Automatic Transfer Switch
Control Modules

DSE331

Auto Transfer Switch Control Module

The DSE331 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.  

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OVERALL SIZE
180 mm x 116 mm x 42 mm (7.1” x 4.6” x 1.7”)
PANEL CUTOUT SIZE
154 mm x 98 mm (6.0” x 3.9”)
MAXIMUM PANEL THICKNESS
8.0mm (0.3”)
WEIGHT
0.36kg
PRODUCT VARIANTS
0331-01 - 331 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 (4/8). 4 configurable volt-free outputs & 4 configurable DC outputs.
Provides multiple installation options.
Rotary ATS configuration.
Provides alternator breaker type control.
Source 1/source 2 control.
Allows flexible control of source inputs.
Check sync feature.
Ensures the smoothest possible transfer is achieved.
3-phase display.
Gives true on screen information for all 3-power phases.
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.
  • Additional Features
  • Icon or text LCD display.
  • LED indicators.
  • Configurable timers.
  • Start inhibit.
  •  
  • Load inhibit.
  • Multiple topology support.

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
168 mA at 12 V, 80 mA at 24 V

MAXIMUM STANDBY CURRENT
39 mA at 12 V, 20 mA at 24 V

OUTPUTS

OUTPUT A & B
Normally open volt-free output
8 A DC at 35 V DC

OUTPUT C & D
Changeover volt-free output
8 A DC at 35 V DC

AUXILLARY OUTPUT E, F, G & H
2 A DC at supply voltage
S1 & 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

DSE331 connection diagram

Product Variants

 0331-01 - 331 ATS CONTROLLER 12V / 24V DC SUPPLY