Overview
The Winterburn 1020-A1 Type CA speed switch is a precision speed-sensing device manufactured by Winterburn (Putnam, CT) under the Dazic product line. Rated at 1/2A, 125VAC, this electromechanical speed switch detects shaft rotation and triggers electrical contacts based on speed thresholds. Used in motor control, conveyor systems, and process machinery, the 1020-A1 provides dependable on/off signaling for critical industrial applications.
Key Features
- Type CA configuration for direct-coupled shaft mounting
- 1/2A contact rating at 125VAC supply voltage
- Electromechanical speed detection with mechanical contact closure
- Compact, robust construction for industrial duty
- Proven Winterburn/Dazic reliability across manufacturing, textile, paper, and power industries
Technical Specifications
- Manufacturer: Winterburn Manufacturing Co. (Putnam, CT)
- Product Line: Dazic Speed Switches
- Model: 1020-A1
- Type: CA (Centrifugal, direct-coupled)
- Contact Rating: 1/2A
- Voltage: 125VAC
- Operating Principle: Electromechanical speed sensing
- Mounting: Direct shaft coupling
Typical Applications
The Winterburn 1020-A1 is widely used in:
- Motor overspeed and underspeed detection
- Conveyor belt monitoring and alarming
- Textile and paper mill machinery
- Pump and fan motor control
- General industrial process machinery requiring speed feedback
Compatibility & Replacements
Compatible With
- 125VAC control circuits and motor starters
- Industrial PLC and relay-based control systems
- Direct-coupled shaft applications (Type CA configuration)
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. Other Winterburn Dazic speed switch models (such as 1020-GG1, CI-2120-A1) exist in the product line but should not be assumed interchangeable without confirmation of shaft size, coupling type, and electrical ratings.
Works With
- Electromechanical control relays and contactors
- Motor starters and soft starters (125VAC signal input)
- Industrial alarm and shutdown circuits
- Legacy and modern PLC safety modules
