering to ensure proper compatibility.
Works With
- STAB-LOK Type NA panel slots
- Standard branch circuit wiring and connections
- Thermal-magnetic overload relay systems






