Relay interface modules (EMR/SSR)

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  19 Series - Override & Status indicating modules (1)

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  38 Series - Relay interface modules (172)

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  39 Series - Relay interface modules (76)

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  48 Series - Relay interface modules 8 A (76)

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  4C Series - Relay interface modules 8 - 10 - 16 A (61)

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  58 Series - Relay interface modules 7 - 10 A (52)