Window automatic opening mechanism VLD 51-BSY+

for natural ventilation

Overview

• Designed for smoke exhaust (SHEV) in accordance with EN 12101-2 and for daily ventilation
• Microprocessor-controlled motor electronics for communication and sequence control of connected BSY+ window drives
• Supports up to 6 VLD BSY+ drives on a single window
• Compatible with standard latch pane fittings for window operation
• Provides activated VP signal of connected BSY+ opening drives
• Manual emergency unlocking available
• Configurable locking direction on the drive
• Enhanced burglary resistance design

Approvals / Certificates
EURO-RWA certified. Additional approvals available on request: CNBOP, UL, UR, CCC. Details provided upon request.

Configurator / Options

• Encoding: Main or Sub (synchronised drive groups require one "Main" and at least one "Sub"; the last drive in a synchronised group acts as the Main to monitor/control others)
• Coating: Uncoated by default; optional powder coatings available to RAL, DB or NCS specifications
• Connection cable length: Standard 2.5 m; alternatives: 5.0 m, 10.0 m, 12.5 m
• Stroke programming: No programming by default (factory or on-site programming available on request)

Technical / Functional Information (informative)

• Suitable for smoke extraction and daily ventilation applications
• Motor electronics with microprocessor enable communication and sequence control of BSY+ drives
• Manual emergency unlocking and configurable locking direction for installation flexibility
• Activation of VP signal on connected opening drives and increased burglary protection

Technical specifications

• Supply: 24 V DC / ±20 % / 1 A
• Duty cycle: 30 % (ON: 3 min. / OFF: 7 min.)
• Locking force: 500 N
• Breakaway force: 1000 N *
• Service life: > 10,000 cycles
• Stroke: 38 mm
• OPEN running speed: 3.3 mm/s
• OPEN running speed - SHEV: 4.2 mm/s
• CLOSED running speed: 3.3 mm/s
• Type of protection: IP42
• Emission sound pressure level: LpA ≤ 70 dB(A)
• Temperature range: -15 °C (-5 °C **) … +75 °C
• Fire resistance: B300 (30 min / 300 °C)
• Housing: V2A stainless steel
• Connection: Silicone cable (must be ordered separately)
• Dimensions W x H x D: 493 x 25 x 25 mm
• Weight: 0.88 kg
• Art. No. (variants): 23.061.80 / 23.061.70
• Notes: * Breakaway force in release position; ** in accordance with VdS 2580