T5N 400 TMA 400-4000 3p F F

Name: T5N 400 TMA 400-4000 3p F F
Brand: ABB
SKU: T5N 400 TMA 400-4000 3p F F

Short Description: The ABB T5N 400 TMA 400-4000 3P FF is a fixed three-pole moulded case circuit breaker with a thermal magnetic trip, suitable for 400 A main circuit applications. It features front terminals and meets IEC standards for reliable short-circuit protection.

Product ModelT5N 400 TMA 400-4000 3p F F

Material Number1SDA054437R1

Product ID76080

Stock on Request

Last updated: 9/6/2026

Quantity

Key Features

1
1. High Current RatingThe ABB T5N 400 TMA 400-4000 3P FF supports a high current rating of 400 A, making it ideal for demanding electrical applications.
2
2. Thermal Magnetic TripEquipped with a thermal magnetic trip, this circuit breaker ensures efficient and reliable short-circuit protection, safeguarding your electrical system.
3
3. Front Terminal ConnectionThe front terminal connection type provides easy and convenient access for wiring, enhancing the overall usability of the circuit breaker.
4
4. IEC ComplianceThe product meets IEC standards, ensuring it adheres to international safety and performance requirements, providing you with peace of mind in your electrical installations.
5

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Environmental Information

9AKK10103A1056 9AKK108467A6707

Product Net Width

140 mm

Product Net Height

205 mm

Product Net Depth / Length

103.5 mm

Product Net Weight

4.549 kg

Product Main Type

SACE Tmax T

5. Mechanical DurabilityWith a mechanical durability of 20,000 cycles at 120 cycles per hour, this circuit breaker is designed to withstand the rigors of frequent operation, ensuring long-lasting performance.

Moulded Case Circuit Breaker

Product Type

Automatic Circuit Breaker

Suitable For

Suitable for Product Class

Moulded Case Circuit Breakers

Version

Electrical Durability

7000 cycle 60 cycles per hour

Mechanical Durability

20000 cycle 120 cycles per hour

Number of Poles

Power Loss

at Rated Operating Conditions per Pole 19.5 W

Rated Current (In)

400 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) 70 kA (230 V AC) 70 kA (380 V AC) 36 kA (400 V AC) 36 kA (415 V AC) 36 kA (440 V AC) 30 kA (500 V AC) 25 kA (690 V AC) 20 kA

Rated Short-time Withstand Current Low Voltage (Icw)

for 1 s 5 kA

Rated Ultimate Short-Circuit Breaking Capacity (Icu)

(220 V AC) 70 kA (230 V AC) 70 kA (380 V AC) 36 kA (400 V AC) 36 kA (415 V AC) 36 kA (440 V AC) 30 kA (500 V AC) 25 kA (690 V AC) 20 kA (250 V DC) 2 Poles in Series 36 kA (500 V DC) 2 Poles in Series 25 kA (750 V DC) 3 Poles in Series 16 kA

Rated Uninterrupted Current (Iu)

400 A

Release

TMA

Release Type

Short-Circuit Performance Level

Standards

IEC

Sub-type

Terminal Connection Type

Fixed Circuit-Breakers Front

Test Voltage Max (Utest)

3500 V

ETIM 8

EC000228 - Power circuit-breaker for trafo/generator/installation protection

ETIM 9

EC000228 - Power circuit-breaker for trafo/generator/installation protection

Object Classification Code

UNSPSC

39121100

WEEE Category

5. Small Equipment (No External Dimension More Than 50 cm)

eClass

V11.1 : 27370409

Manufacturer ID

1SDA054437R1