Drive T, 24 V AC/DC, 2-point, normally closed, 3m connecting line-AEH, PVC, VA10N, 1 W, Protection class III, Protection class IP 54 0.12 m, factory-fitted, made of Polyamide Suitable for: All units with electro-mechanical control configuration KaControl C1 in conjunction with 2-way valve or differential pressure-independent valve