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1SDA063068R1 ABB T7L1600 PR331/P LSIG 1600A 4-Pole Circuit Breaker
ABB 1SDA063068R1 is a Tmax T7L1600 four-pole fixed moulded case circuit breaker rated at 1600 A with a PR331/P LSIG electronic trip unit, integrated ground-fault protection and 120 kA breaking capacity at 380/415 V AC.
£14,856.50
Why Choose the ABB T7L1600 PR331/P LSIG 1600A 4-Pole Circuit Breaker?
The ABB 1SDA063068R1 is a high-performance Tmax T7L moulded case circuit breaker (MCCB) designed for protection and control of high-current low-voltage power distribution circuits. As part of the proven ABB Tmax T7 series, this fixed circuit breaker combines a 1600 A rated current, four-pole configuration and advanced electronic protection for demanding commercial and industrial electrical installations.
This T7L circuit breaker is equipped with an ABB PR331/P LSIG electronic trip unit, providing long-time overload, short-time selective, instantaneous short-circuit and ground-fault protection. Its adjustable electronic protection functions enable the breaker to be coordinated with other protective devices while providing comprehensive protection for power distribution systems.
With an ultimate short-circuit breaking capacity of 120 kA at 380/415 V AC and a rated operational voltage of up to 690 V AC, the T7L1600 is engineered for installations with high prospective fault currents. This version features a fixed four-pole construction with front terminals and lever operating mechanism, making it suitable for switchboards, distribution panels and industrial power systems.
Key Advantages
- High-capacity ABB Tmax T7L moulded case circuit breaker for demanding power distribution applications.
- 1600 A rated current with an adjustable overload setting from 640–1600 A.
- 120 kA ultimate breaking capacity at 380/415 V AC for high fault-current installations.
- Four-pole configuration for comprehensive multi-conductor circuit protection.
- PR331/P electronic trip unit with LSIG protection functions.
- Integrated ground-fault protection for enhanced electrical system safety.
- Fixed construction with front terminals for switchboard installation.
Key Features
- ABB Tmax T7L 1600 series.
- 1600 A rated permanent current.
- 4-pole circuit breaker.
- PR331/P LSIG solid-state electronic trip unit.
- Long-time overload protection.
- Short-time selective short-circuit protection.
- Instantaneous short-circuit protection.
- Integrated ground-fault protection.
- 120 kA Icu at 380/415 V AC.
- 690 V AC rated operational voltage.
- Fixed mounting configuration with front terminals.
- Lever-operated manual switching mechanism.
- IP20 protection rating.
Reliable LSIG Protection for Power Distribution
Moulded case circuit breakers such as the ABB Tmax T7 protect electrical distribution systems against overloads and short circuits while providing dependable circuit switching and isolation. The T7L frame combines a high continuous-current capability with substantial short-circuit interruption performance, making it particularly suitable for main distribution boards and industrial switchgear.
The PR331/P electronic trip unit provides LSIG protection comprising long-time, short-time, instantaneous and ground-fault functions. This combination enables comprehensive protection against overloads, high-current faults and earth faults while allowing protection settings to be coordinated with upstream and downstream devices in complex electrical distribution systems.
Typical Applications
- Main low-voltage distribution switchboards.
- Industrial power distribution systems.
- Commercial building electrical distribution.
- Manufacturing plants and production facilities.
- Infrastructure and utility installations.
- High-current feeder and distribution circuit protection.
Technical Specifications
| Series | Tmax T7 |
|---|---|
| ABB order code | 1SDA063068R1 |
| Product type | Moulded case circuit breaker (MCCB) |
| Frame | T7L 1600 |
| Rated permanent current (Iu) | 1600 A |
| Overload release setting | 640–1600 A |
| Number of poles | 4 |
| Trip unit | PR331/P |
| Protection functions | LSIG |
| Ultimate breaking capacity (Icu) at 220/230 V AC | 200 kA |
| Ultimate breaking capacity (Icu) at 380/415 V AC | 120 kA |
| Ultimate breaking capacity (Icu) at 440 V AC | 100 kA |
| Ultimate breaking capacity (Icu) at 500 V AC | 85 kA |
| Ultimate breaking capacity (Icu) at 690 V AC | 50 kA |
| Rated operational voltage | 690 V AC |
| Short-time delayed short-circuit adjustment | 960–16000 A |
| Instantaneous short-circuit adjustment | 2400–19200 A |
| Ground-fault protection | Integrated |
| Mounting type | Fixed |
| Terminal arrangement | Front terminals |
| Main circuit connection | Bolt connection |
| Operating mechanism | Lever / toggle |
| Protection rating | IP20 |
| Dimensions (H × W × D) | approx. 268 × 235 × 154 mm |
| Weight | approx. 9.9 kg |
| ABB product group | 310511-T-Max T4 - T8 |
Frequently Asked Questions
What is the ABB 1SDA063068R1 used for?
This Tmax T7L moulded case circuit breaker is used to protect and control high-current low-voltage power distribution circuits against overloads, short circuits and ground faults.
What is the rated current of this circuit breaker?
The ABB 1SDA063068R1 has a rated permanent current of 1600 A, with an overload release setting range of 640–1600 A.
What protection functions are provided by the PR331/P trip unit?
The PR331/P trip unit provides LSIG protection, comprising long-time overload, short-time selective, instantaneous short-circuit and ground-fault protection.
What is the breaking capacity of the T7L1600?
This T7L version has an ultimate short-circuit breaking capacity of 120 kA at 380/415 V AC, making it suitable for installations with high prospective fault currents.
How is the ABB 1SDA063068R1 installed?
This model is a fixed four-pole circuit breaker with front terminals and a lever operating mechanism, intended for integration into low-voltage switchboards and power distribution assemblies.
Trusted by Electrical Professionals Worldwide
ABB Tmax circuit breakers are widely used in commercial and industrial power distribution systems where dependable electronic protection, high breaking capacity and robust electrical performance are required.
