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ABB MCCB 1sda054207r1-t4h 250 tmd 20-320 3 pole
ABB 1SDA054207R1 SACE Tmax T4H 250 three-pole moulded case circuit breaker with thermal magnetic TMD release for industrial power distribution.
Why Choose the ABB 1SDA054207R1 Tmax T4H Moulded Case Circuit Breaker?
The ABB 1SDA054207R1 is a high-performance Tmax T4H moulded case circuit breaker (MCCB) designed to provide dependable protection against overloads and short circuits in industrial and commercial electrical installations. As part of the trusted ABB SACE Tmax T series, it combines reliable thermal magnetic protection with a compact, panel-mounted design suitable for demanding power distribution applications.
Featuring a 250 A frame size with a 20 A thermal magnetic TMD release, this breaker delivers excellent protection while maintaining high interrupting capacity. Its fixed three-pole configuration and front terminal connections simplify installation in switchboards, distribution panels and OEM equipment.
Designed to IEC standards, the ABB Tmax T4H range is widely used by panel builders, machine manufacturers and industrial engineers requiring dependable circuit protection, long service life and consistent performance under demanding operating conditions.
Key Advantages
- High-performance ABB SACE Tmax T4H moulded case circuit breaker.
- 250 A frame with 20 A thermal magnetic protection.
- Three-pole fixed version for industrial power distribution.
- High breaking capacity for demanding fault conditions.
- Compact panel-mounted design with front terminal connections.
- Reliable overload and short-circuit protection.
Key Features
- Manufacturer: ABB
- Series: SACE Tmax T
- Model: T4H 250 TMD 20-320 3P F F
- Product ID: 1SDA054207R1
- 250 A frame size.
- 20 A thermal magnetic TMD release.
- Fixed three-pole configuration.
- Front terminal connections.
- Rated operational voltage up to 690 V AC.
- Suitable for industrial switchboards and OEM equipment.
Reliable Protection for Industrial Power Distribution
The ABB Tmax T4H series is engineered to protect electrical circuits against overloads and short-circuit faults while ensuring continuity of service in industrial environments. Its robust design delivers dependable operation even under demanding electrical conditions.
Thermal magnetic protection responds rapidly to fault conditions while maintaining reliable protection during normal operating loads. The compact construction makes installation straightforward in switchboards, motor control centres and distribution systems.
Typical Applications
- Industrial power distribution panels.
- Motor control centres.
- Machine building and OEM equipment.
- Commercial electrical installations.
- Manufacturing facilities.
- Infrastructure and utility applications.
Technical Specifications
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| Current | 20 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 100 kA | |
| Trip Unit | Thermal-magnetic | |
| Manufacturer | ABB | |
| Series | SACE Tmax T | |
| Product ID | 1SDA054207R1 | |
| Extended product type | T4H 250 TMD 20-320 3P F F | |
| Product type | Moulded Case Circuit Breaker (MCCB) | |
| Frame size | T4H 250 | |
| Release type | Thermal Magnetic (TMD) | |
| Rated current (In) | 20 A | |
| Rated uninterrupted current (Iu) | 250 A | |
| Number of poles | 3 | |
| Rated operational voltage | Up to 690 V AC / 750 V DC | |
| Rated insulation voltage (Ui) | 1000 V | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Rated ultimate breaking capacity (Icu) | Up to 100 kA at 230 V AC | |
| Terminal type | Front terminals | |
| Mounting | Fixed | |
| Dimensions (H × W × D) | Approx. 205 × 105 × 103.5 mm | |
| Weight | Approx. 2.35 kg | |
| Standards | IEC 60947 |
Frequently Asked Questions
What is the ABB 1SDA054207R1 used for?
This moulded case circuit breaker protects electrical systems against overloads and short circuits in industrial and commercial power distribution installations.
How many poles does this circuit breaker have?
The ABB 1SDA054207R1 is supplied in a three-pole fixed configuration.
What type of trip unit is fitted?
This breaker features a thermal magnetic TMD release providing reliable overload and short-circuit protection.
What is the frame size?
The breaker uses the ABB Tmax T4H 250 frame with a rated uninterrupted current of 250 A.
Where is this MCCB typically installed?
It is commonly installed within industrial switchboards, distribution panels, motor control centres and OEM electrical equipment.
Trusted by Electrical Professionals Worldwide
ABB SACE Tmax moulded case circuit breakers are trusted worldwide by panel builders, OEMs and industrial engineers for dependable electrical protection, high breaking capacity and long-term operational reliability.
