Hager RCBO 40A C Curve Type A Single Pole 2 Module 6kA ADA990U

Name: Hager RCBO 40A C Curve Type A Single Pole 2 Module 6kA ADA990U
Brand: Hager
SKU: ADA990U
Price: 26.69 GBP
Availability: InStock

Product Code ADA990U

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£22.24

exc VAT

£26.69 : inc VAT

£26.69

inc VAT

£22.24 : exc VAT

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The Hager RCBO 40A C Curve Type A Single Pole 2 Module 6kA ADA990U is a compact protective device that combines miniature circuit breaker (MCB) overcurrent protection and residual current (RCD) earth fault protection in a single unit. Rated at 40A with a 30mA residual operating current, it is designed for final circuits in domestic and light commercial installations where both overload/short-circuit protection and additional protection against electric shock are required.

C Curve, Type A Performance with 6kA Breaking Capacity

With a C-curve tripping characteristic, the ADA990U is suitable for circuits with higher inrush currents, such as small motors, mixed socket circuits and loads with electronic control gear. A Type A residual current function provides sensitivity to AC and pulsating DC earth leakage, helping to meet current wiring regulation requirements. The RCBO offers a 6kA short-circuit breaking capacity at 230–240V AC in accordance with IEC 60898-1, delivering dependable fault clearance and coordinated protection within Hager consumer units and distribution boards.

Compact 2-Module, 1P+N Design for Easy Installation

Configured as a 1P+N (single pole with switched neutral) device in a 2-module housing, this RCBO mounts directly onto DIN rail for quick, space-efficient installation. Screw terminals with a biconnect bottom connection accept 1–16mm² flexible and 1–25mm² rigid conductors, tightened to 2.10Nm for secure terminations. With an IP20 rating, operating temperature range of -25°C to +40°C, total power loss of 11.10W, and compact dimensions of 83mm (H) × 35mm (W) × 68mm (D), plus an electrical endurance of 2000 cycles, the ADA990U is a robust choice for both new boards and retrofit upgrades.

Features of the Hager RCBO 40A C Curve Type A Single Pole 2 Module 6kA ADA990U:

RCBO combining MCB overcurrent and RCD earth fault protection in one device
40A rated current with C-curve tripping characteristic for circuits with higher inrush currents
30mA Type A residual current protection for AC and pulsating DC earth leakage faults
6kA short-circuit breaking capacity at 230–240V AC to IEC 60898-1
1P+N (single pole with switched neutral) design for disconnection of line and neutral under fault conditions
2-module width for efficient use of space in consumer units and distribution boards
Screw terminal top connection and biconnect bottom connection for straightforward wiring
Accepts 1–16mm² flexible and 1–25mm² rigid conductors, with 2.10Nm tightening torque
IP20 ingress protection for use within suitable enclosures
Rated insulation voltage Ui 500V and impulse withstand voltage Uimp 4kV
Operating temperature range -25°C to +40°C, storage/transport -25°C to +70°C, maximum installation altitude 2000m
Energy limitation class 3 and total power loss under In of 11.10W for controlled let-through energy
Electrical endurance 2000 cycles and mechanical endurance 2000 operations
Height: 83mm
Width: 35mm
Depth: 68mm
Breaking capacity: 6kA
Rated voltage: 240V
RoHS compliant construction for environmental conformity

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