Over 800,000 products available

Schneider Electric Harmony Key Switch Head, Momentary, 29 mm Cutout

View all Key Switch Heads

Subtotal (1 unit)*

£54.96

(exc. VAT)

£65.95

(inc. VAT)

Add to Basket
Select or type quantity
Stocked by manufacturer
  • Ready to ship from 22 June 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£54.96

*price indicative

RS Stock No.:
578-271
Mfr. Part No.:
KBA1SR
Brand:
Schneider Electric
Find similar products by selecting one or more attributes.
Select all

Brand

Schneider Electric

Product Type

Key Switch Head

Series

Harmony

Cutout Diameter

29mm

Key Type

Flat

Switch Operation

Momentary

IP Rating

IP65

Angle of Throw

45 °

Mechanical Life

1000000Cycles

Standards/Approvals

NF C 20-010, IEC 529

Hazardous Area Certification

NO

COO (Country of Origin):
CZ
The Schneider Electric Cam switch operating head is designed for use with front mounting bodies rated at 12 and 20 A, using a Ø 22 mm mounting hole. Component name is KBA. The Cam switch head features a Ø 29 mm bezel made of plastic with a metallic finish. It includes a key type 455 as the operator. Rotary handle padlocking is not available. It comes with a metallic legend for clear identification. The switching angle is 45°.

Mechanical durability is 1000000 cycles

IP65 rated

Related links