Automatic Transfer Switch Control Modules

DSE334

Auto Transfer Switch Control Module

The DSE334 Automatic Transfer Switch Control Module monitors 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.  

To view UL Certification click here.
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OVERALL SIZE
215 mm x 158 mm x 42 mm (8.5” x 6.2” x 1.6”)
PANEL CUTOUT SIZE
182 mm x 137 mm (7.2” x 5.4”)
MAXIMUM PANEL THICKNESS
8.0mm (0.3”)
WEIGHT
0.52kg
PRODUCT VARIANTS
0334-01 - 334 Auto Transfer Switch Control Module - 12/24 Volt DC Supply

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Product Highlights

Key Features & Benefits

Key Features

Key Benefits

Automatic switch over between supplies.
Switches power when mains (utility) supply fails and switches back when mains (utility) supply returns.
Manual restore to S1.
Allows flexible control of source inputs.
Configurable inputs/outputs (10/5).
Provides multiple installation options.
Optional current monitoring.
Provides accurate information on over and under current conditions.
Source 1/source 2 control.
Allows flexible control of source inputs.
Check sync feature.
Ensures the smoothest possible transfer is achieved.
Compatible with 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 (10).
Provides access to historical alarms and operational status.
  • Additional Features
  • Volt-free relays.
  • Multiple topology support.
  • Configurable timers.
  • Front panel configuration.
  •  
  • LED indicators.
  • External mains (utility) or genset failure inputs.
  • Auto start inhibit.
  •  
  • Load inhibit.

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
292 mA at 12 V, 167 mA at 24 V

MAXIMUM STANDBY CURRENT
101 mA at 12 V, 66 mA at 24 V

MAINS (UTILITY)

VOLTAGE RANGE

15 V to 333 V AC (L-N)

FREQUENCY RANGE
3.5 Hz to 75 Hz

OUTPUTS

OUTPUT A (MAINS/UTILITY/S1)
Normally closed volt-free output 8 A AC at 250 V AC

OUTPUT B (GENERATOR/S2)
Normally open volt-free output 8 A AC at 250 V AC

OUTPUT C (START AND RUN)
Normally closed volt-free output 8 A DC at 35 V DC (UL Rating 30 V)

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

OUTPUT E
Normally open volt-free output 8 A AC at 250 V AC

GENERATOR

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

DSE334 connection diagram

Product Variants

 0334-01 - 334 ATS CONTROLLER 12V / 24V