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What is the difference between the D10S4 and the D10S4H NEMA style door mounted disconnect switches?
Issue:
D10S4 and D10S4H difference

Product Line:
Operating Mechanisms and Disconnect Switches

Environment:
NEMA-Style UL 98 Rotary Handle Disconnect Switches

Resolution:
The D10S4 device is non-service entrance rated and does not have phase barriers or provisions for field installation of phase barriers.
The D10S4H device is service entrance rated and comes with phase barriers.

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