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1SDA055599R1 ABB E6H/f 6300 PR123/P-LSIG 6300A 4-Pole Withdrawable Air Circuit Breaker Moving Part
ABB 1SDA055599R1 E6H/f 6300 PR123/P-LSIG is a 6300 A four-pole SACE Emax withdrawable air circuit breaker moving part with a full-size neutral and electronic long-time, short-time, instantaneous and earth-fault protection.
£90,251.42
Why Choose the ABB E6H/f 6300 PR123/P-LSIG 6300A 4-Pole Withdrawable Circuit Breaker?
The ABB E6H/f 6300 PR123/P-LSIG, order code 1SDA055599R1, is the moving part of a high-capacity SACE Emax withdrawable air circuit breaker designed for protection and switching in demanding low-voltage power distribution systems. Rated at 6300 A, this four-pole unit combines the E6H/f high-breaking-capacity frame with the advanced PR123/P-LSIG electronic overcurrent release.
The PR123/P-LSIG trip unit provides long-time, short-time, instantaneous and earth-fault protection, delivering comprehensive protection against overloads, short circuits and earth faults. The E6H/f platform is rated for operation up to 690 V AC and provides 100 kA ultimate and service short-circuit breaking capacity at 415 V AC.
This configuration is a four-pole withdrawable moving part with a 100% full-size neutral and is intended for use with the corresponding SACE Emax fixed part. It is fitted with four auxiliary contacts and circuit-breaker open/closed position indication, supporting monitoring and control within high-current switchboards.
Key Advantages
- High-capacity 6300 A SACE Emax air circuit breaker moving part.
- Four-pole configuration with 100% full-size neutral for three-phase and neutral networks.
- Advanced PR123/P-LSIG electronic overcurrent release for comprehensive protection.
- LSIG functions provide long-time, short-time, instantaneous and earth-fault protection.
- 100 kA ultimate and service short-circuit breaking capacity at 415 V AC.
- 100 kA short-time withstand current for 1 s.
- Withdrawable moving-part design supports efficient inspection, servicing and replacement.
- Four auxiliary contacts and open/closed indication support circuit-breaker status monitoring.
Key Features
- ABB SACE Emax E6H/f 6300 air circuit breaker moving part.
- 6300 A rated current.
- Four-pole construction.
- 100% full-size neutral.
- PR123/P-LSIG electronic overcurrent release, R6300.
- Long-time (L) overload protection.
- Short-time (S) selective short-circuit protection.
- Instantaneous (I) short-circuit protection.
- Earth-fault (G) protection.
- 690 V AC rated operational voltage.
- Withdrawable moving-part execution.
- Fitted with four auxiliary contacts and open/closed position indication.
Advanced Withdrawable Protection for High-Current Distribution
Air circuit breakers such as the ABB E6H/f 6300 provide switching and overcurrent protection for high-current low-voltage distribution networks. The PR123/P-LSIG electronic release monitors electrical conditions and initiates circuit-breaker operation when configured protection thresholds are exceeded, helping safeguard cables, busbars, switchgear and connected equipment against overloads, short circuits and earth faults.
The withdrawable moving-part configuration is particularly valuable in critical switchboards where maintenance accessibility and reduced service interruption are important. Combined with the 6300 A E6H/f frame, full-size neutral and comprehensive LSIG electronic protection, this unit is well suited to main distribution positions in large industrial, infrastructure and commercial power systems.
Typical Applications
- Main incomers for high-current low-voltage switchboards.
- Withdrawable power distribution assemblies.
- Industrial manufacturing and process facilities.
- Large commercial and infrastructure electrical systems.
- Power generation and utility distribution installations.
- Transformer secondary and main distribution protection.
- Critical power systems requiring selective and earth-fault protection.
Technical Specifications
| Series | SACE Emax |
|---|---|
| ABB order code | 1SDA055599R1 |
| ABB product group | 310513-New Emax |
| Product type | Air circuit breaker moving part |
| Frame | E6H/f |
| Rated current | 6300 A |
| Rated operational voltage | 690 V AC |
| Rated ultimate short-circuit breaking capacity at 415 V AC | 100 kA |
| Rated service short-circuit breaking capacity at 415 V AC | 100 kA |
| Rated short-time withstand current (1 s) | 100 kA |
| Rated short-time withstand current (3 s) | 85 kA |
| Number of poles | 4 |
| Neutral | Full size, 100% |
| Version | Withdrawable |
| Configuration | Moving part (W MP) |
| Trip unit | PR123/P-LSIG |
| Trip unit rating | R6300 |
| Protection functions | Long-time (L), short-time (S), instantaneous (I), earth-fault (G) |
| Current type | AC |
| Auxiliary contacts | 4 |
| Position indication | Circuit breaker open / closed |
| Electrical durability at ≤440 V | 2000 cycles |
| Electrical durability at 500–690 V | 1500 cycles |
| Mechanical durability | 12000 cycles |
| Product net width | 1062 mm |
| Product net height | 461 mm |
| Product net depth | 396.5 mm |
| Product net weight | 135 kg |
| EAN | 8015644569396 |
Frequently Asked Questions
What is the ABB 1SDA055599R1?
The ABB 1SDA055599R1 is the moving part of a four-pole SACE Emax E6H/f 6300 withdrawable air circuit breaker, rated at 6300 A and equipped with a PR123/P-LSIG electronic overcurrent release.
What protection functions does the PR123/P-LSIG trip unit provide?
The PR123/P-LSIG release provides long-time, short-time, instantaneous and earth-fault protection, designated L, S, I and G, for comprehensive protection against overload and fault conditions.
Is the ABB 1SDA055599R1 fixed or withdrawable?
The 1SDA055599R1 is the moving part of a withdrawable circuit breaker and is designed for use with the corresponding fixed part of the ABB SACE Emax system.
What is the breaking capacity of the ABB E6H/f 6300?
The E6H/f platform provides an ultimate and service short-circuit breaking capacity of 100 kA at 415 V AC, with a short-time withstand current of 100 kA for 1 s.
Where is the E6H/f 6300 PR123/P-LSIG typically used?
It is typically used in high-current industrial, infrastructure and commercial switchboards where dependable 6300 A protection, integrated earth-fault protection and the maintenance advantages of a withdrawable circuit-breaker arrangement are required.
Trusted ABB Protection for Critical Power Systems
ABB SACE Emax air circuit breakers are designed for demanding low-voltage power distribution applications, combining high current capability, advanced electronic protection and serviceable withdrawable configurations for critical industrial, infrastructure and commercial electrical systems.
