OT1600E22K-135 ABB 1600 A 4-Pole 1500 V DC Switch-Disconnector

Why Choose the ABB 1SCA159248R1001 OT1600E22K-135 DC Switch-Disconnector?

The ABB 1SCA159248R1001, order code OT1600E22K-135, is a heavy-duty 1600 A, 4-pole DC switch-disconnector designed for high-current direct-current isolation at voltages up to 1500 V DC. As part of the ABB 311027-OT Switches product group, it belongs to ABB's OT -135 series of disconnectors developed for demanding DC-20 applications.

The OT1600E22K-135 is a manually operated, front-operated switch-disconnector with a direct-mounted handle and operating shaft. Its four-pole construction and Mechanism 22 arrangement provide a robust switching platform for high-power DC systems, including energy storage, photovoltaic, inverter and other industrial DC installations.

Rated for 1600 A at 1500 V DC in utilisation category DC-20B, the OT1600E22K-135 is intended for connecting and disconnecting circuits under no-load conditions with occasional actuation. It combines a 1500 V rated insulation voltage, 12 kV impulse withstand voltage and substantial short-time withstand performance for integration into demanding high-voltage DC distribution systems.

Key Advantages

• Heavy-duty 1600 A DC switch-disconnector for high-current applications.
• 4-pole configuration for demanding high-voltage DC circuit arrangements.
• Rated for 1500 V DC, 1600 A DC-20B operation.
• Supplied with a direct-mounted operating handle and shaft.
• 1500 V insulation rating supports modern high-voltage DC systems.
• Suitable for energy storage, photovoltaic, inverter and other industrial DC isolation applications.

Key Features

• ABB OT1600 -135 DC switch-disconnector series.
• 1600 A rated DC operational current.
• 4-pole configuration.
• 1500 V DC rated voltage.
• 1600 A DC-20B operational current at 1500 V DC.
• 1500 V rated insulation voltage (Ui).
• 12 kV rated impulse withstand voltage (Uimp).
• Front-operated configuration.
• Direct-mounted manual operating handle.
• Operating shaft included.
• Mechanism 22 positioned between the poles.
• Top-in / bottom-out or bottom-in / top-out terminal arrangement.
• Lug-type main terminals.
• Designed for DC-20B no-load switching with occasional actuation.
• Complies with IEC 60947-1 and IEC 60947-3.

High-Current 1500 V DC Isolation

High-voltage DC systems require switching equipment specifically engineered for direct-current applications. The ABB OT1600E22K-135 combines a 1600 A operational current with a 1500 V DC rating and four-pole construction, providing a purpose-designed isolation solution for modern high-power DC distribution architectures.

Its DC-20B utilisation category means the switch is intended for connecting and disconnecting circuits under no-load conditions with occasional actuation. The direct-mounted handle, included shaft, Mechanism 22 arrangement and robust electrical ratings make the OT1600E22K-135 particularly suitable for energy storage systems and other installations where reliable high-voltage DC isolation is required.

Typical Applications

• Battery energy storage systems (BESS / ESS).
• High-voltage DC distribution systems.
• Photovoltaic and solar power installations.
• Large inverter systems.
• Industrial DC power systems.
• Marine DC power and inverter installations.
• Renewable energy equipment.
• High-current DC isolation assemblies.