DDA203 A-25/0.5

Product ID:81777
Updated: 2026/7/14
ABB DDA203 A-25/0.5

Key Features

  • 1Provide robust protection against earth fault currents.
  • 2Suit residential, commercial, and industrial applications.
  • 3Mount on DIN Rails for easy installation.
  • 4Detect faults early with 500mA sensitivity.
  • 5Meet IEC/EN 61009 standards for reliability.

Need price and lead time?

Request a quote for original ABB DDA203 A-25/0.5. Tell us your required quantity.

It only takes 1 minute — get your quotation and delivery time.
Quote within 24h
100% Original ABB
Global Delivery
No Spam · Secure

Need a quote? Enter your quantity and get pricing fast.

Qty

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Standards
IEC/EN 61009 Ann. G
Type of Residual Current
Type A
Rated Voltage (Ur)
230/400 V
Rated Operational Voltage
230/400 V
Rated Insulation Voltage (Ui)
500 V
Rated Impulse Withstand Voltage (Uimp)
4 kV
Rated Current (In)
25 A
Rated Residual Current
500 mA
Leakage Current Type
A
Rated Frequency (f)
50 … 60 Hz
Power Loss
3 W
Power Supply Connection
Arbitrary
Electrical Endurance
10000 cycle
Number of Poles
3
Operating Characteristic
Instantaneous
Connecting Capacity
Rigid 16 ... 16 mm² Flexible 16 ... 16 mm²
Ambient Temperature
-25...55 °C
Ambient Air Temperature
Operation -25...55 °C
Degree of Protection
IP2X
Resistance to Vibrations
20 Cycles with Load 0.8 In: 1g or 1mm 50 … 150 … 5 Hz
Resistance to Shock acc. to IEC 60068-2-27
25g 2 shocks 13 ms
Environmental Information
Refer to RoHS
Short-Circuit Current Rating (SCCR)
0.5 ... 0.5 A
Product Net Width
87 mm
Product Net Height
93 mm
Product Net Depth / Length
76 mm
Product Net Weight
158 g
ETIM 8
EC002297 - Residual current circuit breaker (RCCB) module
ETIM 9
EC002297 - Residual current circuit breaker (RCCB) module
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
WEEE B2C / B2B
Business To Consumer
CN8
85363030
eClass
V11.0 : 27142210
Object Classification Code
F
Manufacturer ID
2CSB203101R4250

Specifications may be subject to change without notice

Still deciding on DDA203 A-25/0.5?

Our engineers can confirm stock, price, and lead time for this ABB part.

Get a no-obligation quote in 1 minute.

Chat with us