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NBG 350S
NBG Fire Door Operators
Fire doors are designed to operate to prevent the spread of fire and smoke. The most common type of fire door is the fire shutter, which closes to prevent the spread of smoke and fire. One way a fire shutter can close is Gravity Close with the shutter in the open position the drive shaft must release enabling the shutter to close in a controlled manner. Marantec UK offer the NBG range of fire door operators for gravity close applications.
Product Specification
Integral starter unit.
Low voltage controls.
Plug & socket fit solenoid release.
Pre-wired to plug & P.B.S.
Four limits.
Optional Features
Choice of release mechanisms.
Bracket pack.
Product Information
Operating Voltage | V | 230/1~ |
Current | A | 2.2 |
Power | kW | 0.25 |
Speed | R.P.M | 24 |
Torque | Nm | 43 |
Limit Turns | 60 |
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