LIVE Electrical RNA40B-030 40A Double Pole B Curve Type A Bidirectional RCBO

The LIVE Electrical RNA40B-030 is a high-capacity 40A double pole RCBO designed to deliver reliable protection against overloads, short circuits and residual current faults. Featuring a B curve tripping characteristic and 30mA sensitivity, it is ideal for circuits with low inrush currents, ensuring safe and consistent performance in a range of applications.

Manufactured as a twin switch Type A RCBO, the RNA40B-030 supports bidirectional operation and is suitable for use on 230V AC systems. With a 6kA breaking capacity and durable construction, it offers dependable long-term protection in both residential and commercial electrical installations.

Key Features

• 40A rated current
• Double pole (2P) RCBO
• B curve tripping characteristic
• 30mA residual current protection
• Type A device – detects AC and pulsating DC faults
• Bidirectional operation
• Twin switch design for safe isolation
• 6kA breaking capacity
• Suitable for 230V AC systems
• Terminal capacity up to 16mm²
• Electrical endurance: 4,000 cycles
• Mechanical endurance: 100,000 cycles
• Complies with BS EN 61009-1

Technical Specification

• Model: RNA40B-030
• Brand: LIVE Electrical
• Rated current: 40A
• Rated voltage: 230V AC
• Breaking capacity: 6kA
• Rated residual current: 30mA
• Pole configuration: 2P
• Tripping characteristic: B curve
• Type: Type A
• Terminal capacity: 16mm²
• Compliance: BS EN 61009-1

Data Sheet: Download the RNA40B-030 data sheet

LIVE Electrical Catalogue: View the LIVE Electrical catalogue