ABB DC Switch-Disconnectors / OTDC1000U Page 1 ⍾ ABB ⍾ Last modified Jun 3, 2026

The ABB OTDC1000U catalog features PV disconnect switches designed for base mounting. These switches are rated for DC voltages up to 1000 V (UL) and 1600 V (IEC), with current ratings up to 1000 A or 930 A. Some models include a direct-mounted handle and terminal bolt kit, while others require separate ordering of the handle and shaft. All models are designed for US single-wire break functionality.

OTDC1000U / DC Switch-Disconnectors ⍾ Page 1

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1SCA143712R1001

OTDC1000U22 PV Disconnect Switch, Terminal bolt kit included, Handle and shaft need to be ordered separately, Base mounting, UL 1000 VDC 1000 A, IEC 1000 VDC 1600 A
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1SCA143713R1001

OTDC1000U22K PV Disconnect Switch, Direct mounted handle and terminal bolt kit included, Base mounting, UL 1000 VDC 1000 A, IEC 1000 VDC 1600 A
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1SCA143714R1001

OTDC1000US22 PV Disconnect Switch, Terminal bolt kit included, Handle and shaft need to be ordered separately, Base mounting, US single-wire break, UL 1000 VDC 930 A, IEC 1000 VDC …
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1SCA143715R1001

OTDC1000US22K PV Disconnect Switch, Direct mounted handle and terminal bolt kit included, Base mounting, US single-wire break, UL 1000 VDC 930 A, IEC 1000 VDC 1250 A