D+H ZA 155-K-BSY+
Maximum force under high stress: The D+H ZA-155-K-BSY+ 230 V chain drive features 1500 N of power, allowing it to open even the heaviest roof openings. As a result, it ensures large smoke-vent areas despite high snow loads.

Can be used for openings for smoke exhaust; D+H Euro SHEV in accordance with EN 12101‑2; and for daily ventilation
With integrated BSY+ motor and synchronised electronics controlled via microprocessor
Direct control via 230 V AC
Option of up to 4 drives in one synchronous group
Low current consumption thanks to high efficiency
Option of cable infeed above and below
D+H ZA 155-K-BSY+ Drive unit can be changed from left to right
Running speed in CLOSED direction decreases to 5 mm/s (passive closing edge protection)
Time-controlled reversing when an obstacle is detected in the CLOSED direction (active closing edge protection)

Additional information



Product Applications

This product is suitable for:

  • Roof & Skylight windows
  • Top & bottom hung windows
  • Conservatory Ventialtion

Technical Details

ZA 155-K-BSY+
Power Supply:
230 V AC / +10 % … -15 % / 50 Hz
Force of pressure:
1500 N
Tensile force:
1000 N
Nominal locking force:
Max. 1400 N (1100 N ***)
100 – 1500 mm
OPEN running speed:
7.1 mm/s
OPEN running speed – SHEV:
8 mm/s
CLOSED running speed:
7.1 mm/s
IP 65
Temperature range:
-15 °C (-5 °C ***) … +75 °C
Emission sound pressure level:
LpA ≤ 51 dB(A)
Fire Resistance:
B300 (30 min / 300 °C)
2.5m silicone cable
A: 225 – 1662 mm

Download PDF's

ZA 155-K-BSY+ Instructions

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