Windowmaster locking drive WMB 817/818

Application area

• can be used for comfort ventilation
• Locking drive for windows with locking system
• for surface-mounted sash installation or integrated in the frame
• discreet and compact slim-line design
• used together with ±24V control units or control units with MotorLink®
• Complete integrated system solution in combination with chain drive WMX 814
• three speeds possible when used with MotorLink® controllers, TrueSpeed™ capable
• soft close
• built-in electronic load cut-off/end cut-off
• Motor electronics with microcontroller
• Cable connection available - no junction box required
• easy mounting

Compact 24 VDC locking drive that automatically unlocks / locks the window's locking system, maintaining CE approval. The locking drive is used for larger sashes to ensure higher tightness and burglary protection.
2000N locking force per actuator.
Together with WindowMaster electric window operators with MotorLink®, the locking operator is installed in windows with locking system without handle. It is installed in the frame of windows made of wood, plastic, or aluminum, or mounted on sashes.

The locking system is adjustable in two positions: locked / unlocked.

The fitting is included in the delivery.

Drive variants

There is a single and a synchro version of the locking drive, which means that the drive can be used as a single locking drive with up to four window drives on the same window or as a synchro locking drive (two locking drives) and up to four window drives on the same window.

Single WMB (one WMB)

• WMB 817-1 L: single, locking to the left
• WMB 817-1 R: single, locking to the right

Synchro WMB (two WMB on the same window)

• WMB 817-2 L: synchro, first WMB locking to the left
• WMB 817-2 R: synchro, first WMB locking to the right
• WMB 818-2 L: synchro, second WMB, locking to the left
• WMB 818-2 R: synchro, second WMB, locking to the right

Technical data

• Compressive force: 300N
• Pulling force: 300N
• Locking force: 2000N (break-in force) min.
• Speed: 1 - 8mm/s, TrueSpeed™ capable
• Can be used for the following windows: Top-hung, top-hung and side-hung sashes
• Supply voltage: 24 VDC nominal (max. 10% ripple)
• Operating voltage: 19 - 32 VDC
• Open circuit voltage: 32 VDC
• Current consumption: max. 1A
• Power consumption: max. 24W
• Ambient conditions: -5°C - +74°C, max. 90% relative humidity (non-condensing)
• Duty cycle: ED max. 40% (2 min. per 5 min.)
• Material: Anodized aluminum housing; Gray actuators: gray silicone cable; Black actuators: black silicone cable
• Color: Anodized aluminum and black anodized. RAL colors available at extra charge.
• Size: 285 x 42 x 30mm (W x H x D)
• Weight: 0,96 kg
• Connecting cable: 5m silicone cable, 3-wire 0.34mm2
• Protection class: surface mounting: IP 20, integrated mounting: IP 32
• Lifetime: 11.000 cycles at complete base movement
• Scope of delivery: locking drive with 5m connection cable with fast-in/fast-on connector and driver fitting
• Reservation: subject to technical changes