TORRETTA TRT 355 4/8P F400

ROOF FAN, ABS COWL 400ºC/2h

MANUFACTURING FEATURES
• Roof cowl made of ABS
• Structure, roof base support and bird protection guard made of galvanised steel.
• High efficiency backward impeller with self-cleaning system of steel.
• Standard asynchronous motor with IP-55 protection and Class F insulation. Manufactured with standard voltages: 230V 50Hz in single phase motors, 230/400V 50Hz in three phase motors and 400V 50Hz in 2 speed motors.

APPLICATIONS
Specially designed for roof installation, they are suitable for:
• Smoke extraction.
• Smoke emergency exhaust with motor outside the hazardous area.
• Air renewal in buildings and industries.
• Industrial and professional kitchen hoods.
• Maximum continuous working temperature: carried air 80ºC, environment 60ºC for three phase and 50ºC for single phase motors.

UNDER REQUEST
• 60Hz and special voltages.
• Sparking proof fan with EEx_d certified motor.

Official homologation by the European laboratory APPLUS according to EN 12101-3:2015
Certification Nr: 0370-CPR-2656

Fan

Max flow

3590 m³/h

Weight

19 Kg

Motor

Power

0,55/0,09 kW

RPM Motor

1410/710

I max. 400 V

1,77/0,61

Size

80M

Weight

9.3 Kg

Efficiency

70/53 %

0,70/0,49

TORRETTA TRT 355 4/8P F400

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

TORRETTA TRT 355 4/8P F400

A	B aprox	C	D	E	F	G	H	K aprox
698,5	647	665	520	9	240,2	208,5	40	398,5

TORRETTA TRT 355 4/8P F400

Model

SWT F400 25 6P

Code

21692

Information

SAFETY SWITCH FOR 400ºC/2h

Safety switch for local disconnection of 400ºC/2h ventilation equipments according to UNE-EN 12101-3.
Suited for direct control of motor in AC 3 operation category
Equips two auxiliary contact.

Model

KTFF 355-400-450

Code

Information

FIXING KIT FOR

MANUFACTURING FEATURES

• Fixing kit for roof fan made of galvanized steel.

Model

KTFO 355-400-450

Code

Information

TILTING KIT

MANUFACTURING FEATURES

• Tilting kit made of galvanised steel.
• It allows fan inclination to make cleaning of duct and impeller easier.

Model

VTD 355-400-450

Code

Information

VERTICAL DISCHARGE

MANUFACTURING FEATURES

• Accessory to convert the roof fan to vertical discharge.
• Manufactured in aluminuim

Model

SWT 25 6P

Code

21680

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)