HW1K-2A
Active22mm 2-Position Key Switch
IDEC HW series 2-position key-operated selector switch.
Common Applications
Budget key switch for mode protection. Supervisor key prevents unauthorized mode changes. Same 22mm mounting as HW push buttons. IDEC pricing is 30-40% below Schneider ZB4-BG1 for equivalent function.
Specifications
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Actuator Function
Momentary = springs back when released. Maintained/latching = stays pressed until pressed again.
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Maintained, key removable in both positions
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Certifications
Third-party safety certifications. UL = required for US NEC installations. CE = EU compliance. CSA = Canadian standards.
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UL, CE
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Cutout Diameter
The hole size you drill in your panel to mount this button. 22mm is the most common industrial standard worldwide.
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22mm
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IP Rating
IP65: Dust-tight and protected against low-pressure water jets. Suitable for indoor industrial and light washdown.
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IP65
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Installation Quick Reference
Panel cutout: 22mm. Align the selector positions with the desired panel markings before tightening.
Contact blocks: Attach one contact block per position. Wire each to a separate PLC input for position feedback. A 2-position switch needs 1-2 blocks; 3-position needs 2-3.
Dimensions
Troubleshooting
Not responding to input
Check wiring continuity with a multimeter. Verify the contact block is properly seated. Inspect terminals for loose connections.
Where to Buy
Price range
$3.33 — $36.76
across 3 distributors
Quick Specs
- Actuator Function
- Maintained, key removable in both positions
- Certifications
- UL, CE
- Cutout Diameter
- 22mm
- IP Rating
- IP65
What People Are Saying
“Budget key switch for mode protection. Supervisor key prevents unauthorized mode changes. Same 22mm mounting as HW push buttons. IDEC pricing is 30-40% below Schneider ZB4-BG1 for ”