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1sda054491r1 t5h 630 tma 500-5000 4 pole abb mccb
ABB 1SDA054491R1 SACE Tmax T5H moulded case circuit breaker with 500 A rating, TMA thermal magnetic release, four-pole fixed construction, front terminals and fully rated neutral for industrial power distribution.
£3,829.13
Why Choose the ABB 1SDA054491R1 Tmax T5H Moulded Case Circuit Breaker?
The ABB 1SDA054491R1 is a high performance Tmax T5H moulded case circuit breaker (MCCB) designed to provide reliable protection for low voltage electrical distribution systems. As part of the proven ABB SACE Tmax T series, this circuit breaker is engineered for industrial, commercial and infrastructure applications where dependable overload and short circuit protection is required.
This model features a 500 A rated current within a 630 A frame size and is fitted with a TMA thermal magnetic release. The release provides thermal overload protection together with adjustable instantaneous magnetic short circuit protection from 2500 to 5000 A, making it suitable for demanding feeder protection and industrial power distribution.
With a fixed four-pole construction, front terminals and a fully rated neutral, the ABB 1SDA054491R1 is ideal for three-phase plus neutral installations, switchboards, distribution panels and motor control centres requiring robust and reliable circuit protection.
Key Advantages
- High performance ABB Tmax T5H moulded case circuit breaker.
- 500 A rated current in a 630 A frame size.
- Four-pole fixed configuration with fully rated neutral.
- TMA thermal magnetic trip unit with adjustable magnetic protection.
- Front terminal connections for switchboard and panel mounting.
- High breaking capacity for dependable fault interruption.
Key Features
- ABB SACE Tmax T series.
- Model: T5H 630 TMA 500-5000.
- 500 A rated current.
- 630 A frame size.
- Four-pole (4P) MCCB configuration.
- Fully rated neutral InN=100%In.
- TMA thermal magnetic release.
- Designed in accordance with IEC 60947-2.
Reliable Protection for Industrial Power Distribution
The ABB Tmax T5H range is designed to protect electrical installations by detecting overload and short circuit conditions quickly and reliably. The TMA thermal magnetic release provides dependable thermal overload protection with adjustable magnetic short circuit protection, helping reduce equipment damage and maintain system continuity.
The ABB 1SDA054491R1 is particularly suitable for three-phase plus neutral systems requiring four-pole protection with a fully rated neutral. Its compact moulded case design, high breaking capacity and proven ABB engineering make it a strong choice for modern switchboards and low voltage electrical infrastructure.
Typical Applications
- Industrial power distribution systems.
- Main incoming and outgoing feeders.
- Three-phase plus neutral electrical installations.
- Commercial distribution boards.
- Motor control centres.
- Infrastructure and utility power systems.
Technical Specifications
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| Current | 500 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 70 kA | |
| Trip Unit | Thermal-magnetic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Model | T5H 630 TMA 500-5000 4p F F InN=100%In | |
| Product code | 1SDA054491R1 | |
| EAN | 8015644555887 | |
| Product type | Moulded case circuit breaker (MCCB) | |
| Rated current (In) | 500 A | |
| Rated uninterrupted current (Iu) | 630 A | |
| Frame size | T5 630 | |
| Number of poles | 4 | |
| Neutral rating | Fully rated neutral, InN=100%In | |
| Trip unit | TMA thermal magnetic release | |
| Release type | Thermal magnetic | |
| Instantaneous setting | 2500-5000 A | |
| Rated operational voltage | 690 V AC / 750 V DC | |
| Rated insulation voltage (Ui) | 1000 V | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Rated ultimate breaking capacity (Icu) | 70 kA at 400 V AC | |
| Rated service breaking capacity (Ics) | 70 kA at 400 V AC | |
| Short-time withstand current (Icw) | 5 kA for 1 s | |
| Terminal type | Fixed front terminals | |
| Mounting | Panel mounted | |
| Electrical durability | 5,000 cycles | |
| Mechanical durability | 20,000 cycles | |
| Standards | IEC 60947-2 | |
| Dimensions (H × W × D) | 205 × 186 × 103.5 mm | |
| Weight | Approx. 5.8 kg |
Frequently Asked Questions
What is the ABB 1SDA054491R1 used for?
It is used to protect low voltage electrical distribution systems against overloads and short circuits in industrial, commercial and infrastructure installations.
What is the rated current of this MCCB?
The ABB 1SDA054491R1 has a rated current of 500 A within a 630 A frame size.
How many poles does this circuit breaker have?
This model has a four-pole (4P) configuration, making it suitable for three-phase plus neutral electrical systems.
What does InN=100%In mean?
It means the neutral pole is fully rated, so the neutral current rating is equal to the rated phase current of the breaker.
Which trip unit is fitted?
The breaker is fitted with a TMA thermal magnetic release with adjustable short circuit protection from 2500 to 5000 A.
Trusted by Electrical Professionals Worldwide
ABB SACE Tmax moulded case circuit breakers are trusted by electrical engineers, panel builders and industrial maintenance teams worldwide for dependable circuit protection, compact installation and long-term reliability in demanding power distribution applications.
