RELAY MODULE ISC 648
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APPLICATION

When connected with temperature controller DTC 648, converts the control signal of the controller in On-Off signals for sequencing two or more one- or two-stage boilers with or without shut-off valves. Up to a maximum of three ISC 648 can be used.

FEATURES

• Power supply: 230 V ~.

• Consumption: 5 VA.

• DIN 105 x 115 modular enclosure.

• Protection: IP 40.

• 4 SPDT output relays, 8 SPST output relays, max. switching voltage 250 V ~, 5 (1) A.