Qa17A 63A Blister Pack Switch

The CBI QA17A63BP is a 63A single-phase earth leakage protection device from CBI-electric: low voltage, featuring built-in overload protection. The "BP" suffix indicates it is sold in retail-ready blister pack packaging.

Key Specifications
According to official documentation and retailer data from Builders and Chamberlains:
Current Rating: 63 Amps.
Protection Type: Earth leakage (30mA sensitivity) combined with overload protection (indicated by the "A" suffix).
Poles: 1-Pole + Neutral (switched neutral).
Mounting: Dual Mount design, allowing it to fit both standard DIN rail and CBI Mini rail (Samite) distribution boards.
Technology: Uses hydraulic-magnetic technology, ensuring precise tripping that is independent of ambient temperature.
Short Circuit Capacity: Rated for 3kA.