Description
The KACON K22-61 is an industrial-grade Ø22mm key-operated dual-speed selection switch engineered for high-security human-machine interface (HMI) and automation control panels. Utilizing precision original engineering, this selector switch features high-conductivity 24K gold and silver alloy contacts designed to handle micro-current switching for PLC digital inputs while maintaining high electrical durability under 250V AC/DC industrial loads. The modular contact block architecture and rugged key-locking cylinder ensure unauthorized access prevention and deterministic state transitions in harsh manufacturing environments.
TECHNICAL SPECIFICATIONS
Manufacturer: KACON
Model Code: K22-61
Product Category: Key Selection Switch / Dual Speed Selector
Mounting Cutout Diameter: Ø22.3 mm
Contact Configuration: 1NO (1 Form A, Modular Stackable)
Contact Material: AgNi Silver Alloy with 24K Gold Surface Cladding
Rated Insulation Voltage (Ui): 250V AC/DC
Rated Operational Voltage (Ue): 250V AC / 125V DC
Conventional Thermal Current (Ith): 5A
Contact Resistance: ≤ 30 mΩ
Insulation Resistance: ≥ 100 MΩ at 500V DC
Dielectric Strength: 2,500V AC at 50/60 Hz for 1 minute
Mechanical Service Life: 500,000 cycles minimum
Electrical Service Life: 100,000 cycles minimum
Operating Temperature Range: -25°C to +70°C
Operating Humidity: 45% to 85% RH non-condensing
Ingress Protection Rating: IP65 (Front Panel with Sealing Ring)
Terminal Connection: M3.5 Screw Clamp with Captive Pressure Plate
Body Material: Flame-retardant Polycarbonate (UL94V-0 rated)
Lock Cylinder Material: Nickel-plated Brass / Zinc Die-cast
Weight: 0.082 kg
Certifications: CE, CCC, RoHS Compliant
INDUSTRIAL APPLICATION AND PROBLEM SOLVING
The K22-61 solves critical operational integrity issues in dual-speed overhead crane controls, conveyor speed staging, and automated machine access systems. In environments exposed to airborne oil particulates and industrial vibrations, conventional base-metal contacts suffer from oxidation and signal dropout at low PLC voltage levels (24V DC). The 24K gold-plated silver alloy contact interface guarantees low contact resistance and zero-signal degradation, preventing intermittent machine stops. Furthermore, the key-locked mechanism restricts dual-speed override to authorized maintenance personnel, preventing accidental acceleration in safety-critical manufacturing zones.
INTEGRATION AND AVAILABILITY
Technical Compatibility: Direct drop-in fit for standard Ø22mm push button cutouts complying with IEC 60947-5-1 standards. Fully compatible with modular KACON contact additions and standard industrial DIN enclosures.
Lead Time: In-stock standard configurations ship within 24 to 48 hours. Volume procurement and OEM project quantities subject to standard factory lead time.
Key Attributes
Max. Current: 10 A
Max. Voltage: 250V
Switch Combination: 1NO
Place of Origin: Zhejiang, China
Model Number: K22-61
Brand Name: KACON
IP level: IP40
LED: No
Whether The Smart: No
Protection Level: IP40
Packaging and Delivery
Selling Units: Single item
Single package size: 10X5X5 cm
Single gross weight: 0.060 kg
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