Description

CBI CQA2150 QA(13) 50A 1‑Pole 3 kA Mini Rail Hydraulic‑Magnetic Circuit Breaker

Reliable branch protection without temperature derating

In hot panels or variable environments, thermal breakers can nuisance trip. The CBI QA(13) hydraulic‑magnetic design delivers 100% rating capability independent of ambient temperature, with precise, repeatable tripping and immediate reclose after a trip.

Key Features

• Current rating: 50 A
• Poles: 1‑pole (mini rail mount)
• Short‑circuit rating: 3 kA (SANS)
• Operating voltage: 240 Vac
• Technology: Hydraulic‑magnetic AC circuit breaker
• Time delay curve: Curve 3 (short time delay)
• Form factor: Ultra‑compact 13 mm wide module; 57 mm front escutcheon (black)
• Trip indication with mid‑trip position
• Suitable for electrical isolation
• Can be switched on immediately after tripping
• Compliance: VC 8036 (SANS 556‑1)
• Wiring terminals: 0.75–35 mm²; 2.5 Nm torque
• Operating temperature range: −40 °C to +85 °C

Typical Applications

• AC branch circuit protection and switch disconnector (SANS 60947‑3)
• Telecom/datacom and UPS equipment
• Lighting control and alternative energy equipment
• Mobile power generation and railway signalling
• Residential and industrial equipment

Documentation

• QA(13) Series Datasheet (PDF)
• Miniature Circuit Breakers Price List 2026–2027 (PDF)
• CBI Circuit Breaker Markings Explained (PDF)