22mm 2NO2NC Stainless Steel Push Button Switch
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  • 22mm 2NO2NC Stainless Steel Push Button Switch
  • 22mm 2NO2NC Stainless Steel Push Button Switch
  • 22mm 2NO2NC Stainless Steel Push Button Switch
  • 22mm 2NO2NC Stainless Steel Push Button Switch
  • 22mm 2NO2NC Stainless Steel Push Button Switch
  • 22mm 2NO2NC Stainless Steel Push Button Switch
  • 22mm 2NO2NC Stainless Steel Push Button Switch
  • 22mm 2NO2NC Stainless Steel Push Button Switch
  • 22mm 2NO2NC Stainless Steel Push Button Switch
  • 22mm 2NO2NC Stainless Steel Push Button Switch

22mm 2NO2NC Stainless Steel Push Button Switch

Product Overview
The 22 mm 2NO2NC Stainless Steel Push Button Switch features dual pairs of contacts—two normally open and two normally closed—offering flexible wiring options for multiple circuits in one device. Thickened silver contact points and gold-plated interfaces ensure long electrical life and stable switching. Designed to withstand over a million mechanical actuations, the switch offers reliable performance in safety circuits, interlocks, or situations where redundant or multiple output signals are required.

Zhejiang Wandu Electric Co., Ltd. Zhejiang Wandu Electric Co., Ltd. Zhejiang Wandu Electric Co., Ltd. Zhejiang Wandu Electric Co., Ltd. Zhejiang Wandu Electric Co., Ltd. Zhejiang Wandu Electric Co., Ltd.
  • Waterprooflevel-1 Waterprooflevel-1
  • Large keys Large keys
  • Flame retardant Flame retardant
  • Big silver contact Big silver contact
  • Multiple luminous colors Multiple luminous colors
  • Promise lamp beads Promise lamp beads
  • AC and DC AC and DC
  • Built-in buck resistor Built-in buck resistor
  • Built-in waterproof ring Built-in waterproof ring
Description Physical Appearance Contact Us
Product Description:

Product Details
Gold plated pins, large silver contacts
CNC processing, exquisite appearance
Large aperture,high brightness
Environmentally friendly sealing ring, brass nut

Product Features 
Optional wired socket connection to ensure contact performance;
The diameter of the operation button is increased, which has stable self-locking performance and comfortable operation feel;
It has a delicate metal texture and high-end appearance design;
The new structural design has stable on-off performance and improved the ability to resist welding deformation;
Waterproof level up to IP65 (customizable IP67/IP68);
Mechanical life: up to 1,000,000 cycles;
It can realize two-color, three-color, and multi-color luminescence;
Gold-plated pins improve oxidation resistance, and thickened silver dots increase electrical life;
It has applied for or obtained a number of patents, and has passed RoHS, CQC, CE certification.

Product Details:
  • Zhejiang Wandu Electric Co., Ltd. Gold-plated-pins-large-silver-contacts-1
  • Zhejiang Wandu Electric Co., Ltd. CNC-processing-exquisite-appearance-1
  • Zhejiang Wandu Electric Co., Ltd. Large-aperture-high-brightness-2
  • Zhejiang Wandu Electric Co., Ltd. Environmentally friendly sealing ring, brass nut
External Dimensions:

The type of key:

Project Parameter Description of the switch structure
Rated insulation voltage Ui AC250V

C is the common end,NO is the normally open
end,and NC is normaly closed

Agree on the heating current Ith 5A
Rated voltage DC12V DC24V DC36V AC220V
Rated current(A) Resistive loads
Inductive loads 0.75  0.75  0.75 

Mounting hole diameter   22~22.1mm25~25.1mm30~30.1mm
Switching voltage 1.5V~250VAC/DC
Current rating Resistive loads DC-13:12V/24V3A
AC-15:110V/250V 3A
Inductive loads AC-15:110V/250V0.75A
DC-13:110V0.75A
Rated heating current ith:3A/250VAC
Waterproof rating IP65 at the end of the button
Ambient temperature -30℃~85℃
Form of work Self-locking/self-resetting(optional)
Switch combinations 1NO1NC
Lamp bead voltage AC/DC:3.3V、6V、9V、12V、24V、36V、48V、110V、220V
Lamp bead current 2mA~20mA
PIN pin style Switch pin 2.8×0.5&LED pin 
Base material Modified nylon PA66
Dielectric strength ≥100mQ 500VDC/h
Compressive strength Pins and housings 2500VAC 20mA/min
Glowing color R-Red G-Green B-Blue 1-Yellow W-White 
Housing material SUS304/Brass nickel-plated/aluminum alloy anodizedSUS304
Key Material PC&SUS316
Contact material Silver tin oxide alloy contacts
Electrical life DC-13:12V/24V3A>30,000times AC-15:110V/250V3A>3
Mechanical life DC-13:12V0.5A>1,000,000 times DC-13:12V 0.5A>100
Contact resistanceh Contact resistanceh<50mΩ
Press down on pressure Approximately 2.5~4N
Button travel The key stroke is 3mm and the contact stroke is 1.5mm
LED electrical schematic 
One color

Physical appearance:
  •             WD22B1-P11-E-□□-A Metal Pushbutton Switches WD22B1-P11-E-□□-A
  •             WD22B1-P11-E-□□-N Metal Pushbutton Switches WD22B1-P11-E-□□-N
  •             WD22B1-P11-EC-□□-N Metal Pushbutton Switches WD22B1-P11-EC-□□-N
  •             WD22B1-P11-A Metal Pushbutton Switches WD22B1-P11-A
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About Us
Zhejiang Wandu Electric Co., Ltd.

Zhejiang Wandu Electric Co., Ltd. is a professional enterprise that integrates research and development, production, and sales, focusing on providing customers with high-quality electrical products. The company has a strong R&D team, as well as well-established departments for mold development, design and development, and technical engineering.

Wandu Electric mainly produces various switch products such as metal button switches, metal indicator lights, metal emergency stop switches, knobs, keys, buzzers, etc. lts switch products have the characteristics of waterproof and dustproof, and are the only ones in the industry that have independently passed the airtightness test for metal button switches, ensuring the reliability of the product in various environments. The company provides switches and indicator lights with various installation diameters, including conventional series, high current series, waterproof series, and can be customized and developed according to customer needs.

Wandu Electric's products are widely used in various fields such as medical equipment, automobiles, ships, new energy, charging stations, electronic equipment modification, computers, drones, industrial equipment, etc., providing customers with safe and stable electrical solutions for their equipment.

As an enterprise adhering to the business philosophy of "customer first, quality first", Wandu Electric has always focused on innovation and quality, continuously improving product performance, and providing customers with better services. We look forward to working together with you to create a better future! 

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