Terminal block for heating circuit distributor. Terminal block in the housing for wiring up to 8 room thermostats and max. 16 actuators. Channel 1-2: 1 actuator each. Channel 3, 5 - 8: 4 actuators. Channel 4: 2 actuators each. Device fuse T3, 15A/250V. Installation dimension Ø 5 x 20 mm (also protects the circuits of the connected controllers, the pump and the valve actuators). Protection class: II, after appropriate installation. Operating voltage: 230 VAC, 50 Hz. Fastening: wall mounting with 4 fastening screws supplied. Surface finish: upper part glossy, lower part matt. Housing color: upper part transparent, lower part anthracite gray, similar to RAL 7016. Housing material: plastic PC. Ambient temperature: - 10 . + 50 °C. Storage temperature: - 20 . + 70 °C. Permissible humidity: max. 95% r. H., non-condensing. Electrical connection: spring terminals 0.75mm²-1.5mm² for rigid cables, 0.5mm²-1mm² for flexible cables. Display: Ready for operation (mains voltage). Display: Active channels. Integrated strain relief. Labeling fields.