OTDC 250…1000A (IEC and UL)

Simply optimal

OTDC switch-disconnectors M-series above 250A provide reliable breaking power for every current level, enhancing safety, efficiency and simplicity.

For 1500V DC systems, the basic configuration is two poles from 315A up to 800A (IEC 60947) and from 250A up to 600A (UL98B). The ratings from 800A up to 1000A for 1500V are achieved by the parallelly connected poles. Both front and side operated models are available.

Energy efficient

High performance

Space saving

Speed up your projects

The 2-pole 1500V DC concept helps manufacturers to improve their systems efficiency.
Compared to existing solutions for 1500Vdc, the power losses have been reduced up to 63%. CO2 emissions are reduced up to 0,32 tons in 15 years with a single switch.

The unique pole design has been optimized to break high DC voltages with ease, thanks to the patented DMB© - Dual Magnetic Breaking and long opening angle.
The rated conditional short-circuit current of the unique OTDC ESS-types is up to 100kA for 1500Vdc. Higher SC- ratings are required in the ESS in the DC side protection, especially if multiple battery rack units are parallelly connected in the system.
Up to DC-PV2 and DC-22B ratings for the OTDC range offer a robust and high performing switch with exceptional mechanical endurance up to 10 000 operating cycles.

The 2-pole OTDC for 1500V DC is up to 30% smaller than most of the devices available in the market (150mm wide and 122mm high).
The pole design is symmetrical, enabling independent polarity.
No connection bars are needed for the 315…630A (IEC) and 250…600A (UL98B) types.

The 2-pole OTDC for 1500V DC is up to 30% smaller than most of the devices available in the market (150mm wide and 122mm high).
The pole design is symmetrical, enabling independent polarity.
No connection bars are needed for the 315…630A (IEC) and 250…600A (UL98B) types.

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Enclosed DC switch-disconnectors 16...32A

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