1SDA059255R1 ABB E1N/MS 1000 A 4-Pole Fixed Switch Disconnector

1SDA059255R1 ABB E1N/MS 1000 A 4-Pole Fixed Switch Disconnector

ABB 1SDA059255R1 is a SACE Emax E1N/MS 1000 A four-pole fixed switch disconnector with horizontal rear terminals for high-current switching and isolation in low-voltage power distribution systems.

SKU: 1SDA059255R1Alt SKU: E1N/MS1000MPN: 1SDA059255R1
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Why Choose the ABB 1SDA059255R1 E1N/MS 1000 Switch Disconnector?

The ABB 1SDA059255R1 is a robust SACE Emax E1N/MS 1000 switch disconnector designed for high-current switching and isolation in low-voltage power distribution systems. Identified as E1N/MS 1000 4p F HR new, it combines a 1000 A rated current, four-pole construction and fixed mounting for demanding industrial and commercial switchgear.

As part of the established ABB SACE Emax range, the E1N/MS provides dependable circuit switching and isolation for low-voltage distribution assemblies. Its N performance level provides a rated short-time withstand current of 50 kA for 1 s, supporting applications where robust short-circuit withstand capability and reliable isolation are important.

The 1SDA059255R1 features a four-pole fixed construction with horizontal rear terminals, providing a practical arrangement for permanent integration into switchboards and busbar systems. It has a rated uninterrupted current of 1000 A, a rated operational voltage of up to 690 V AC and a rated insulation voltage of 1000 V.

Key Advantages

  • Heavy-duty 1000 A E1N/MS switch disconnector for low-voltage distribution.
  • Four-pole configuration for switching and isolation across four conductors.
  • Fixed construction for permanent switchboard installation.
  • Horizontal rear terminals provide a practical connection arrangement for switchgear.
  • Rated operational voltage up to 690 V AC.
  • 50 kA short-time withstand current for 1 s for demanding distribution systems.
  • Part of the proven ABB SACE Emax low-voltage switching platform.

Key Features

  • ABB SACE Emax E1N/MS switch disconnector.
  • 1000 A rated current.
  • Four-pole construction.
  • Fixed (F) execution.
  • Horizontal rear (HR) terminals.
  • 690 V AC rated operational voltage.
  • 1000 V rated insulation voltage.
  • 12 kV rated impulse withstand voltage.
  • 50 kA rated short-time withstand current for 1 s.
  • 36 kA rated short-time withstand current for 3 s.
  • Designed for dependable switching and isolation in low-voltage power distribution equipment.

Reliable Isolation for Low-Voltage Power Distribution

Switch disconnectors provide controlled switching and isolation of electrical circuits, allowing sections of a low-voltage installation to be separated from the supply when required. The ABB SACE Emax E1N/MS combines a high continuous current rating with substantial short-time withstand capability, making it suitable for demanding distribution systems where dependable high-current isolation is essential.

The fixed four-pole design of the 1SDA059255R1 is particularly suited to permanent installation within industrial and commercial switchboards. Its horizontal rear terminals facilitate rear busbar or conductor connections, while the four-pole construction supports applications requiring simultaneous switching and isolation across four conductors.

Typical Applications

  • Low-voltage main distribution switchboards.
  • Industrial power distribution systems.
  • Commercial and infrastructure electrical distribution.
  • Manufacturing and process plant switchgear.
  • High-current feeder switching and isolation.
  • Fixed switchgear requiring four-pole circuit isolation.

Technical Specifications

Series SACE Emax
ABB order code 1SDA059255R1
Product group 310513-New Emax
Product type Switch disconnector
Frame E1N/MS
Rated current 1000 A
Rated uninterrupted current 1000 A
Number of poles 4
Current type AC
Execution Fixed
Terminal arrangement Horizontal rear (HR)
Rated operational voltage 690 V AC
Rated insulation voltage 1000 V
Rated impulse withstand voltage 12 kV
Rated short-time withstand current 50 kA for 1 s
Short-circuit performance level N
Power loss 96 W
Electrical durability 10,000 cycles
Mechanical durability 25,000 cycles
Dimensions (W × H × D) 386 × 418 × 302 mm
Net weight 50 kg
Standards IEC
EAN 8015644616168

Frequently Asked Questions

What is the ABB 1SDA059255R1?

The ABB 1SDA059255R1 is a SACE Emax E1N/MS 1000 four-pole fixed switch disconnector with horizontal rear terminals, designed for high-current switching and isolation in low-voltage distribution systems.

What is the rated current of the ABB 1SDA059255R1?

The E1N/MS switch disconnector has a rated current of 1000 A.

How many poles does the ABB 1SDA059255R1 have?

The 1SDA059255R1 has a four-pole configuration for switching and isolation across four conductors.

Is the ABB 1SDA059255R1 fixed or withdrawable?

The 1SDA059255R1 is a fixed (F) switch disconnector designed for permanent installation within compatible low-voltage switchgear.

What does HR mean in E1N/MS 1000 4p F HR?

HR identifies the horizontal rear terminal arrangement used for the main electrical connections.

What is the short-time withstand current of the ABB 1SDA059255R1?

The E1N/MS 1000 has a rated short-time withstand current of 50 kA for 1 s and 36 kA for 3 s.

Trusted by Electrical Engineers Worldwide

ABB SACE Emax switch disconnectors are designed for dependable high-current switching and isolation in industrial, commercial and infrastructure power distribution systems, combining robust electrical performance with flexible switchboard integration.