Automatic Transfer Switch
Control Modules

DSE335

Auto Transfer Switch Control Module

The DSE335 Automatic Transfer Switch Control Module has been expertly developed to monitor the voltage and frequency of an incoming AC supply from two different sources. These sources can be generator or mains (utility), or a combination of both. The control module monitors Source 1 (S1) and Source 2(S2). When a failure occurs a start command is issued to the inactive source to take over the load. The module will return the load to the mains (utility) as soon as this becomes available.  

OVERALL SIZE
240 mm x 181 mm x 42 mm (9.4” x 7.1” x 1.6”) 
PANEL CUTOUT SIZE
220 mm x 160 mm (8.7” x 6.3”) 
MAXIMUM PANEL THICKNESS
8.0mm (0.3”)
WEIGHT
0.9kg

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Product Highlights

Key Features & Benefits

Key Features

Key Benefits

Automatic switch over between supplies.
Ensures there is no break in power when the changeover occurs.
Manual restore to S1.
Allows flexible control of source inputs.
Configurable inputs/outputs (12/12). 6 configurable volt-free outputs & 6 configurable DC outputs.
Provides multiple installation options.
Power monitoring (kW h, kV Ar, kV Ah, kV Ar h).
Provides clear accurate power measurement information.
Source 1/Source 2 control.
Allows flexible control of source inputs.
Check sync feature.
Ensures the smoothest possible transfer is achieved.
Integral PLC editor.
Ensures additional applications are easily integrated into the system.
Rs232 & RS485 communications (user selectable).
Provides secure and simple off site monitoring. All ports are continuously active.
Rotary ATS configuration.
Provides alternator breaker type control.
Compatible DSE160 power supply.
When no DC supply is available the DSE160 power supply connects to an AC power supply and then to the control module.
DSE Configuration Suite PC Software.
Provides complete user-friendly configuration and easy-to-use high-level system control & monitoring.
Configurable event log (250).
Provides access to historical alarms and operational status.
  • Additional Features
  • Passive closed transition.
  • Remote monitoring.
  • 1 Amp & 5 Amp CT secondary support.
  • Phase rotation detection.
  •  
  • Start inhibit.
  • Load inhibit.
  • Multiple topology support.
  •  
  • Configurable timers & alarms.
  • Multiple date & time scheduler.
  • Load switching.
  •  
  • USB connectivity.
  • Backed up real time clock.
  • SMS messaging.
  •  
  • Adjustable MODBUS interframe delay.
  • DSEWebNet® compatible.
  • Ethernet communications (with DSE855).
  •  
  • DSENet® expansion.
  • SCADA PLC monitoring.

Specification

DC SUPPLY

CONTINUOUS VOLTAGE RATING
8 V to 35 V Continuous

CRANKING DROPOUTS
Able to survive 0 V for 50 mS, providing supply was at least 10 V before dropout and supply recovers to 5 V. This is achieved without the need for internal batteries. LEDs and backlight will not be maintained during cranking.

MAXIMUM OPERATING CURRENT
480 mA at 12 V, 360 mA at 24 V

MAXIMUM STANDBY CURRENT
126 mA at 12 V, 96 mA at 24 VS1

S1

VOLTAGE RANGE
15 V to 333 V AC (L-N)

FREQUENCY RANGE
3.5 Hz to 75 Hz

OUTPUTS

OUTPUTS A & E
Normally closed volt-free output
8 A AC at 250 V AC

OUTPUTS B & F
Normally open volt-free output
8 A AC at 250 V AC

OUTPUT C & D
Changeover volt-free output
8 A AC at 250 V AC

AUXILIARY OUTPUTS G,H,I,J,K & L
2 A DC at supply voltage

S2

VOLTAGE RANGE
15 V to 333 V AC (L-N)

FREQUENCY RANGE
3.5 Hz to 75 Hz

Environmental Testing Standards

ELECTRO-MAGNETIC  COMPATIBILITY
BS EN 61000-6-2
EMC Generic Immunity Standard for the Industrial Environment.
BS EN 61000-6-4
EMC Generic Emission Standard for the Industrial Environment.

ELECTRICAL SAFETY
BS EN 60950
Safety of Information Technology Equipment, including Electrical Business Equipment.

TEMPERATURE
BS EN 60068-2-1
Ab/Ae Cold Test -30°C.
BS EN 60068-2-2
Bb/Be Dry Heat +70°C.

VIBRATION
BS EN 60068-2-6
Ten sweeps in each of three major axes.
5 Hz to 8 Hz @ +/-7.5 mm, 8 Hz to 500 Hz @ 2 gn.

HUMIDITY
BS EN 60068-2-30
Db Damp Heat Cyclic 20/55° C @ 95% RH 48 Hours.
BS EN 60068-2-78
Cab Damp Heat Static 40° C @ 93% RH 48 Hours.

SHOCK
BS EN 60068-2-27
Three shocks in each of three major axes 15 gn in 11 ms.

DEGREES OF PROTECTION PROVIDED BY ENCLOSURES
BS EN 60529
IP65 - Front of module when installed into the control panel with the optional sealing gasket.

Connection Diagram

DSE335 connection diagram

Product Variants

 0335-01 - 335 ATS CONTROLLER 12V / 24V