Why Choose the ABB XT5N 400 Ekip Dip LSIG 400A 4-Pole MCCB?
The ABB XT5N 400 Ekip Dip LSIG, manufacturer order code 1SDA100404R1, is a high-performance 400 A four-pole moulded case circuit breaker (MCCB) designed to protect low-voltage electrical distribution systems against overloads, short circuits and earth faults. Part of ABB's SACE Tmax XT circuit breaker family, this device combines a 400 A frame, electronic protection and fixed front-terminal connections in a compact industrial circuit breaker.
Equipped with an Ekip Dip LSIG electronic trip unit, the XT5N 400 provides four key protection functions: long-time overload protection (L), short-time short-circuit protection (S), instantaneous short-circuit protection (I) and ground-fault protection (G). These functions allow electrical engineers to coordinate protection settings according to the requirements of the connected installation.
The four-pole configuration makes the breaker suitable for appropriately designed three-phase systems incorporating a neutral conductor. Its fixed mounting arrangement and front terminals support integration into industrial distribution boards, switchboards and electrical control panels.
ABB identifies this exact configuration as XT5N 400 Ekip Dip LSIG In=400 4p F F. The N denotes the normal breaking-capacity version within the XT5 range, while the precise short-circuit breaking capacity must be checked at the intended operating voltage using the manufacturer's technical data.
Key Advantages
- 400 A rated current for substantial low-voltage electrical distribution circuits.
- Four-pole construction for three-phase installations requiring a fourth switched pole.
- Ekip Dip LSIG electronic trip unit provides comprehensive circuit protection.
- Long-time overload protection (L) helps protect conductors and equipment against sustained overcurrent.
- Short-time protection (S) supports selective short-circuit protection coordination.
- Instantaneous protection (I) provides rapid response to severe short-circuit conditions.
- Ground-fault protection (G) provides an additional protection function for suitable earthing systems.
- Adjustable electronic protection settings enable application-specific protection coordination.
- Fixed circuit breaker design for permanent switchboard and panel installation.
- Front terminal connections provide a practical electrical connection arrangement.
- ABB SACE Tmax XT technology from an established industrial circuit protection range.
- Electronic protection provides greater setting flexibility than basic fixed thermal-magnetic protection.
- Suitable for industrial and commercial power distribution when correctly selected.
- Manual switching and circuit isolation functions subject to the applicable installation requirements.
- Manufacturer-specific identification supports accurate specification and replacement.
Key Features
- Manufacturer: ABB.
- Manufacturer order code: 1SDA100404R1.
- Product designation: XT5N 400 Ekip Dip LSIG In=400 4p F F.
- Product family: ABB SACE Tmax XT.
- Product series: XT5.
- Product type: Moulded case circuit breaker.
- Frame size: 400 A.
- Rated current (In): 400 A.
- Number of poles: 4.
- Breaking-capacity version: N.
- Trip unit: Ekip Dip LSIG.
- Long-time protection: L.
- Short-time protection: S.
- Instantaneous protection: I.
- Ground-fault protection: G.
- Trip technology: Electronic.
- Mounting arrangement: Fixed (F).
- Terminal arrangement: Front terminals (F).
- Protection setting interface: Ekip Dip adjustment controls.
- Primary application: Low-voltage power distribution protection.
Technical Specifications
- Brand: ABB
- Manufacturer article number: 1SDA100404R1
- ABB order code: 1SDA100404R1
- Manufacturer product description: XT5N 400 Ekip Dip LSIG In=400 4p F F
- Supplied product group: T-Max XT 250 Range
- Actual breaker series: ABB SACE Tmax XT5
- Product category: Moulded case circuit breakers (MCCBs)
- Product type: Electronic-trip moulded case circuit breaker
- Frame designation: XT5N 400
- Frame current: 400 A
- Rated current (In): 400 A
- Number of poles: 4
- Trip unit model: Ekip Dip LSIG
- Protection technology: Electronic
- Long-time protection (L): Included
- Short-time protection (S): Included
- Instantaneous protection (I): Included
- Ground-fault protection (G): Included
- Breaking-capacity classification: N
- Installation version: Fixed
- Terminal type: Front terminals
- Operating method: Manual switching with automatic protective tripping
- Application: Low-voltage electrical distribution
- Rated operational voltage: Confirm from the exact ABB technical datasheet
- Rated insulation voltage (Ui): Confirm from the exact ABB technical datasheet
- Rated impulse withstand voltage (Uimp): Confirm from the exact ABB technical datasheet
- Ultimate short-circuit breaking capacity (Icu): Confirm at the applicable operating voltage
- Service short-circuit breaking capacity (Ics): Confirm at the applicable operating voltage
- Neutral protection configuration: Verify the relevant ABB settings and installation requirements
- Protection adjustment ranges: Refer to the Ekip Dip LSIG technical documentation
- Auxiliary accessories: Check compatibility and whether supplied separately
- Product dimensions: Refer to the ABB XT5 dimensional drawings
- Product weight: Refer to the exact ABB product documentation
- EAN: 8056221004817
- Relevant product standard: IEC/EN 60947-2, subject to product certification
Advanced Ekip Dip LSIG Electronic Circuit Protection
The ABB XT5N 400 Ekip Dip LSIG provides advanced circuit protection for low-voltage distribution systems. Unlike a basic switch disconnector, this MCCB is designed to automatically interrupt fault currents when the electronic trip unit detects conditions exceeding its configured protection thresholds.
The long-time (L) protection function responds to sustained overloads that could otherwise overheat cables or connected equipment. Its adjustable settings allow engineers to align the protection characteristic with the circuit's design current, conductor capacity and operating requirements.
The short-time (S) protection function responds to short-circuit currents with an adjustable delay characteristic, where supported by the selected settings. This is particularly valuable in distribution systems requiring discrimination between upstream and downstream protective devices. Correct coordination must be established using ABB's time-current curves and the available fault-current data.
The instantaneous (I) protection function is intended to interrupt high short-circuit currents rapidly, limiting the duration of severe electrical faults. The ground-fault (G) protection function provides additional protection against specified earth-fault conditions. Its suitability and settings depend on the system earthing arrangement and the wider protective design.
The four-pole construction is relevant to three-phase distribution systems where the neutral conductor also needs to be switched. However, the treatment of the neutral, including any associated protection settings, must be selected according to the supply arrangement and applicable electrical standards.
The fixed front-terminal configuration is designed for installation in electrical panels and switchboards. Engineers must verify available mounting space, conductor or busbar connections, terminal accessories, ventilation and required clearances against the ABB installation documentation.
The breaker belongs to the XT5N 400 range, with the N designation identifying its breaking-capacity class. The actual Icu and Ics short-circuit ratings are voltage-dependent and must be confirmed before specifying the MCCB. The selected breaking capacity must be appropriate for the prospective fault current at the installation point.
Typical Applications
- 400 A low-voltage distribution circuit protection.
- Three-phase four-pole electrical distribution systems.
- Industrial main and sub-distribution boards.
- Commercial building electrical switchboards.
- Manufacturing and production facilities.
- Industrial electrical control panels.
- Machinery supply circuit protection.
- Power distribution systems requiring electronic overload and short-circuit protection.
- Installations requiring adjustable protection coordination.
- Circuits requiring ground-fault protection functionality.
- OEM electrical equipment and switchgear assemblies.
- Electrical panel upgrades requiring a 400 A four-pole electronic-trip MCCB.
