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NKK Switches MRA403BA Rotary Switch
This miniature rotary switch is engineered for logic and power level applications, delivering reliable contact operation and high durability in compact electronic circuits. It features a break-before-make contact mechanism, self-cleaning sliding contacts, and an environmentally sealed design, suitable for PCB mounting with PC terminals. The switch supports multiple positions with an adjustable stopper plate for precise control, meets IP67 standards in certain models, and is designed for low-voltage, low-current logic circuits. Its robust construction ensures long-term performance in demanding automation and control systems.
NKK Switches MRA403BA Rotary Switch Specifications:
- Electrical Capacity: 250mA @ 125V AC
- Contact Resistance: 10 milliohms max for MRA; 50 milliohms max for MRF & MRK
- Insulation Resistance: 100 megohms min @ 500V DC
- Dielectric Strength: 1,000V AC min for MRA; 500V AC min for MRF & MRK
- Mechanical Life: 30,000 operations min
- Electrical Life: 10,000 operations min
- Range of Operating Torque: 0.02 ~ 0.07Nm for MRA; 0.005 ~ 0.02Nm for MRF & MRK
- Contact Timing: Break-before-make (nonshorting)
- Environmental Ratings: IP67 (MRK model), operates from -10°C to +70°C, 90-95% humidity for 96 hours
- Sealing: Interior housing seal, rubber O-ring (MRK), molded PC terminals
- Mounting: Panel mounted, with hardware ensuring secure placement
- Construction: Brass with nickel plating, steel with zinc plating, polyamide cover, copper with silver plating
- Vibration & Shock: Vibration durability at 10-55Hz, shock tested at 50G
- Other Features: Adjustable stopper plate supporting 2-12 positions, self-cleaning sliding contacts
Buy the NKK Series MR Rotary Switch: MRA403BA
Purchase the NKK Series MR rotary switch online today for precise control in automation systems. Its reliable self-cleaning contacts, environmental sealing, and adjustable stopper plate make it ideal for low-voltage logic applications. Perfect for compact electronic devices requiring durable switches with multiple positions, IP67 protection in certain models, and long lifespan. Enjoy quick, secure online ordering and ensure your control system's reliability and performance with this high-quality, versatile rotary switch designed for demanding industrial and electronic environments.
Get NKK Series MR MRA403BA rotary switch today—designed for high reliability in low-current, logic control circuits with adjustable positions and environmental sealing.
Frequently Asked Questions
Where can I buy NKK Switches MRA403BA?
You can click on the BUY or RFQ button to purchase MRA403BA from an authorized NKK Switches distributor.
How do I troubleshoot issues or seek technical support for part MRA403BA?
You can download the MRA403BA datasheet or visit the NKK Switches website for support.
Who is the manufacturer of MRA403BA?
NKK Switches