Centrifugal flat box
EFR 12 R
No longer available for deliveryManufacturer: MAICO
Centrifugal flat box with 5 speeds, DN 125
Application examples: Single-family house, Office, Foreman's office, WC
Product data sheet
Characteristic curve
Dimensioned drawing
EFR 12 R - Dimensioned drawing [mm]
- Electrical connection
- Mounting support
A: 121 mm
Technical data
EFR 12 R - Technical data
Accessories
EFR 12 R - Accessories
General accessories
Product description
Productdescription
EFR 12 R
short description
Centrifugal flat box with 5 speeds, DN 125Product description
Models
- EFR 10, EFR 12: 1 speed setting.
- EFR 10 R, EFR 12 R: 5 speed settings; one of the 4 levels can be selected for the base load operation. Level 5 (maximum) is activated by an extra contact, e.g. light switch or hygrostat. The overrun time is set in the unit using a potentiometer (3 - 25 minutes).
Features
- Installation in DN 100 and DN 125 ventilation ducts.
- Smallest dimensions for installation where space is limited. Ideal for redevelopment.
- Centrifugal impeller with backward curved blades.
- Inlet and outlet side connection socket for direct installation in ventilation ducts.
- IP 20 degree of protection.
- Material: Sheet steel, galvanised.
Motor
- Thermal overload protection as standard feature.
- Robust motor with ball bearings, maintenance-free.
Mounting instructions
- Can be fitted in any position.
- With mounting plate for wall and roof installations.
Wiring diagram
EFR 12 R - Wiring diagram
Downloads / Videos
EFR 12 R - Downloads / Videos
Predecessor - successor
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