1sda060251r1  t6h 630 pr221ds-ls/i in=630 4 pole abb mccb

1sda060251r1 t6h 630 pr221ds-ls/i in=630 4 pole abb mccb

ABB T6H 630 moulded case circuit breaker with PR221DS-LS/I electronic release, 630 A rating, fixed four-pole construction and front terminals for industrial power distribution.

SKU: 1SDA060251R1Alt SKU: T6H 630 PR221DS-LS/I In=630 4p F FMPN: 1SDA060251R1
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List Price £5,648.35 ex VAT
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Manufacturer Lead Time Estimated Delivery 10 weeks
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Manufacturer Lead Time

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Why Choose the ABB T6H 630 PR221DS-LS/I 630 4P Fixed MCCB?

The ABB 1SDA060251R1 is a high-performance SACE Tmax T6H moulded case circuit breaker (MCCB) designed to provide dependable protection for industrial and commercial low-voltage power distribution systems. Featuring a fixed four-pole construction, front terminal connections and a PR221DS-LS/I solid-state electronic release, it delivers accurate overload and short-circuit protection for demanding electrical installations.

As part of the proven ABB SACE Tmax T series, the T6H combines high interrupting performance with intelligent electronic protection. The PR221DS-LS/I release provides adjustable long-time, short-time and instantaneous protection functions, allowing engineers to improve selectivity, maintain system coordination and reduce unnecessary downtime across critical power distribution networks.

With a 630 A rated current, 690 V AC rated operational voltage and a high (H) breaking capacity, the ABB T6H is ideally suited to industrial switchboards, commercial buildings, manufacturing facilities, infrastructure projects and OEM electrical equipment requiring dependable circuit protection.

Key Advantages

  • High-performance ABB SACE Tmax T6H moulded case circuit breaker.
  • 630 A rated current with advanced electronic protection.
  • PR221DS-LS/I electronic trip unit with adjustable protection settings.
  • Four-pole fixed construction with front terminal connections.
  • High interrupting capacity for demanding industrial applications.
  • Reliable overload and short-circuit protection.
  • Designed for long service life and dependable operation.

Key Features

  • ABB SACE Tmax T series.
  • Product code: 1SDA060251R1.
  • T6H 630 frame size.
  • 630 A rated current.
  • PR221DS-LS/I electronic release.
  • Adjustable long-time, short-time and instantaneous protection.
  • Four-pole configuration.
  • Fixed mounting version.
  • Front terminal connections.
  • Suitable for industrial power distribution systems.

Advanced Electronic Protection for Industrial Power Distribution

The ABB Tmax T6H automatically disconnects electrical circuits during overload and fault conditions, helping protect switchgear, transformers, cables and downstream electrical equipment. The PR221DS-LS/I electronic trip unit provides precise protection settings that improve discrimination and coordination throughout low-voltage electrical systems.

Designed for demanding industrial environments, the ABB 1SDA060251R1 delivers the interrupting performance, operational durability and protection reliability expected from ABB's internationally recognised SACE circuit breaker range.

Typical Applications

  • Industrial switchboards.
  • Main incoming and feeder protection.
  • Power distribution panels.
  • Manufacturing facilities.
  • Commercial electrical installations.
  • Infrastructure and utility systems.
  • OEM machinery and electrical equipment.

Technical Specifications

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Current 630 A
Phase Three Phase
Poles 4-pole
Device Type MCCB
Breaking Capacity 70 kA
Trip Unit Electronic
Manufacturer ABB
Series SACE Tmax T
Model T6H 630 PR221DS-LS/I In=630 4P F F
Product ID 1SDA060251R1
EAN 8015644627133
Product type Moulded Case Circuit Breaker (MCCB)
Frame size T6H 630
Rated current (In) 630 A
Rated uninterrupted current (Iu) 630 A
Release PR221DS-LS/I
Release type Electronic
Rated operational voltage 690 V AC
Rated insulation voltage (Ui) 1000 V
Rated impulse withstand voltage (Uimp) 8 kV
Frequency 50 / 60 Hz
Rated ultimate breaking capacity (Icu) Up to 70 kA at 400 V AC
Rated service breaking capacity (Ics) Up to 70 kA at 400 V AC
Short-time withstand current (Icw) 7.6 kA for 1 second
Number of poles 4P
Mounting type Fixed
Terminal type Front terminals
Short-circuit performance level H
Standards IEC
Mechanical durability 20,000 operations
Electrical durability 7,000 operations
Power loss 20 W per pole
Dimensions (H × W × D) 268 × 280 × 103.5 mm
Weight 12 kg

Frequently Asked Questions

What is the ABB 1SDA060251R1 used for?

It is a moulded case circuit breaker designed to protect industrial and commercial electrical systems against overloads and short-circuit faults.

What trip unit does this circuit breaker use?

This model is fitted with a PR221DS-LS/I electronic release, providing adjustable long-time, short-time and instantaneous protection.

What is the rated current of this MCCB?

The ABB 1SDA060251R1 has a 630 A rated current.

How many poles does this breaker have?

This model is supplied as a fixed four-pole moulded case circuit breaker with front terminal connections.

Where is this MCCB typically installed?

It is commonly installed in industrial switchboards, power distribution panels, manufacturing facilities and commercial electrical installations.

Trusted by Electrical Engineers Worldwide

ABB SACE Tmax moulded case circuit breakers are trusted worldwide for delivering dependable protection, advanced electronic trip performance and long-term reliability across industrial and commercial electrical distribution systems.