1SDA071860R1 ABB E4.2V 4000 Ekip G Hi-Touch LSIG 4P FHR Air Circuit Breaker

1SDA071860R1 ABB E4.2V 4000 Ekip G Hi-Touch LSIG 4P FHR Air Circuit Breaker

ABB 1SDA071860R1 is a SACE Emax 2 E4.2V 4000 A four-pole fixed air circuit breaker with rear flat horizontal terminals and an Ekip G Hi-Touch LSIG electronic trip unit for advanced generator and low-voltage power distribution protection.

SKU: 1SDA071860R1MPN: 1SDA071860R1
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List Price £41,240.07 ex VAT
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Why Choose the ABB 1SDA071860R1 Emax 2 Air Circuit Breaker?

The ABB 1SDA071860R1 is a high-performance SACE Emax 2 E4.2V air circuit breaker engineered for advanced protection, control and power management in demanding low-voltage electrical systems. Configured as an E4.2V 4000 Ekip G Hi-Touch LSIG 4p FHR, it combines a rated uninterrupted current of 4000 A with ABB's advanced Ekip G Hi-Touch LSIG electronic trip unit.

This four-pole fixed circuit breaker provides comprehensive LSIG protection, covering long-time overload, selective short-time short-circuit, instantaneous short-circuit and earth-fault conditions. The Ekip G Hi-Touch release is specifically equipped for generator protection applications and incorporates advanced measurement and power-quality functionality, including Ekip Measuring Pro and Network Analyzer capabilities.

With the E4.2V high-performance frame, the 1SDA071860R1 delivers a rated ultimate short-circuit breaking capacity of 150 kA at 380–440 V AC and 100 kA at 500–690 V AC, together with a rated short-time withstand current of 100 kA for 1 s. Its fixed four-pole construction and rear flat horizontal terminals make it suitable for high-current switchboards, generator systems and critical power distribution installations.

Key Advantages

  • High-performance ABB SACE Emax 2 E4.2V air circuit breaker for demanding low-voltage power systems.
  • 4000 A rated uninterrupted current for high-current distribution and generator applications.
  • 150 kA ultimate short-circuit breaking capacity at 380–440 V AC.
  • 100 kA short-time withstand current for 1 s for exceptional fault-current performance.
  • Advanced Ekip G Hi-Touch LSIG electronic trip unit with generator-specific protection functions.
  • Integrated Ekip Measuring Pro and Network Analyzer functionality for advanced electrical measurement and power-quality analysis.

Key Features

  • ABB SACE Emax 2 E4.2V series.
  • 4000 A rated uninterrupted current (Iu).
  • Four-pole configuration.
  • Fixed mounting construction.
  • Rear flat horizontal terminals (FHR).
  • Ekip G Hi-Touch LSIG electronic trip unit.
  • LSIG protection for long-time overload, short-time short-circuit, instantaneous short-circuit and earth-fault conditions.
  • 690 V AC rated operational voltage.
  • 150 kA Icu at 380–440 V AC and 100 kA Icu at 500–690 V AC.
  • Generator-specific protection, advanced measurement and integrated Network Analyzer functionality.

Advanced Generator and Power Distribution Protection

Air circuit breakers such as the ABB SACE Emax 2 provide protection, switching and isolation for high-current low-voltage electrical networks. The E4.2V frame combines a 4000 A continuous-current rating with exceptional fault interruption capability, including 150 kA breaking capacity at common low-voltage distribution levels and 100 kA short-time withstand capability for 1 s.

The Ekip G Hi-Touch LSIG electronic trip unit extends comprehensive LSIG circuit protection with generator-specific protection functions, Ekip Measuring Pro and an integrated Network Analyzer. These capabilities make the 1SDA071860R1 particularly suitable for generator systems, critical power installations and sophisticated distribution networks requiring advanced protection, measurement and power-quality supervision.

Typical Applications

  • Generator protection and power management systems.
  • Main incoming protection for high-current low-voltage switchboards.
  • Industrial power distribution systems.
  • Critical infrastructure and mission-critical electrical installations.
  • High-current feeder and distribution protection.
  • Systems requiring advanced LSIG protection, measurement and power-quality analysis.

Technical Specifications

Series SACE Emax 2
Frame E4.2V
ABB order code 1SDA071860R1
Product type Air circuit breaker
Rated uninterrupted current (Iu) 4000 A
Number of poles 4
Trip unit Ekip G Hi-Touch LSIG
Release type Electronic
Protection functions LSIG
Overload protection adjustment 0.4–1 × In
Overload release current range 1600–4000 A
Short-time protection adjustment 0.6–10 × In
Short-time short-circuit adjustment range 2400–40000 A
Instantaneous protection adjustment 1.5–15 × In
Instantaneous short-circuit adjustment range 6000–60000 A
Earth-fault protection adjustment 0.1–1 × In
Integrated earth-fault protection Yes
Generator-specific protection Yes
Measurement functionality Ekip Measuring Pro
Power-quality analysis Integrated Network Analyzer
Rated operational voltage (Ue) 690 V AC
Rated insulation voltage (Ui) 1000 V AC
Frequency 50/60 Hz
Rated ultimate short-circuit breaking capacity (Icu) at 380 V AC 150 kA
Rated ultimate short-circuit breaking capacity (Icu) at 400/415 V AC 150 kA
Rated ultimate short-circuit breaking capacity (Icu) at 440 V AC 150 kA
Rated ultimate short-circuit breaking capacity (Icu) at 500/525 V AC 100 kA
Rated ultimate short-circuit breaking capacity (Icu) at 690 V AC 100 kA
Rated short-time withstand current (Icw), 1 s 100 kA
Mounting version Fixed
Terminal arrangement Rear flat horizontal
Product net width 510 mm
Product net height 371 mm
Product net depth 270 mm
Product net weight 70 kg
EAN 8015644757106
Standard IEC 60947-2
Product group Emax2 Air Circuit Breaker

Frequently Asked Questions

What is the ABB 1SDA071860R1 used for?

The ABB 1SDA071860R1 is a 4000 A four-pole air circuit breaker designed for advanced protection, switching and power management in high-current low-voltage distribution and generator systems.

What trip unit is fitted to the ABB 1SDA071860R1?

The breaker is fitted with an Ekip G Hi-Touch LSIG electronic trip unit providing advanced configurable protection, generator-specific functions, measurement and power-quality analysis.

What protection functions does the Ekip G Hi-Touch LSIG provide?

The LSIG configuration provides long-time overload, short-time short-circuit, instantaneous short-circuit and earth-fault protection, together with additional functions designed for generator applications.

What is the current rating of the ABB 1SDA071860R1?

The E4.2V circuit breaker has a rated uninterrupted current of 4000 A, with overload protection adjustable from 1600 A to 4000 A.

What is the breaking capacity of the ABB 1SDA071860R1?

The E4.2V 4000 configuration has a rated ultimate short-circuit breaking capacity of 150 kA at 380–440 V AC and 100 kA at 500–690 V AC.

Does the ABB 1SDA071860R1 provide earth-fault protection?

Yes. Its Ekip G Hi-Touch LSIG trip unit incorporates adjustable earth-fault protection alongside long-time, short-time and instantaneous protection functions.

Does the ABB 1SDA071860R1 include power-quality monitoring?

Yes. The Ekip G Hi-Touch configuration incorporates Ekip Measuring Pro and an integrated Network Analyzer for advanced electrical measurement and power-quality monitoring.

Is the ABB 1SDA071860R1 fixed or withdrawable?

This model is a fixed four-pole circuit breaker equipped with rear flat horizontal terminals.

Trusted by Power Distribution Professionals Worldwide

ABB SACE Emax 2 air circuit breakers are engineered for advanced protection, control and management of demanding low-voltage electrical networks, combining high fault interruption performance with sophisticated electronic protection, measurement and generator management capabilities.