Schneider Electric XB5AG21 Harmony XB5 Key Selector Switch Black Key 455 2-Position 22 mm 1NO Selector Switch

The Schneider Electric XB5AG21 is a Harmony XB5 key selector switch using key type 455, with a maintained (stay-put) 2-position 90° action and the key withdrawable only in the left-hand position. The single NO contact is rated 10 A Ith and the device mounts in a standard 22.5 mm panel cut-out.

Technical Specifications

Certifications & Standards

• Lloyd's Register
• CSA
• DNV
• BV
• UL
• IEC 60947-5-1
• IEC 60947-1

Selection Notes

Key withdrawal only in the left-hand position means an operator cannot pull the key once the switch has been turned to the active (right) position, which restricts who can re-enable a mode and keeps the machine from being left running with the key out. The single NO contact suits a simple authorized/not-authorized gate on one function; where two independent NO signals are needed for a mode with its own interlock, the 3-position XB5AG33 key switch is the better fit. Specify key 455 replacements or duplicates to match this exact lock code across a panel.