Overview
The General Electric TN231H4075 is a manually operated air circuit breaker designed for industrial and commercial electrical distribution applications. This 3-pole breaker delivers 75A switching capacity at 125VAC, making it suitable for medium-duty circuit protection and load switching. The ALB-10 series is engineered for reliable, repeatable operation in control cabinet and panel-mount installations.
Key Features
- 3-pole configuration for three-phase or three-wire single-phase circuit protection
- 75A rated capacity at 125VAC operating voltage
- Manual operation with accessible handle for safe, predictable switching
- Thermal-magnetic tripping for overload and short-circuit protection
- Compact design suitable for industrial cabinets and switchgear applications
- Time-tested ALB-10 series construction for durability in harsh environments
Technical Specifications
- Manufacturer: General Electric (GE)
- Part Number: TN231H4075
- Series: ALB-10
- Rated Current: 75A
- Voltage Rating: 125VAC
- Number of Poles: 3
- Operation Type: Manual
- Trip Mechanism: Thermal-magnetic
Typical Applications
The General Electric TN231H4075 is well-suited for:
- Industrial control centers and motor control applications
- Electrical distribution panels and switchgear assemblies
- Machine tool and factory automation circuit protection
- Legacy equipment maintenance and replacement
- Control cabinet retrofits and upgrades
Compatibility & Replacements
Compatible With
- GE ALB-10 series switchgear and control enclosures
- Standard industrial electrical cabinets and panels
- 12-channel and 16-channel control systems requiring 75A switching
- Thermal-magnetic protective relay systems
Replaces / Drop-In Replacement For
Verify exact replacement compatibility with your system integrator. The TN231H4075 is the factory part number for this specific 75A, 3-pole, 125VAC configuration within the ALB-10 line. Some related model variations exist; confirm with OEM or controls engineer before substitution.
Works With
- Class 2 and Class 3 control circuits
- Manual and semi-automatic electrical distribution systems
- Standard industrial circuit protection schemes
- Conventional thermal-magnetic protective devices
