TORRETTA TRT 355 4P 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 kW

RPM Motor

1440

I max. 230 V

2,57

I max. 400 V

1,49

Size

Weight

9 Kg

Efficiency

73.5 %

TORRETTA TRT 355 4P 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 4P 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 4P F400

Model

SWT 25 3P

Code

21673

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

SWT F400 25 3P

Code

21687

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

IREM INVERTER 230 4.2A

Code

12873

Information

FREQUENCY SPEED CONTROLLER

Designed for controlling fan motors speed in HACV applications. Ultra compact installation, simple cabling, easy parameterization and wide standard functions. Integrated control unit panel with digital dial. PID card. Certifications: CE/UL/CSA/EN/GOST/CCC. Protection Marking: IP20.

IREM/IRET INVERTER 230: Entrance 230V I, exit 230V III
IREM/IRET INVERTER 400: Entrance 400V III, exit 400V III

EMC filter incorporated for models from 47A (included)

*Lineal load rated current

**Quadratic load rated current

Model

IRET INVERTER 400 2.2A

Code

12877

Information

FREQUENCY SPEED CONTROLLER

EMC filter incorporated for models from 47A (included)

*Lineal load rated current

**Quadratic load rated current