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ABB T4V 250 TMA 250-2500 4P Fixed Front Terminals MCCB - 250 A - 1150 V AC/DC - Photovoltaic/DC

ABB T4V 250 TMA 250-2500 4P Fixed Front Terminals MCCB – 250 A – 1150 V AC/DC – Photovoltaic/DC

ABB T4V 250 TMA 250-2500 4P Fixed Front Terminals MCCB – 250 A – 1150 V AC/DC – Photovoltaic/DC (ABB order code 1SDA054504R1).

SKU: 1SDA054504R1MPN: 1SDA054504R1
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List Price £4,660.14 ex VAT
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£3,495.11 25% OFF
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Manufacturer Lead Time Estimated Delivery 5 weeks
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Why Choose the ABB 1SDA054504R1 T4V 250 MCCB?

The ABB 1SDA054504R1 is a fixed four-pole moulded case circuit breaker (MCCB) from the ABB SACE Tmax T series, designed for high-voltage AC and DC power distribution and circuit protection applications. This T4V 250 circuit breaker combines a thermal-magnetic TMA adjustable trip unit with front terminals for copper cables, providing reliable protection for demanding electrical installations.

Designed for specialised high-voltage applications, the breaker supports operation up to 1,150 V AC and 1,000 V DC. Its four-pole configuration incorporates a fully rated neutral, while the fixed construction provides a straightforward solution for installation within suitable switchboards and electrical distribution assemblies.

With a rated current of 250 A and a TMA thermal-magnetic release with an adjustable magnetic range of 1,250–2,500 A, the 1SDA054504R1 is suited to industrial power distribution and specialised high-voltage protection applications where dependable circuit interruption and switching are required.

Key Advantages

  • Fixed four-pole MCCB designed for high-voltage applications.
  • 250 A rated current for industrial power distribution.
  • Suitable for applications up to 1,150 V AC and 1,000 V DC.
  • Integrated TMA adjustable thermal-magnetic trip unit.
  • Fully rated neutral configuration for four-pole protection.
  • Front terminals designed for copper cable connections.

Key Features

  • ABB SACE Tmax T series.
  • T4V 250 frame size.
  • 250 A rated current.
  • Four-pole configuration with fully rated neutral.
  • TMA thermal-magnetic adjustable trip unit.
  • Adjustable magnetic release range of 1,250–2,500 A.
  • 1,150 V AC maximum rated voltage.
  • 1,000 V DC maximum rated voltage.
  • Fixed mounting construction with front terminals for copper cables.

High-Voltage Power Protection for Industrial Distribution

Moulded case circuit breakers provide controlled interruption and protection against excessive current and electrical faults in power distribution systems. The ABB Tmax T range is designed for industrial and specialised electrical applications requiring robust switching and circuit protection equipment.

The 1SDA054504R1 combines the T4V 250 breaker platform with an adjustable TMA thermal-magnetic trip unit. This configuration allows the protection characteristics to be matched to the requirements of the installation while maintaining four-pole protection with a fully rated neutral.

Typical Applications

  • High-voltage industrial power distribution.
  • Electrical installation protection.
  • Industrial switchboards and distribution assemblies.
  • Transformer and generator protection applications.
  • High-voltage AC distribution systems.
  • High-voltage DC applications up to 1,000 V DC.
  • Specialised electrical and photovoltaic power systems.

Technical Specifications

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Voltage 1150 V AC/DC
Supply Type AC/DC
Product Series ABB Tmax T4V
Mounting Type Fixed
Trip Unit Thermal-magnetic
Application Power distribution
Device Type MCCB
Poles 4-pole
Current 250 A
Manufacturer ABB
Series SACE Tmax T
Model 1SDA054504R1
Product type Moulded case circuit breaker (MCCB)
Breaker type T4V 250
Rated current 250 A
Maximum AC voltage 1,150 V AC
Maximum DC voltage 1,000 V DC
Number of poles 4P
Trip unit TMA thermal-magnetic
Magnetic release range 1,250–2,500 A
Neutral Fully rated neutral
Mounting type Fixed
Terminal arrangement Front terminals for copper cable
Protection standard IEC
Product net dimensions (H × W × D) 205 × 140 × 103.5 mm
Product net weight approx. 3.05 kg
EAN 8015644556068
Manufacturer part number 1SDA054504R1
Rated operational voltage 1150 V AC/DC
Version Fixed (F), front terminals (F)

Frequently Asked Questions

What is the ABB 1SDA054504R1 used for?

The ABB 1SDA054504R1 is a four-pole moulded case circuit breaker used for circuit protection and switching in industrial and high-voltage power distribution applications.

What is the rated current of the ABB 1SDA054504R1?

The breaker has a 250 A rated current.

What voltage can the 1SDA054504R1 operate at?

The breaker is designed for applications up to 1,150 V AC and 1,000 V DC.

What type of trip unit does this circuit breaker have?

The 1SDA054504R1 uses an adjustable TMA thermal-magnetic trip unit with a magnetic release range of 1,250–2,500 A.

How many poles does the ABB 1SDA054504R1 have?

The circuit breaker has a four-pole configuration with a fully rated neutral.

Trusted by Industrial Electrical Engineers Worldwide

ABB SACE Tmax T circuit breakers are used in industrial power distribution and electrical protection systems where dependable circuit interruption, adjustable protection and robust high-voltage performance are required.
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