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1SDA083654R1 ABB T5V-HA400 TMA400-4000 4-Pole 800 V AC N100% Circuit Breaker
ABB 1SDA083654R1 T5V-HA400 is a 400 A four-pole 800 V AC moulded case circuit breaker with a TMA 400–4000 A thermomagnetic release, 100% rated neutral and 32 kA ultimate breaking capacity at 800 V AC.
£2,443.44
Why Choose the ABB T5V-HA400 TMA400-4000 4p FF 800V AC N100% Circuit Breaker?
The ABB 1SDA083654R1 is a high-performance four-pole moulded case circuit breaker (MCCB) designed for demanding low-voltage AC distribution systems operating at up to 800 V AC. Part of the ABB Tmax T high-voltage AC range, the T5V-HA400 combines a 400 A rated current with a TMA thermomagnetic release for dependable overload and short-circuit protection.
The TMA release is rated 400–4000 A, combining thermal overload protection with instantaneous magnetic short-circuit protection. Its four-pole construction incorporates a 100% rated neutral, making the breaker particularly suitable for three-phase, four-wire distribution systems where full neutral conductor protection and switching are required.
Designed as a fixed circuit breaker with front terminals, the T5V-HA400 offers an ultimate short-circuit breaking capacity of 32 kA at 800 V AC and a service breaking capacity of 16 kA at 800 V AC. Its combination of high operating voltage, robust interruption capability and IEC/CCC compliance makes it suitable for specialised industrial, commercial and renewable-energy power distribution systems.
Key Advantages
- Designed for demanding 800 V AC low-voltage distribution systems.
- 400 A rated current for high-power distribution applications.
- TMA thermomagnetic release provides overload and short-circuit protection.
- 4000 A magnetic protection level for rapid response to severe fault currents.
- Four-pole design with a 100% rated neutral.
- 32 kA ultimate breaking capacity at 800 V AC.
Key Features
- ABB Tmax T5V-HA400 moulded case circuit breaker.
- 400 A rated current.
- 800 V AC rated operational voltage.
- Four-pole configuration.
- 100% rated neutral.
- TMA thermomagnetic trip unit.
- Thermomagnetic release designation of 400–4000 A.
- Ultimate breaking capacity of 32 kA at 800 V AC.
- Service breaking capacity of 16 kA at 800 V AC.
- Fixed execution with front terminals.
High-Performance 800 V AC Circuit Protection
The ABB T5V-HA400 is engineered for electrical systems where conventional lower-voltage MCCBs may not provide the required operational voltage capability. Its 800 V AC rating and 1000 V insulation voltage make it suitable for specialised high-voltage AC distribution architectures while retaining the compact, integrated protection characteristics of a moulded case circuit breaker.
The four-pole configuration provides simultaneous switching across all four poles, while the fully rated neutral supports applications where neutral current may be significant. Combined with the TMA thermomagnetic release and 32 kA Icu at 800 V AC, this provides a robust protection solution for high-power distribution equipment and installations requiring dependable operation at elevated AC voltages.
Typical Applications
- Industrial 800 V AC power distribution systems.
- Three-phase, four-wire distribution with a fully rated neutral.
- Renewable-energy and photovoltaic AC distribution equipment.
- Industrial switchboards and power distribution panels.
- High-power machinery and process installations.
- OEM electrical distribution and protection assemblies.
Technical Specifications
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| Voltage | 800 V AC | |
|---|---|---|
| Device Type | MCCB | |
| Series | Tmax T / T-Max XT 250 Range product group | |
| ABB order code | 1SDA083654R1 | |
| Product type | Moulded case circuit breaker | |
| Frame | T5V-HA400 | |
| Rated current (In) | 400 A | |
| Rated uninterrupted current | 400 A | |
| Trip unit | TMA thermomagnetic release | |
| Release designation | 400–4000 A | |
| Number of poles | 4 | |
| Neutral rating | 100% | |
| Rated operational voltage | 800 V AC | |
| Rated insulation voltage (Ui) | 1000 V | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Rated frequency | 50/60 Hz | |
| Ultimate breaking capacity (Icu) at 800 V AC | 32 kA | |
| Service breaking capacity (Ics) at 800 V AC | 16 kA | |
| Mounting / execution | Fixed | |
| Terminal position | Front | |
| Standards / approvals | IEC / CCC | |
| Mechanical durability | 20,000 operations | |
| Electrical durability at 800 V | 1,000 operations | |
| Dimensions (H × W × D) | 205 × 186 × 103.5 mm | |
| Product net weight | 5.8 kg | |
| EAN | 8015644904968 |
Frequently Asked Questions
What is the ABB 1SDA083654R1 used for?
The ABB 1SDA083654R1 is a 400 A four-pole moulded case circuit breaker designed to provide overload and short-circuit protection in AC electrical distribution systems operating at up to 800 V AC.
What does TMA400-4000 mean on the ABB T5V-HA400?
TMA identifies the breaker's thermomagnetic trip release, while the 400–4000 designation relates to its 400 A rated thermal protection and 4000 A magnetic short-circuit protection level.
What does N100% mean on the ABB 1SDA083654R1?
N100% indicates that the four-pole breaker has a fully rated neutral at 100% of the phase current rating, making it suitable for applications where the neutral conductor requires full-current capability.
What is the breaking capacity of the ABB 1SDA083654R1 at 800 V AC?
The T5V-HA400 has an ultimate short-circuit breaking capacity Icu of 32 kA at 800 V AC and a service breaking capacity Ics of 16 kA at 800 V AC.
How is the ABB 1SDA083654R1 installed?
The 1SDA083654R1 is supplied as a fixed four-pole circuit breaker with front terminals for integration into compatible low-voltage switchboards, distribution panels and electrical assemblies.
Trusted ABB Circuit Protection for High-Voltage AC Distribution
ABB Tmax moulded case circuit breakers provide dependable circuit protection for demanding power distribution applications, combining thermomagnetic protection, robust interruption performance and specialised 800 V AC capability for industrial and renewable-energy electrical systems.
