2NO Three-Position Double Momentary Rotary Selector Switch
The ACXION 2NO Three-Position Double Momentary Rotary Selector Switch is a professional-grade interface designed for precise pulse signaling and temporary command triggering. Featuring a reliable spring-return mechanism, the knob automatically returns to the center position from both the left and right sides. With a robust 2NO (Double Normally Open) contact configuration and a 1 million cycle mechanical life, this switch is an essential component for industrial jog control, automation machinery, and elevator maintenance panels.
Product Features
Double Momentary (Spring-Return): The actuator automatically returns to the neutral center position after being released from either the left or right, ensuring safe and precise manual control.
Three-Position Control (I-O-II): Designed for multi-circuit logic, the three-position layout allows for clear directional commands (e.g., Forward/Stop/Reverse or Open/Off/Close).
2NO Contact Configuration: Equipped with two independent Normally Open contact blocks, providing versatile control for dual-signal sequences in a single modular unit.
Anti-Rotation Stability: Featuring a raised boss design, the switch head fits securely into the mounting cutout, preventing loosening or shifting during high-frequency manual operation.
Industrial Protection (IP65): Standard IP65 rating for dust and water resistance (upgradeable to IP66), ensuring stable performance in harsh indoor distribution cabinets and outdoor equipment.
Modular Three-Part Structure: Composed of a durable knob head, middle base, and contact blocks. The screw terminal wiring ensures fast installation and simplified on-site maintenance.
Technical Specifications
Positions: Three-Position (Left – Center – Right)
Operation Type: Double Momentary / Spring-Return to Center
Contact Type: 2NO (Normally Open)
Mechanical Life: Up to 1,000,000 cycles
Operating Temperature: -25℃ to +70℃
Safety Standards: IEC60947-5-1 / GB14048.5
Certifications: CCC, CE Certified
Applications
The ACXION Three-Position Double Momentary Switch is a field-proven solution for systems requiring responsive, temporary signaling:
Industrial Automation: Optimized for lithium battery production lines and CNC machinery requiring jog control, pulse signaling, or manual calibration.
Elevator Building Services: A dependable solution for elevator maintenance panels and lift systems where manual positioning and temporary service commands are necessary.
Power Distribution: Widely integrated into distribution cabinets and low-voltage switchgear for manual command sequences and circuit testing.
New Energy Infrastructure: Essential for energy storage systems (ESS) and EV charging stations to facilitate temporary system adjustments and maintenance overrides.
General Manufacturing: Suitable for textile machinery, printing equipment, and food processing lines needing durable, high-frequency manual interfaces.
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