PRODUCT DESCRIPTION
ALLEN BRADLEY 141A-TR3 - Manual Motor Starter
The ALLEN BRADLEY 141A-TR3 is a Bulletin 141A series manual motor starter designed for direct-on-line control and thermal overload protection of three-phase AC induction motors. This electromechanical device provides local ON/OFF switching and safeguards motors against sustained overcurrent conditions, making it suitable for industrial machinery, HVAC systems, and material handling applications.
Technical Specifications:
- SERIES/FAMILY: Bulletin 141A
- COMPONENT TYPE: Manual Motor Starter
- ELECTRICAL SPECS:
- NOMINAL VOLTAGE: Up to 600VAC
- THERMAL OVERLOAD RANGE: 2.5 - 4.0 Amperes
- POLES: 3-Pole
- PHASE: 3-Phase (suitable for single-phase applications within current limits)
- FREQUENCY: 50/60 Hz
- MECHANICAL/PHYSICAL:
- OPERATION: Manual ON/OFF push-button or toggle
- RESET: Manual
- FORM FACTOR: Open type, panel mountable
- INTERFACE/CONTROL:
- CONTROL METHOD: Direct electromechanical switching
- FEEDBACK: Visual trip indication
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (finger-safe terminals, when open type)
- MOUNTING STYLE: Panel mount, DIN rail mount (with optional adapter)
- OPERATING TEMPERATURE: -20°C to +60°C
- COMPATIBILITY/APPLICATION:
- MOTOR TYPE: AC Induction Motors
- APPLICATIONS: Small pumps, fans, conveyors, machine tools, HVAC systems requiring local control and overload protection.