1SDA125644R1 ABB E1.3N 1600 Ekip Aware LSI 4-Pole Withdrawable Air Circuit Breaker

1SDA125644R1 ABB E1.3N 1600 Ekip Aware LSI 4-Pole Withdrawable Air Circuit Breaker

ABB 1SDA125644R1 is a four-pole 1600 A SACE Emax 3 E1.3N withdrawable air circuit breaker moving part with an Ekip Aware LSI electronic trip unit for low-voltage power distribution protection.

SKU: 1SDA125644R1MPN: 1SDA125644R1
Price
List Price £8,938.74 ex VAT
Your Price (ex VAT) Save 25%
£6,704.06 25% OFF
You save £2,234.69 per unit
Manufacturer Lead Time Estimated Delivery 5 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) £6,704.06
Trade pricing is personalised to your account

Manufacturer Lead Time

£6,704.06

Why Choose the ABB 1SDA125644R1 E1.3N 1600 Ekip Aware LSI Air Circuit Breaker?

The ABB 1SDA125644R1, designated E1.3N 1600 Ekip Aware LSI 4p WMP, is a high-performance SACE Emax 3 air circuit breaker moving part designed for protection, switching and isolation in low-voltage power distribution systems. This E1.3N configuration combines a 1600 A rated current with an Ekip Aware electronic trip unit and comprehensive LSI protection functions.

Designed for industrial, commercial and infrastructure power-distribution applications, the E1.3N 1600 provides electronic protection against overload, delayed short-circuit and instantaneous short-circuit conditions. Its Ekip Aware trip unit supports configurable protection and selective coordination within modern low-voltage switchboards.

This configuration is a four-pole withdrawable moving part for use with the appropriate ABB Emax 3 fixed part. The E1.3N platform provides a rated ultimate short-circuit breaking capacity of 66 kA at 440 V AC and a rated short-time withstand current of 50 kA for 1 s, making it suitable for demanding main and feeder distribution duties.

Key Advantages

  • Advanced ABB SACE Emax 3 air circuit breaker for low-voltage power distribution.
  • 1600 A rated current for high-current distribution applications.
  • Ekip Aware electronic trip unit for intelligent circuit protection.
  • LSI protection functions provide long-time, short-time and instantaneous overcurrent protection.
  • Four-pole configuration for compatible three-phase systems with neutral.
  • 66 kA ultimate short-circuit breaking capacity at 440 V AC.
  • 50 kA short-time withstand current for 1 s.
  • Withdrawable moving-part construction supports convenient isolation, inspection and maintenance.

Key Features

  • ABB Emax 3 E1.3 platform.
  • 1600 A rated current.
  • N performance level.
  • Four-pole breaker configuration.
  • Ekip Aware electronic trip unit.
  • LSI protection functions: long-time, short-time and instantaneous.
  • Withdrawable moving part (WMP).
  • 66 kA Icu at 440 V AC.
  • 50 kA Icw for 1 s.
  • Designed for main, feeder and distribution protection in low-voltage switchgear.

Intelligent Protection for Low-Voltage Power Distribution

Air circuit breakers such as the ABB SACE Emax 3 provide switching, isolation and protection for high-current low-voltage distribution circuits. The E1.3N platform combines compact construction with dependable short-circuit performance and electronic protection, making it suitable for modern switchboards where reliability and selective fault management are important.

The Ekip Aware LSI trip unit provides long-time protection against sustained overloads, short-time protection for selective fault coordination and instantaneous protection against severe short circuits. Combined with the withdrawable four-pole E1.3N moving-part construction, these functions make the 1SDA125644R1 well suited to installations requiring dependable 1600 A protection and convenient breaker isolation for servicing.

Typical Applications

  • Low-voltage main distribution switchboards.
  • Industrial power distribution systems.
  • Commercial and infrastructure electrical installations.
  • Main incomer and feeder circuit protection.
  • Bus-coupler and distribution-section switching.
  • Manufacturing and process-industry switchgear.

Technical Specifications

Product group Emax 3
Series SACE Emax 3 E1.3
ABB order code 1SDA125644R1
Product type Air circuit breaker moving part
Breaker frame E1.3
Performance level N
Rated current 1600 A
Number of poles 4
Trip unit Ekip Aware
Release technology Electronic
Protection functions LSI
Long-time protection L
Short-time protection S
Instantaneous protection I
Rated ultimate short-circuit breaking capacity (Icu) at 440 V AC 66 kA
Rated short-time withstand current (Icw, 1 s) 50 kA
Execution Withdrawable moving part (WMP)
Application Low-voltage power distribution and circuit protection
EAN 8056221261968

Frequently Asked Questions

What is the ABB 1SDA125644R1 used for?

The ABB 1SDA125644R1 is an Emax 3 air circuit breaker moving part used for switching, isolation and electronic overcurrent protection in low-voltage power distribution systems.

What is the rated current of the ABB E1.3N 1600?

This E1.3N configuration has a rated current of 1600 A.

Which trip unit is fitted to the ABB 1SDA125644R1?

The breaker is fitted with an Ekip Aware electronic trip unit with LSI protection functions.

What protection functions does LSI provide?

LSI provides long-time, short-time and instantaneous overcurrent protection, supporting overload protection, selective short-circuit coordination and rapid interruption of severe faults.

Is the ABB 1SDA125644R1 fixed or withdrawable?

The ABB 1SDA125644R1 is the four-pole withdrawable moving part (WMP) of the air circuit breaker, designed for use with the appropriate ABB SACE Emax 3 fixed part.

Trusted ABB Power Distribution Technology

ABB SACE Emax 3 air circuit breakers combine advanced electronic protection with robust switching technology to support reliable, selective and intelligent low-voltage power distribution in demanding electrical installations.