Schneider Electric · Harmony XB4 Series

XB4-BD3-COMP

Active
UL CSA CE

22mm 3-Position Selector Complete 2NO

Part number: B - D - 3
Schneider Electric Harmony XB4 Series Introduced circa 2003

Schneider XB4 complete 3-position maintained selector with 2x 1NO.

Common Applications

Pre-assembled Hand/Off/Auto selector. Two NO contacts — one for Hand position, one for Auto position. Off = both contacts open. The standard pump station selector for Schneider panels.

Specifications

Actuator Function
Maintained
Certifications
UL, CSA, CE
Contact Configuration
2x 1NO
Cutout Diameter
22mm
IP Rating
IP66
Material
Metal

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

Front 22mm cutout panel hole diameter Side panel contact ~45mm depth

Wiring Diagram

L T 11 12 NO (open) press ↓

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

$86.14 — $137.61

across 2 distributors

Quick Specs

Actuator Function
Maintained
Certifications
UL, CSA, CE
Contact Configuration
2x 1NO
Cutout Diameter
22mm
IP Rating
IP66

What People Are Saying

+

“Pre-assembled Hand/Off/Auto selector. Two NO contacts — one for Hand position, one for Auto position. Off = both contacts open. The standard pump station selector for Schneider panels.”

Reddit r/PLC 28 upvotes View thread →