Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
ABB 1SDA056919R1 E4V4000 PR123/P-LSIG is a 4000 A three-pole fixed SACE Emax air circuit breaker with advanced electronic LSIG protection for demanding high-current low-voltage power distribution systems.
£36,428.61
The ABB 1SDA056919R1, product type E4V4000PR123/P-LSIGIn=4000A3pF, is a high-performance SACE Emax air circuit breaker (ACB) designed for protection and switching in demanding low-voltage electrical distribution systems. Part of the advanced ABB SACE Emax E4V series, this three-pole fixed circuit breaker combines a 4000 A current rating with the advanced PR123/P-LSIG electronic overcurrent release.
The E4V4000 is engineered for high-current industrial, commercial and infrastructure power distribution applications where comprehensive protection against overloads, short circuits and earth faults is required. Its PR123/P-LSIG electronic trip unit provides long-time, short-time, instantaneous and ground-fault protection functions, supporting accurate protection and selective coordination within complex electrical distribution networks.
With a rated current of 4000 A and the high short-circuit performance of the E4V platform, this SACE Emax breaker is suitable for substantial power distribution installations with high prospective fault currents. The three-pole fixed configuration provides a robust solution for integration into high-capacity switchboards, while the PR123/P platform adds advanced protection and measurement capabilities for demanding electrical installations.
Air circuit breakers such as the ABB SACE Emax E4V4000 protect low-voltage distribution networks by interrupting potentially damaging currents when abnormal operating conditions occur. The E4V platform combines a high continuous current capability with substantial short-circuit performance, making it suitable for main switchboards, industrial distribution systems and critical installations where high prospective fault currents must be safely controlled.
The PR123/P-LSIG electronic release provides four complementary protection functions. Long-time protection responds to sustained overloads, short-time protection supports selective coordination during fault conditions, instantaneous protection provides rapid interruption of severe short circuits, and ground-fault protection helps protect the installation against earth-fault currents. Its advanced electronic functionality makes the PR123/P particularly suitable for sophisticated power distribution networks requiring comprehensive protection and system monitoring.
| Series | SACE Emax E4V |
|---|---|
| ABB product group | 310513-New Emax |
| ABB order code | 1SDA056919R1 |
| Product designation | E4V4000PR123/P-LSIGIn=4000A3pF |
| Product type | Air circuit breaker |
| Rated current (In) | 4000 A |
| Number of poles | 3 |
| Version | Fixed |
| Trip unit | PR123/P-LSIG |
| Release type | Electronic |
| Protection functions | Long-time, short-time, instantaneous and ground fault (LSIG) |
| Integrated ground-fault protection | Yes |
| Performance level | V |
| Rated operational voltage | up to 690 V AC |
| Rated insulation voltage (Ui) | 1000 V |
| Rated impulse withstand voltage (Uimp) | 12 kV |
| Rated ultimate short-circuit breaking capacity (Icu) at 400 V AC | 150 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 500 V AC | 130 kA |
| Rated ultimate short-circuit breaking capacity (Icu) at 690 V AC | 100 kA |
| Rated short-time withstand current (Icw) | 100 kA for 1 s |
| Standard | IEC |
The ABB 1SDA056919R1 is a SACE Emax E4V air circuit breaker designed for switching and protecting high-current low-voltage electrical distribution systems.
The E4V4000 has a rated current of 4000 A, making it suitable for substantial industrial, commercial and infrastructure power distribution applications.
The PR123/P-LSIG electronic overcurrent release provides long-time overload, short-time short-circuit, instantaneous short-circuit and ground-fault protection functions.
The E4V4000 provides high short-circuit performance, including an ultimate breaking capacity of 150 kA at 400 V AC, 130 kA at 500 V AC and 100 kA at 690 V AC.
The 1SDA056919R1 is a three-pole fixed air circuit breaker designed for installation in high-capacity low-voltage switchgear and electrical distribution assemblies.
ABB SACE Emax air circuit breakers are designed for dependable switching and protection in demanding low-voltage power distribution systems, combining high short-circuit performance with advanced electronic protection for industrial, commercial and infrastructure installations.
We use cookies
We use essential cookies to run this site, your basket and checkout. With your permission we'd also like to use analytics and advertising cookies to understand how the site is used and to measure our adverts.