1sda054263r1  t4s 320 tma 320-3200 3 pole abb mccb

1sda054263r1 t4s 320 tma 320-3200 3 pole abb mccb

ABB 1SDA054263R1 SACE Tmax T4S 320 A three-pole moulded case circuit breaker with TMA thermomagnetic release, fixed front terminals and adjustable magnetic protection for low voltage distribution systems.

SKU: 1SDA054263R1Alt SKU: T4S 320 TMA 320-3200 3p F FMPN: 1SDA054263R1
Price
List Price £2,150.61 ex VAT
Your Price (ex VAT) Save 25%
£1,612.96 25% OFF
You save £537.65 per unit
Manufacturer Lead Time Estimated Delivery 4 weeks
Get the best trade prices Trade exclusive

Create an online account to unlock exclusive pricing, special offers and more.

Create an online account Quick & easy setup
SUBTOTAL (EX VAT) £1,612.96
Trade pricing is personalised to your account

Manufacturer Lead Time

£1,612.96

Why Choose the ABB 1SDA054263R1 Tmax T4S Moulded Case Circuit Breaker?

The ABB 1SDA054263R1 is a dependable Tmax T4S moulded case circuit breaker (MCCB) designed for robust low voltage circuit protection in industrial and commercial electrical distribution systems. Part of the established ABB SACE Tmax T series, this three-pole breaker provides reliable overload and short-circuit protection for demanding installations.

This circuit breaker is equipped with a TMA thermomagnetic trip unit, combining thermal overload protection with adjustable magnetic short-circuit protection. Its fixed construction and front terminal arrangement support straightforward installation into switchboards, panel boards and machinery control cabinets.

With a rated current of 320 A, a three-pole configuration and rated operational voltage up to 690 V AC, the ABB 1SDA054263R1 is suitable for feeder protection, power distribution and industrial control applications where dependable ABB circuit protection is required.

Key Advantages

  • Reliable ABB SACE Tmax T4S moulded case circuit breaker.
  • 320 A rated current for industrial power distribution circuits.
  • Three-pole fixed design for compact panel installation.
  • TMA thermomagnetic release for overload and short-circuit protection.
  • Adjustable magnetic protection for installation flexibility.
  • Front terminal configuration supports efficient switchboard wiring.

Key Features

  • ABB SACE Tmax T series.
  • T4S 320 frame size.
  • 320 A rated current.
  • Three-pole MCCB configuration.
  • Thermomagnetic TMA trip unit.
  • Adjustable magnetic setting from 1600 to 3200 A.
  • Fixed version with front terminals.
  • Designed for low voltage power distribution and protection.

Reliable Protection for Low Voltage Power Distribution

Moulded case circuit breakers such as the ABB Tmax T4S help protect electrical systems from overloads and short-circuit faults. By interrupting fault currents quickly and reliably, they support safer operation, reduce equipment damage and help maintain continuity in industrial power networks.

The T4S range is widely used by panel builders, electrical contractors and industrial engineers who require compact, proven and dependable protection for switchboards, machinery panels and low voltage distribution assemblies.

Typical Applications

  • Industrial low voltage power distribution.
  • Electrical switchboards and panel boards.
  • Motor control centres and machinery cabinets.
  • Commercial building electrical systems.
  • OEM equipment and automation panels.
  • Feeder and sub-distribution circuit protection.

Technical Specifications

Tick the specs you need, then view products that match.

Current 320 A
Phase Three Phase
Poles 3-pole
Device Type MCCB
Trip Unit Thermal-magnetic
Manufacturer ABB
Series SACE Tmax T
Model T4S 320 TMA 320-3200 3P F F
Product code 1SDA054263R1
Product type Moulded Case Circuit Breaker
Rated current (In) 320 A
Rated uninterrupted current (Iu) 320 A
Number of poles 3
Trip unit TMA thermomagnetic release
Magnetic adjustment range 1600-3200 A
Rated operational voltage Up to 690 V AC / 750 V DC
Rated insulation voltage (Ui) 1000 V
Rated impulse withstand voltage (Uimp) 8 kV
Short-circuit performance level S
Terminal type Fixed front terminals
Standards IEC
Dimensions (H × W × D) approx. 205 × 105 × 103.5 mm
Weight approx. 2.5 kg

Frequently Asked Questions

What is the ABB 1SDA054263R1 used for?

This MCCB is used to protect low voltage electrical circuits against overloads and short-circuit faults in industrial, commercial and OEM applications.

What is the rated current of this breaker?

The ABB 1SDA054263R1 has a 320 A rated current.

How many poles does this MCCB have?

This model is a three-pole moulded case circuit breaker.

What type of trip unit is fitted?

It is fitted with a TMA thermomagnetic trip unit, providing thermal overload protection and adjustable magnetic short-circuit protection.

Where is this circuit breaker typically installed?

It is typically installed in switchboards, distribution panels, motor control centres and industrial electrical cabinets.

Trusted by Electrical Professionals Worldwide

ABB SACE Tmax moulded case circuit breakers are trusted by panel builders, contractors and industrial engineers for reliable protection, compact installation and proven long-term performance in low voltage electrical systems.