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ABBMiniature circuit breaker
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S202MT-Z0.5UC

Product ID:80478
Updated: 2026/4/3
ABB S202MT-Z0.5UC

Key Features

  • 1Deploy for traction and railway applications with Exigence 3 classification. 2、Achieve a high short-circuit breaking capacity of 10 kA. 3、Utilize for both AC and DC systems with wide approvals. 4、Install easily with compact 35x88x69 mm dimensions. 5、Enhance safety with IP20 protection and shock resistance.
Product Details
S202MT-Z0.5UC
ABB

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Standards
CSA 22.2 No. 235 IEC/EN 60947-2 UL 1077
Tripping Characteristic
Z
Rated Operational Voltage
acc. to IEC 60898-1 440 V AC acc. to IEC 60898-1 440 V DC acc. to IEC 60898-1 440 V acc. to IEC 60947-2 440 V AC acc. to IEC 60947-2 440 V DC
Operational Voltage
Maximum (Incl. Tolerance) 462 V AC Maximum (Incl. Tolerance) 500 V DC Minimum 12 V AC Minimum 12 V DC
Rated Insulation Voltage (Ui)
acc. to IEC/EN 60664-1 440 V
Rated Impulse Withstand Voltage (Uimp)
4 kV at 2000 m 5 kV at Sea Level 6.2 kV
Dielectric Test Voltage
50/60 Hz-1 min: 2 kV
Input Voltage Type
AC/DC
Rated Current (In)
0.5 A
Rated Short-Circuit Capacity
(AC) 7.5 kA (DC) 10 kA (230 V AC) 10 kA (400 V AC) 10 kA (230 V) 10 kA (400 V) 10 kA
Rated Ultimate Short-Circuit Breaking Capacity (Icu)
(230 V AC) 10 kA (400 V AC) 10 kA (440 V AC) 10 kA (440 V DC) 10 kA (230 V) 10 kA
Rated Conditional Short-Circuit Current (Inc)
(230 V) 10 kA (400 V) 10 kA
Rated Service Short-Circuit Breaking Capacity (Ics)
(230 V AC) 10 kA (440 V DC) 10 kA
Rated Frequency (f)
50 / 60 Hz DC
Power Loss
4.4 W at Rated Operating Conditions per Pole 2.2 W
Power Supply Connection
Please Note Polarity of Device
Contact Position Indication
ON / OFF
Energy Limiting Class
3
Electrical Endurance
1500 DC cycle 20000 AC cycle
Mechanical Endurance
20000 cycle
Number of Protected Poles
2
Number of Poles
2
Overvoltage Category
III
Tightening Torque
2.8 N·m
Actuator Type
Toggle
Screw Terminal Type
Failsafe Bi-directional Cylinder-lift Terminal
Actuator Marking
I / O
Actuator Material
Insulation Group II, Black, Sealable
Housing Material
Insulation Group I, RAL 7035
Options Provided
Suitable for traction application
Mounting on DIN Rail
TH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715 TH35-7.5 (35 x 7.5 mm Mounting Rail) acc. to IEC 60715
Mounting Position
any
Recommended Screw Driver
Pozidriv 2
Accessories Available
Yes
Remarks
Please note polarity of device
Connecting Capacity
Busbar 10 / 10 mm² Flexible with Ferrule 0.75 ... 25 mm² Flexible 0.75 ... 25 mm² Flexible 0.75 ... 25 mm² Rigid 0.75 ... 35 mm² Stranded 0.75 ... 35 mm²
Installation Size
acc. to DIN 43880 1
Terminal Type
Screw Terminals
Ambient Air Temperature
Operation -25 ... +55 °C Storage -40 ... +70 °C
Reference Ambient Air Temperature
20 °C
Degree of Protection
IP20 IPXXB Enclosure with Cover IP40
Pollution Degree
3
Environmental Conditions
28 cycles with 55 °C / 90-96 % and 25 °C / 95-100 %
Resistance to Vibrations
20 Cycles with Load 0.8 In: 5g 5 ... 150 ... 5 Hz
Resistance to Shock acc. to IEC 60068-2-27
25g 2 shocks 13 ms
Maximum Operating Voltage UL/CSA
500 V DC 480Y / 277 V AC
Interrupting Rating acc. to UL1077
(440 V DC) 10 kA
Connecting Capacity UL/CSA
Busbar 14-8 AWG Conductor 14-4 AWG
Tightening Torque UL/CSA
Main Circuit 18 in·lb
Width in Number of Modular Spacings
2.0
Product Net Width
35 mm
Product Net Height
88 mm
Product Net Depth / Length
69 mm
Product Net Weight
0.25 kg
Built-In Depth (t2)
69 mm
ETIM 8
EC000042 - Miniature circuit breaker (MCB)
ETIM 9
EC000042 - Miniature circuit breaker (MCB)
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
WEEE B2C / B2B
Business To Business
CN8
8536 20 10
UNSPSC
39121603
eClass
V11.0 : 27141901
IDEA Granular Category Code (IGCC)
4897 >> Miniature circuit breakers
Manufacturer ID
2CDS272065R0158

Specifications may be subject to change without notice