Flap size up to approx

• check 0.3 m²(2)
• check 0.8 m²(4)
• check 1.5 m²(4)
• check 4 m²(3)

Power supply

• check 100...240V AC(2)
• check AC 24 V, DC 24...48 V(2)

Control:

• check Continuously (0/2...10V)(1)
• check O/C, 3 point(1)

SPDT Auxiliary Switch:

• check NO(2)
• check YES - 2 pcs(2)