Flap size up to approx

• check 0.3 m²(1)
• check 0.8 m²(1)
• check 1.5 m²(1)
• check 4 m²(1)

Power supply

• check 24V AC(4)
• check 100...240V AC(1)
• check 230V AC(2)
• check AC 24 V, DC 24...48 V(3)

SPDT Auxiliary Switch:

• check NO(6)
• check YES - 1 pc(2)
• check YES - 2 pcs(1)