ZB4-BK1233
Active22mm Green Illuminated Selector 2-Position
Schneider Harmony XB4 illuminated 2-position selector with green LED.
Common Applications
Illuminated selector for mode control with visual feedback. Green lit in the active position confirms the selected mode. Common on packaging machines for run/setup selection and on HVAC panels for occupied/unoccupied.
Specifications
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Actuator Function
Momentary = springs back when released. Maintained/latching = stays pressed until pressed again.
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Maintained
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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, CSA, CE
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Color
Button/actuator color. Green = start/go, Red = stop/emergency, Yellow = caution, Blue = reset (per IEC 60204-1).
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Green
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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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Illumination
Whether the button has a built-in light. Illuminated buttons show status (lit = active).
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Illuminated
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IP Rating
IP66: Dust-tight and withstands powerful water jets from any direction. Standard for outdoor and washdown applications.
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IP66
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LED Voltage
The voltage required for the built-in LED. Must match your control circuit voltage (typically 24V DC or 230V AC).
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24V AC/DC
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Material
The bezel/body material. Metal bezels are more durable in harsh environments. Plastic is lighter and cheaper.
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Metal
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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
$25.58 — $39.12
across 2 distributors
Quick Specs
- Actuator Function
- Maintained
- Certifications
- UL, CSA, CE
- Color
- Green
- Cutout Diameter
- 22mm
- Illumination
- Illuminated
What People Are Saying
“Schneider Electric ZB4-BK1233 is a solid choice for selector switch applications. Standard specs, well-supported.”