Flap size up to approx

• check 0.4 m²(1)
• check 0.5 m²(1)
• check 0.8 m²(1)
• check 1 m²(3)
• check 2 m²(2)
• check 4 m²(2)

Power supply

• check 24V AC/DC(1)
• check 100...240V AC(1)

SPDT Auxiliary Switch:

• check NO(2)
• check YES - 1 pc(1)