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NKK Switches MRK112A Sealed Rotary Switch
The MRK112A is a half-inch diameter process sealed rotary switch designed for low-voltage, low-current control circuits. It features a durable metal housing, self-cleaning sliding contact mechanism, and adjustable stopper. The switch offers 2 to 12 positions with a positive detent for distinct feedback, IP67 sealing for rugged environments, and a compact profile suitable for PCB mounting. Suitable for automation, industrial control, and machinery where reliable position selection is essential, it includes PC terminals, a rubber shaft seal, and multiple mounting hardware options. It complies with IEC standards for environmental resistance and mechanical durability.
NKK Switches MRK112A Sealed Rotary Switch Specifications:
- Electrical Capacity: 250mA @ 125V AC, 0.4VA max @ 28V AC/DC, operates within 0.1mA to 0.1A range
- Contact Resistance: 10 milliohms max for MRA, 50 milliohms for MRF & MRK
- Insulation Resistance: 100 megohms min @ 500V DC
- Dielectric Strength: 1,000V AC for MRA, 500V AC for MRF & MRK (1 minute)
- Mechanical Life: 30,000 operations min
- Electrical Life: 10,000 operations min
- Operating Temperature Range: -10°C to +70°C (+14°F to +158°F)
- Vibration Resistance: 10-55Hz, peak-to-peak 1.5mm, 2 hours each direction
- Shock Resistance: 50G acceleration, tested in 3 directions
- Sealing: IP67 (MRK model)
- Mounting Torque: Not specified
- Adjustable stopper: allows 2-12 position settings
- Body Dimensions: low profile, 0.323” to 0.669” depth, 0.686Nm torque
- Housing Material: Brass with nickel plating, polyamide cover, zinc alloy base
- Contact Material: Copper with silver plating for MRA, phosphor bronze with gold plating for MRF & MRK
- Actuator Types: Shaft actuated with PC terminals, various knobs
- Standards & Certifications: IEC environmental and durability standards, IP67 for MRK
Buy the Buy NKK Switches Half-Inch Diameter Process Sealed Rotary Part Number MRK112 Online
Order the NKK Sealed Rotary Switch MRK112A online today and enjoy fast shipping, competitive prices, and the assurance of high-quality engineering for your control panel needs. This switch offers 2-12 positions with IP67 sealing, self-cleaning contacts, and robust construction designed for industrial applications. Its compact profile fits tight spaces, making installation straightforward. Whether used in automation, machinery, or control systems, this switch provides dependable position selection with durable materials, ensuring long-lasting performance. Shop now to ensure reliable control in your next project.
Buy NKK Switches MRK112A now and experience unmatched reliability and performance in rugged industrial environments.
Frequently Asked Questions
Where can I buy NKK Switches MRK112A?
You can click on the BUY or RFQ button to purchase MRK112A from an authorized NKK Switches distributor.
How do I troubleshoot issues or seek technical support for part MRK112A?
You can download the MRK112A datasheet or visit the NKK Switches website for support.
Who is the manufacturer of MRK112A?
NKK Switches