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63 Amp Automatic Transfer Switches

RDS3 auto transfer switch has 4 sizes, which are 63A, 125A, 250A, 630A. RDS3 is developed by our own R&D team, featured with elegant outlook and distinguished design.

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RDS3-125 Motorized Changeover Switch 100 Amp Automatic Transfer Switches


RDS3 auto transfer switch has 4 sizes, which are 63A, 125A, 250A, 630A. RDS3 is developed by our own R&D team, featured with elegant outlook and distinguished design. RDS3 has built-in B/E control modules (optional). Working voltage can be customized to: 120V/208V/230V/400V/440V/460V/480V 50Hz/50Hz.


RDS3-125B:

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Optional Accessories:

- LCD display is connected by a 2 meter data cable to the control module.

- Module G, provide DC12/24V control signal to work with a ATS or genset controller, e.g. DSE controller, ComAp controller etc.


RDS3-125 Technical Data:

RDS3-125


Rated Working current (A) le

125A

Rated Insulation voltage (V) Ui

800

Rated impulse withstand voltage (KV) Uimp

8

Rated short time withstand current (KA, rms) Icw

10KA (200MS)

Rated short circuit making capacity (KA, peak) Icm

20KA

Rated limit short circuit current (KA) Iq

120kA

Rated control power supply voltage (V) Us

230V

Contact transfer time (s)

1

Operation cycles (times)

Mechanical life

8500

Electrical life

1500

Total

10000

Outline size (mm) WxDxH

245×130×122

Weight (kg)

5


RDS3 Control Module Features:

Pictures

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Model

RDS3-B

RDS3-E

Control power voltage

AC230V

Operating mode

Auto/Manual

Auto/Manual

Source priority

Default source I priority

Source I priority/Source II priority/no priority.

Mechanical isolation lock

Yes

Generator control

Generator starter signal

Generator start and stop timer

Fire linkage

Yes ( Forced 0 position)

Working status indicator

LED: Running status LED indicator for I/II POWER source and I/II ON/OFF status

LED: Running status LED indicator for I/II POWER source and I/II ON/OFF status

LCD: Settable keyboard and voltage, frequency, display.

Controller features

Three phase over/under voltage monitoring

Set I/II/NO source priority, over/low-voltage value, over/under frequency value, transfer time delay, weekly/ monthly/ engine exerciser.

Power monitoring

ABC three phase over-voltage 265V ABC three phase low-voltage 187V

ABC three phase voltage missing monitor

ABC three phase over-voltage (240-290V adjustable)

ABC three phase under-voltage (150 operation -200V adjustable)

ABC three phase voltage missing monitor

Delay time

Default 5s.

Transfer delay timer (0-300s adjustable) Recovery delay timer (0-300s adjustable) Generator start, stop delay timer (0-300s adjustable)


Note:

1. LCD display is optional at RDS3-B, with LCD, same functions with E module, and all parameters becomes settable.

2. ATS Transfer to "0" position when I or II power both fails. On the condition that A phase is normal, B or C phase loss, over or under voltage, over or under frequency, note, if A phase loss, this function not available, ATS must have power supply to enable it's motor.



RDS3 Series

PC Class Automatic Transfer Switch

63 Amp Automatic Transfer Switches have smaller size and is easy to install, space saving;

10Ie making and breaking capacity, reach AC-33B utilization category; with multifunction intelligent controller, programmable high/low voltage protection, high/low frequency protection, adjustable transfer delay time, adjustable center delay time, build-in engine exerciser, fault transfer to “0" function is optional;

Removable LCD display, to match different installation requirements; Frame current: 125A, 250A, 630A


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