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ABB T7D/PV 1250 4P Fixed Front Terminals DC Switch-Disconnector - 1250 A - 1100 V DC - Lever Operating Mechanism - Photovoltaic

ABB T7D/PV 1250 4P Fixed Front Terminals DC Switch-Disconnector – 1250 A – 1100 V DC – Lever Operating Mechanism – Photovoltaic

ABB T7D/PV 1250 4P Fixed Front Terminals DC Switch-Disconnector – 1250 A – 1100 V DC – Lever Operating Mechanism – Photovoltaic (ABB order code 1SDA069826R1).

SKU: 1SDA069826R1MPN: 1SDA069826R1
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List Price £6,847.53 ex VAT
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ABB 1SDA069826R1 T7D/PV 1250 4-Pole 1100 V DC Switch-Disconnector

The ABB 1SDA069826R1 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 designed for operation at 1100 V DC.

Featuring front terminals and a lever operating mechanism, the T7D/PV 1250 provides dependable switching and isolation for demanding DC power distribution systems. It offers a rated short-time withstand current of 19.2 kA for 1 s, an 8 kV impulse withstand voltage and a robust Tmax moulded-case construction.

ABB 1SDA069826R1 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 isolation and switching.

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 short-time withstand current for 1 s
  • 8 kV rated impulse withstand voltage
  • Lever operating mechanism for straightforward manual switching
  • Manufactured to IEC requirements
  • RoHS compliant

Key Features

  • Manufacturer: ABB
  • Part number: 1SDA069826R1
  • Product family: Tmax T
  • Type: T7D/PV 1250
  • Device function: switch-disconnector
  • Four-pole configuration
  • Fixed mounting
  • Front terminal connections
  • Lever operating mechanism
  • Rated for photovoltaic DC applications
  • Suitable for use as a main switch
  • Lockable operating mechanism

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 installations.

The fixed four-pole configuration with front terminals and a lever operating mechanism enables integration into suitable photovoltaic switchboards, DC distribution assemblies and high-capacity solar electrical equipment. Dedicated jumper kits are available for connecting poles in series where required for the photovoltaic configuration.

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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Supply Type DC
Device Type Accessory
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
Main circuit connection bolted connection
Operating mechanism lever
Degree of protection IP20
Utilisation category DC-22B
Power loss 47 W
Dimensions (H × W × D) 268 × 280 × 154 mm
Weight 12.5 kg
Standard IEC
EAN 8015644705954
Manufacturer ABB
Series Tmax
Model T7D/PV 1250
Manufacturer part number 1SDA069826R1
Rated current 1250 A
Rated operational voltage 1100 V DC
Product type Moulded case switch-disconnector for PV/DC
Poles 4-pole

FAQs

What is ABB 1SDA069826R1?

ABB 1SDA069826R1 is a Tmax T7D/PV 1250 four-pole fixed switch-disconnector designed for photovoltaic and high-voltage DC applications.

What is the rated current of ABB 1SDA069826R1?

The ABB 1SDA069826R1 has a rated uninterrupted current of 1250 A.

What voltage is the ABB T7D/PV 1250 rated for?

The ABB T7D/PV 1250 1SDA069826R1 is rated for operation at up to 1100 V DC.

How many poles does ABB 1SDA069826R1 have?

ABB 1SDA069826R1 is a four-pole switch-disconnector with fixed construction, front terminals and a lever operating mechanism.

Where is ABB 1SDA069826R1 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

ABB 1SDA069826R1 combines the Tmax T7 platform with a 1250 A four-pole switch-disconnector design for dependable switching and isolation in 1100 V DC photovoltaic and industrial applications.
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