Hager RCBO 40A C Curve Type A Single Pole 6kA ADA940U

Name: Hager RCBO 40A C Curve Type A Single Pole 6kA ADA940U
Brand: Hager
SKU: ADA940U
Price: 24.99 GBP
Availability: InStock

Product Code ADA940U

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£20.83

exc VAT

£24.99 : inc VAT

£24.99

inc VAT

£20.83 : exc VAT

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The Hager RCBO 40A B Curve Type A Single Pole 2 Module 6kA ADA940U is a compact protective device that combines MCB overcurrent protection and RCD earth leakage protection in a single unit. Rated at 40A with a 30mA residual operating current, it is designed for use in final circuits where both overload/short-circuit protection and additional protection against electric shock are required, such as in domestic and light commercial consumer units.

Type A Safety with 6kA Breaking Capacity

Featuring a B-curve tripping characteristic, the ADA940U is suitable for general-purpose circuits with moderate inrush currents, including lighting and socket circuits. A Type A residual current function provides sensitivity to AC and pulsating DC earth leakage, in line with modern regulatory expectations for many circuits. The device offers a 6kA short-circuit breaking capacity at 230–240V AC in accordance with IEC 60898-1, ensuring reliable fault clearance and coordinated protection within Hager distribution boards.

Compact 2-Module Design for Easy Installation

Designed as a 1P+N (single pole and switched neutral) device in a 2-module housing, the RCBO mounts directly to DIN rail for straightforward installation and board layout. Screw terminals on the top and Hager’s biconnect bottom connection accept flexible conductors from 1–16mm² and rigid conductors from 1–25mm², with a tightening torque of 2.1Nm to ensure secure connections. An IP20 rating, operating temperature range of -25°C to +40°C, and compact dimensions of 83mm (H) x 35mm (W) x 68mm (D) make it a practical choice for new installations and upgrades alike.

Features of the Hager RCBO 40A B Curve Type A Single Pole 2 Module 6kA ADA940U:

RCBO combining MCB and RCD functions in a single device
40A rated current with B-curve tripping characteristic
30mA Type A residual current protection for AC and pulsating DC earth leakage
6kA short-circuit breaking capacity at 230–240V AC to IEC 60898-1
1P+N (single pole and switched neutral) design for full disconnection under fault conditions
2-module width for space-efficient installation in consumer units
Screw terminal top connection and biconnect bottom connection
Accepts 1–16mm² flexible and 1–25mm² rigid conductors
IP20 ingress protection for use within suitable enclosures
Operating temperature range -25°C to +40°C, max altitude 2000m
Energy limitation class 3 for improved let-through energy performance
RoHS compliant construction for environmental conformity
Breaking capacity: 4.5kA
Rated voltage: 500V
Height: 83mm
Width: 35mm
Depth: 68mm

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