T4V 250 TMD 20-320 3p F F

Product ID:74556
Updated: 2026/4/9
ABB T4V 250 TMD 20-320 3p F F

Key Features

  • 1Ensure high reliability with 20,000 mechanical cycles. 2、Protect three-pole systems with thermomagnetic release. 3、Meet safety standards by complying with IEC 60947. 4、Handle 250A current and 690V AC insulation. 5、Save panel space with compact 105mm width.
Product Details
T4V 250 TMD 20-320 3p F F
ABB

Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Environmental Information
9AKK10103A1057
Product Net Width
105 mm
Product Net Height
205 mm
Product Net Depth / Length
103.5 mm
Product Net Weight
2.35 kg
Product Main Type
SACE Tmax T
Product Name
Moulded Case Circuit Breaker
Product Type
Automatic Circuit Breaker
Suitable For
T4
Suitable for Product Class
Moulded Case Circuit Breakers
Version
F
Electrical Durability
8000 cycle 120 cycles per hour
Mechanical Durability
20000 cycle 240 cycles per hour
Number of Poles
3
Power Loss
at Rated Operating Conditions per Pole 3.6 W
Rated Current (In)
20 A
Rated Impulse Withstand Voltage (Uimp)
8 kV
Rated Insulation Voltage (Ui)
1000 V
Rated Operational Voltage
690 V AC 750 V DC
Rated Service Short-Circuit Breaking Capacity (Ics)
(220 V AC) 200 kA (230 V AC) 200 kA (380 V AC) 200 kA (400 V AC) 200 kA (415 V AC) 200 kA (440 V AC) 180 kA (500 V AC) 150 kA (690 V) 150 kA
Rated Ultimate Short-Circuit Breaking Capacity (Icu)
(220 V AC) 200 kA (230 V AC) 200 kA (380 V AC) 200 kA (400 V AC) 200 kA (415 V AC) 200 kA (440 V AC) 180 kA (500 V AC) 150 kA (690 V AC) 150 kA (250 V DC) 2 Poles in Series 100 kA (500 V DC) 2 Poles in Series 70 kA
Rated Uninterrupted Current (Iu)
250 A
Release
TMD
Release Type
TM
Short-Circuit Performance Level
V
Standards
IEC
Sub-type
T4
Terminal Connection Type
Fixed Circuit-Breakers Front
Test Voltage Max (Utest)
3500 V
Test Voltage at Industrial Frequency for 1 Minute
3500 V
ETIM 8
EC000228 - Power circuit-breaker for trafo/generator/installation protection
Object Classification Code
Q
UNSPSC
39121100
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
eClass
V11.1 : 27370409
Manufacturer ID
1SDA054243R1

Specifications may be subject to change without notice