DD TWINBOX 9/9 M4 0,35kW

CENTRIFUGAL DIRECT DRIVE TWINFAN WITH FORWARD CURVED IMPELLER IN SOUNDPROOF CABINET

MANUFACTURING FEATURES

• Impellers made of reinforced polyamide with fiber glass up to size 12/12 (33/33). Size 15/15 made of galvanized steel sheet.
• DD range fans assembled in soundproof cabinets with thermo-acoustic elastomer insulation, M1 fire resistance.
• Fan assembled on antivibration mountings.
• Connection gland included.
• Equipped with inlet deflector wing, minimizing the turbulence and optimizing efficiency.
• Closed motors specially designed. Extruded aluminium motor housing. Totally enclosed wiring box IP-65. IP-54 motor protection and rated class F insulation. Standard voltages 230V 50 Hz for single phase and 230/400V 50Hz.
• Fans can run separately or simultaneously.

APPLICATIONS

Designed for inline installation, indoor or outdoor assembly, they are suitable for:
• Air renewal in buildings and industries.
• Industrial and professional kitchen hood.
• Maximum working temperature: 50ºC.

UNDER REQUEST

• 3 speed fans.
• LG0 position. 10% additional cost.
• Impeller made of galvanized sheet.
• Aluminium box up to size 12/12.

* All data are referred to a single working fan. If both fans are working at the same time, data should be twice (x2) except for weight.

Fan

Max flow

2680 m³/h

Weight

57 Kg

Motor

Power

0,35 kW

RPM Motor

1375

Capacitor

18µF 400V

I max. 230 V

2,7

Size

STC80

Weight

6.4 Kg

Efficiency

71.8 %

0.98

DD TWINBOX 9/9 M4 0,35kW

Design point

Service point

Degrees

RPM

Temp. max. (ºC)

Q (m³/h)

Ps (Pa)

Pd (Pa)

Pt (Pa)

Speed air (m/s)

Security coefficient

Mechanical total efficiency (%)

Total efficiency (%)

Pw_mec

Pw_mec (kW)

Pw_abs (kW) 1.2 Kg/m³

Pw_recom (kW)

Alternative point

DD TWINBOX 9/9 M4 0,35kW

A	B	C	D	E	F	H	I	J	K	L	M	N
1000	535	535	313	270	96	170	658	311	103	121	23	17

DD TWINBOX 9/9 M4 0,35kW

Model

REG 3A

Information

MANUAL SINGLE PHASE SPEED CONTROLLER

MANUFACTURING FEATURES

• Specially designed for sinus wave speed control. Only available for single phase fans.
• Terminal wiring.
• Minimum speed adjustable and potentiometer speed control.
• Sealed box IP-54 box. Light switch pilot.
• EMC filter according to the En55014 Standard.

Model

INT 25 3P A

Information

SAFETY SWITCH

MANUFACTURING FEATURES

• Safety start-stop switches according to IEC 60947-1 and IEC 60947-3.
• IP65 and always equipped an auxiliary contact.
• Useful for switching off the current before handling the fan.

*Máx. thermal current air (A)

Model

PI 25/25 (9/9)

Information

METALLIC GRAVITY SHUTTER FOR CABINET FANS. CERTIFIED 400ºC/2H

MANUFACTURING FRATURES

• Frame made of galvanised sheet and shutters made of aluminium.
• To be fitted on centrifugal fans likeBDL FIRE F400, DD BOX and BD BOX.
• Certified 400ºC/2h.