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ABB T7D/PV 1250 4P Fixed Front Terminals DC Switch-Disconnector – 1250 A – 1100 V DC – Stored Energy Operating Mechanism – Photovoltaic
ABB T7D/PV 1250 4P Fixed Front Terminals DC Switch-Disconnector – 1250 A – 1100 V DC – Stored Energy Operating Mechanism – Photovoltaic (ABB order code 1SDA069827R1).
£5,123.66
ABB 1SDA069827R1 T7D/PV 1250 4-Pole 1100 V DC Switch-Disconnector with Stored-Energy Operating Mechanism
The ABB 1SDA069827R1 is a Tmax T7D/PV 1250 switch-disconnector designed for high-capacity photovoltaic and high-voltage DC electrical installations. This fixed four-pole device provides a rated uninterrupted current of 1250 A and is rated for operation at 1100 V DC.
Featuring front terminals and a stored-energy operating mechanism, the T7D/PV 1250 provides dependable switching and isolation for demanding DC power distribution systems. It has a rated short-time withstand current of 19.2 kA for 1 s, an 8 kV rated impulse withstand voltage and a robust Tmax moulded-case construction.
ABB 1SDA069827R1 is particularly suited to large photovoltaic power installations, solar DC distribution equipment, high-voltage DC switchboards and industrial renewable-energy systems requiring high-current four-pole switching and reliable isolation.
Key Advantages
- Designed for photovoltaic and high-voltage DC applications up to 1100 V DC
- 1250 A rated uninterrupted current for high-capacity DC distribution
- Four-pole configuration for comprehensive circuit isolation
- Fixed construction with front terminals for practical switchgear integration
- 19.2 kA rated short-time withstand current for 1 s
- 8 kV rated impulse withstand voltage
- Stored-energy operating mechanism for controlled switching operation
- Robust Tmax T7D/PV construction for demanding electrical installations
- Manufactured in accordance with IEC 60947 requirements
- RoHS compliant
Key Features
- Manufacturer: ABB
- Part number: 1SDA069827R1
- Product family: Tmax T
- Type: T7D/PV 1250 4p F F M 1100V DC
- Device function: switch-disconnector
- Four-pole configuration
- Fixed mounting
- Front terminal connections
- Stored-energy operating mechanism
- Rated for photovoltaic DC applications
- Suitable for high-capacity DC distribution and isolation
Photovoltaic and High-Voltage DC Switching
The ABB T7D/PV 1250 is engineered for high-current switching and isolation within photovoltaic electrical systems operating at 1100 V DC. Its 1250 A current rating makes it suitable for substantial DC power distribution in large-scale solar and industrial renewable-energy installations.
The fixed four-pole configuration with front terminals and a stored-energy operating mechanism enables integration into suitable photovoltaic switchboards, DC distribution assemblies and high-capacity solar electrical equipment. ABB's Tmax PV range is designed specifically for DC applications at high operating voltages and provides dedicated solutions for photovoltaic switching and isolation.
Typical Applications
- Large-scale photovoltaic power distribution
- Solar PV combiner and DC distribution equipment
- High-voltage DC switchboards
- DC isolation and switching systems
- Solar inverter and DC-side electrical assemblies
- Industrial DC power distribution
- Renewable-energy electrical installations
Technical Specifications
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| Voltage | 1100 V DC | |
|---|---|---|
| Device Type | MCCB switch-disconnector | |
| Supply Type | DC | |
| Poles | 4-pole | |
| Rated uninterrupted current (Iu) | 1250 A | |
| Rated operating voltage (Ue) | 1100 V DC | |
| Rated insulation voltage (Ui) | 1100 V DC | |
| Rated short-time withstand current (Icw) | 19.2 kA for 1 s | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Number of poles | 4 | |
| Construction | fixed | |
| Terminal position | front | |
| Operating mechanism | stored-energy mechanism | |
| Power loss | 47 W | |
| Degree of protection | IP20 | |
| Dimensions (H × W × D) | 268 × 280 × 178 mm | |
| Weight | 12.5 kg | |
| Standard | IEC 60947 | |
| EAN | 8015644705961 | |
| Manufacturer | ABB | |
| Series | Tmax | |
| Model | T7D/PV 1250 | |
| Manufacturer part number | 1SDA069827R1 | |
| Rated current | 1250 A | |
| Rated operational voltage | 1100 V DC | |
| Product type | Moulded case switch-disconnector for PV/DC |
FAQs
What is ABB 1SDA069827R1?
ABB 1SDA069827R1 is a Tmax T7D/PV 1250 four-pole fixed switch-disconnector designed for photovoltaic and high-voltage DC applications, featuring a stored-energy operating mechanism.
What is the rated current of ABB 1SDA069827R1?
The ABB 1SDA069827R1 has a rated uninterrupted current of 1250 A.
What voltage is the ABB T7D/PV 1250 rated for?
The ABB T7D/PV 1250 1SDA069827R1 is rated for operation at up to 1100 V DC.
How many poles does ABB 1SDA069827R1 have?
ABB 1SDA069827R1 is a four-pole switch-disconnector with fixed construction, front terminals and a stored-energy operating mechanism.
Where is ABB 1SDA069827R1 typically used?
The device is typically used in large photovoltaic power distribution systems, solar DC switchboards, high-voltage DC distribution equipment, DC isolation systems and industrial renewable-energy installations.
Trusted by Electrical Professionals
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