Overview
The E-T-A 3120-F323-P7T1-W12DB4 thermal breaker combines ON/OFF switching with integral overcurrent protection. This 2-pole unit is engineered to EN/IEC 60934 standards and features a bimetal trip element for consistent thermal protection. The rocker switch actuator provides reliable manual control, while the snap-in flange-mount design enables fast panel installation.
Key Features
- 10A rated current with 2 thermally protected poles
- Rocker switch for manual ON/OFF control and reset
- Bimetal trip element for thermal overcurrent protection
- Snap-in flange-mount frame design, 9mm collar height
- Blade terminal configuration for standard panel wiring
- Suitable for AC and DC circuit applications
Technical Specifications
The unit delivers consistent protection across industrial temperature ranges. Time/current characteristics vary with ambient temperature; refer to derating factors in the datasheet when sizing for extreme environments.
Typical Applications
- Motor overload protection
- Pump circuit protection
- Transformer protection
- Cable overload protection
- Low-voltage industrial control systems
- Industrial automation equipment
Compatibility & Replacements
Compatible With
- Standard panel-mount installations with 50.5 × 21.5 mm mounting cutouts
- Industrial control systems requiring snap-in thermal protection
- AC and DC power distribution circuits
- Blade terminal-based control panel designs
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The 3120-F323 series includes variants at 5A (3120-F323-P7T1-W12DY4) and other ratings; confirm exact part number for drop-in replacement applications.
Works With
- IEC/EN 61058 compliant switch-only control applications
- Standard industrial 24 VDC and 120/240 VAC control circuits
- Motor starter and contactor auxiliary circuits
- Manual reset protection systems
