• Model:DKHM355-4SW

Rosenberg ATEX DKHM 355-4SW.110.5DF-E75

£ 1,494.95 (excl. VAT)

£ 1,793.94 (inc. VAT)


ATEX DKHM 355-4SW.110.5DF-E75

400VD, 50Hz, Zone1
IP44, Mot. 106-35, KS 3,0m
Atex II 2G Ex h IIB+H2 T3GbX

Rosenberg AC-Radial fans in combination with a voltage-controllable external-rotor motor form a very compact, efficient and optimized fan unit. They impress with low installation depth and a simple installation. Fast start-up is ensured because of well-integrated components.

Those fans are designed and manufactured to be operated in vaporous explosive atmosphere. They are marked in accordance with the Atex directive 2014/34/EU: II 2G Ex h IIB+H2 T3 Gb X

Applications:
Air Handling Units / Roof Fans / Duct Fans

Motors:
The voltage controllable AC-motors are characterized by a compact, robust design and a good controlling behaviour. They are designed by standard with protection class IP44, thermal class F and ignition protection Ex eb or Ex ec.

Motor Protection:
The winding of the motors feature integrated triple Positive Temperature Coefficient (PTC) thermistor temperature sensors according to DIN 44082, which will have to be connected to a PTC thermistor tripping unit with protective mark Ex II (2)G as a motor protection. This specific thermal motor protection is capable of precisely identifying any abnormal operating condition and external influence and will then disconnect the motor from the mains via a contactor in any conceivable malfunction case. It is permissible to install commercially available motor circuit breakers only as additional safety devices, since they are not able to ensure complete motor protection under all conceivable operating conditions (e.g. operation with reduced-voltage). Electrical connection:
The fans are supplied as standard with a connection cable approx. 0.8 m long. Wiring diagrams are glued to the cable outlet side of the fan housing. An Ex connection box is available as an accessory.

Air volume control: Explosion proof external rotor motors.
The design of the motors allows for a stable modulation of the motor speed via a voltage reduction. Only transformer type open-/closed-loop control units may be used for this purpose. For correct assignment refer to the list of accessories. The permissible voltage modulation range of between 25 and 100 % of the nominal voltage meets the typical requirements of systems with a variable air flow. If the system is operated in the reduced-voltage range, the operating current may exceed the nominal current. The percentage current increase in comparison to the nominal current is listed under technical data as Delta I. Open-/closed-loop control units must be designed to handle the maximum operating current. Ex external rotor motors with type of protection „eb“ or „ec“ are not allowed to be used with frequency converters.

PDF Files


DKHM 355-4_W.110.5DF II 2G Ex h IIB+H2 T3 Gb X - Specification Sheets

1 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 6301 x S & P Aluminium Axial Fan Louvre Shutter - PER-CR- 5001 x Easy-fix termination kit - High Rise Ventilator - EFT1 x Elta Variable Speed Drive IP66 - 1.5KW1 x FU 22 04 Frequency Inverter1 x NKS-D swirl diffuser v-300 x 300mm1 x ELTA - Single Phase Transformer 2amps1 x Circular Ceiling Diffuser - TST 1251 x PCA Diffuser - PCA-3151 x Balance S Diffuser - NO RING - 125mm1 x Circular Ceiling Diffuser - TST 1004 x Electronic extractor fan speed controller - FSC 1.55 x EC6H - Reversible Group Fan Electronic Controller1 x Round ceiling diffuser 400mm1 x Curved Blade Grille 600x600 (2way blow)1 x Elta 2 Amp Electronic single phase speed controller.1 x JSR 200 Painted RAL50181 x Circular Ceiling Diffuser - TST 1601 x ELTA - Single Phase Transformer 16amps1 x Versio Square Ceiling Diffusers - RS141 x Elta 3 Amp Electronic single phase speed controller with TK1 x Elta 3 Amp Electronic single phase speed controller.4 x Airvent ceiling fan controller4 x Elta 6 Amp Electronic single phase speed controller with TK1 x ELTA - Single Phase Transformer 8amps1 x EFSC-3N- Single Phase Speed Control1 x Round ceiling diffuser 200mm1 x ELTA - Single Phase Transformer 12amps1 x Balance S Diffuser - NO RING - 100mm1 x Elta Variable Speed Drive IP66 - 0.37KW (1ph to 3ph)1 x COM-31 x ELTA - Single Phase Transformer 4amps1 x AIRVENT speed control - AIR4019611 x EFSC-6N- Single Phase Speed Control1 x Elta Variable Speed Drive IP66 - 0.75KW (1ph to 3ph)1 x Round ceiling diffuser 250mm1 x PCA Diffuser - PCA-2501 x Round ceiling diffuser 350mm1 x Elta 6 Amp Electronic single phase speed controller.1 x ELTA - Single Phase Transformer 10amps1 x Elta Variable Speed Drive IP66 - 1.5KW (1ph to 3ph)3 x Remote Timer Control - 13511 x Run On Timer - 5s - 4hrs - RT5A3 x Push Timer Switch - ZA41 x Helios ZNE Electronic Fan Overrun Timer1 x TDID 4 - WOODS Auto Transformer (3 Phase)4 x Elta Variable Speed Drive IP66 - 0.75KW1 x FU 22 25 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 4.0KW1 x Frequency converter FU 075 14 - IP661 x Elta Variable Speed Drive IP66 - 2.2KW (1ph to 3ph)1 x Insulated extract Plenum 8+12 x Envirovent Silent MV160/100T Mixvent - Timer Model - 100mm - (5 year warranty)1 x Insulated extract Plenum 6+11 x CMT-2 200/80 1.1KW - Single inlet centrifugal fan direct driven2 x Multi Input Run On Timer - 0 - 20min - CFCU3 x Elta Variable Speed Drive IP66 - 2.2KW1 x Helios TSD 5.5 Transformer Speed Control (400v)1 x FRQ-10A V2 Inverter Speed controller1 x FRQ5-4A V2 Inverter Speed Controller1 x Helios VDS-7 Three Phase Transformer 5-Step1 x Frequency converter RUCK - FU 075 201 x FRQ5-10A Inverter Speed controller1 x FU 15 16 Frequency Inverter1 x Elta Variable Speed Drive IP66 - 5.5KW2 x Remote controller FLEX - for VEKO INT1 x ELTA - Three Phase Transformer 3amps1 x ATEX rated 3-phase Speed Control - R-DK4 KT (EX)1 x Elta 10 Amp Electronic single phase speed controller.1 x ELTA - Three Phase Transformer 10amps1 x Helios - FIUK-11KW 24.0A - FREQUENCY INVERTER1 x FU 075 04 Frequency Inverter (IP20)1 x Frequency converter RUCK - FU 075 212 x Transformer 5 Speed Controller - ATC1-8TK2 x Vent Axia ACM 100 inline mixed flow duct fan2 x Isolator Switch - ISOSW1 x Single phase speed controller by auto-transformer - RMB 3.5 Amp1 x 7 Day Programmable TIMECLOCK2 x BEAS-control module2 x Helios HQW-200/2 - IP553 x Vent Axia T-Series Controller2 x Helios HQW-630/4 - IP556 x Vent Axia ACM 125 T (Timer Model) inline mixed flow duct fan2 x Helios TSW 7.5 Amp Transformer speed controller4 x HCFC 1.7 - Reversible Speed Controller for HCF sweep fans2 x Transformer 5 Speed Controller - ATC1-10TK1 x Circular Ceiling Diffuser - TST 2001 x Transformer 5 Speed Controller - ATC1-4TK1 x Vent Axia ACM 150 inline mixed flow duct fan2 x Transformer 5 Speed Controller - ATC1-12TK1 x CS2 Current Switch1 x MWS 3 – Transformer Controller With Motor Protection1 x KMBI 180 Connector rectangular/circular to install on the discharge of CMT2 x Single phase speed controller by auto-transformer - RMB 8.0 Amp1 x REE-1 Electronic Speed Controller2 x Speed Controller - REB52 x Helios TSW 3 Amp Transformer speed controller1 x Helios TSW MCB Amp Transformer speed controller1 x Helios TSW 1.5 Amp Transformer speed controller6 x Single phase speed controller by auto-transformer - RMB 1.5 Amp1 x Time Delay Unit - DT20B3 x WS - Reversing Switch from Helios Fans3 x Transformer (silent) speed controller - RE 3.0 Amp1 x CPTA-S PIR SENSOR Volt Free Contacts - Surface Mounted2 x S&P MULTI-REG EC FAN CONTROLLER / INTERFACE2 x Helios TSW 0.3Amp Compact Transformer speed controller2 x Systemair Save Connect 2.0 Internet Module1 x KMBI 225 Connector rectangular/circular to install on the discharge of CMT1 x DEF-140T Inlet Guard for the CBT-100N3 x MWS 1.5 – Transformer Controller With Motor Protection2 x Transformer Speed Control - RTRE- 12.0Amp1 x Helios PU10 Speed Potentiometer (Flush Mounted)1 x Skyflow SSR Horizontal Roof Cowl SSR31/35BS1 x REB-CVF 0-10v Controller1 x Helios HQW-315/4 - IP552 x Vent Axia ACM 125 inline mixed flow duct fan1 x TG-K3/NTC10-01 - Duct temperature sensor1 x Transformer speed controller - ATC1 - 1.5 Amps1 x MV-B Dual Switch for use with Helios HQW plate fans,3 x Vent Axia ACM 100 T (Timer Model) inline mixed flow duct fan1 x Transformer 5 Speed Controller - ATC1-2TK1 x RDS 7 Helios Transformer Controller With Motor Protection1 x CBS-60 Outlet Flange for CSB/CBT-601 x CMT-2 225/090 1.1KW - Single inlet centrifugal fan direct driven2 x Helios HQW-200/4 - IP551 x Transformer (silent) speed controller - RE 1.5 Amp
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