ABB DDA204 RCD, 40A, 4 Pole, 30mA

Subtotal (1 unit)*

£157.48

(exc. VAT)

£188.98

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • 11 unit(s) ready to ship
  • Plus 999,999,988 unit(s) shipping from 05 December 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£157.48

*price indicative

RS Stock No.:
231-9895
Mfr. Part No.:
2CSB204001R1400 DDA204 AC-40/0.03
Brand:
ABB
Find similar products by selecting one or more attributes.
Select all

Brand

ABB

Circuit Breaker Type

RCD

Current Rating

40A

Number of Poles

4

Trip Sensitivity

30mA

Series

DDA204

Mounting Style

DIN Rail Mount

Rated AC Voltage

400V

Break Time

Instantaneous

COO (Country of Origin):
IT

ABB DDA204 Series RCD, 40A Current Rating, 4 Poles - 2CSB204001R1400 DDA204 AC-40/0.03


This RCD is a vital component in electrical systems, providing enhanced protection against earth faults. Designed for DIN rail mounting, it is compact with overall dimensions of 76 x 105 x 93mm. The device is specifically engineered to safeguard commercial and industrial applications, ensuring compliance with IEC standards.

Features & Benefits


• Instantaneous trip mechanism enhances safety by quickly interrupting the supply
• 40A current rating suitable for diverse electrical loads
• 4 pole configuration allows for flexible circuit management
• 30 mA trip sensitivity protects against earth leakage
• AC type ensures compatibility with sinusoidal alternating fault currents
• Designed for easy integration with MCBs from the S200 series

Applications


• Provides protection in residential wiring systems
• Utilised in commercial electrical installations for safety
• Suitable for use in industrial environments to avoid electrical hazards
• Designed for assembly with MCBs for optimised circuit protection

What are the operational temperature limits for this device?


This device operates effectively in ambient temperatures ranging from -25°C to 55°C, ensuring reliability in various conditions.

How does the trip sensitivity of 30 mA function in practical terms?


The 30 mA trip sensitivity is engineered to disconnect the circuit when leakage currents exceed this threshold, providing effective protection against electric shock.

Can this device be used in conjunction with other circuit protection devices?


Yes, it is designed for seamless integration with MCBs from the S200 series, enhancing overall circuit protection without compromising functionality.

Related links