Generator Auto Start Electrical Changeover Switch

Model NO.
Output type
Rated Current
Rated Voltage
Transport Package
Carton Box
Zhejiang, China
HS Code
Our personnel are always in the spirit of "continuous improvement and excellence", and with the superior quality products, favorable price and good after-sales services, we try to win every customer's trust for Generator Auto Start Electrical Changeover Switch, The product will supply to all over the world, such as: Sevilla, Albania, Pretoria, The working experience in the field has helped us forged a strong relations with customers and partners both in domestic and international market. For years, our products and solutions have been exported to more than 15 countries in the world and have been widely used by customers.
Radin Electric Technology Co., Ltd. Diamond / Audited Supplier
Generator Auto Start Electrical Changeover Switch
Radin Electric  provides ATS design, engineering, and full after sales support for a wide range of automatic transfer switch applications. We offer onsite electrical audits to assist in determining the correct product and installation to meet your exact needs and requirements.

(RDS2 Automatic Transfer Switch 100AMPS 4 Poles with Built-in controller)

RDS2 Series
PC class automatic transfer switch

Adopt two in one out design, easy to wiring;
With “0″ position technology, can be forced to “0″ position under emergency situation to match the fire-linkage requirement; Optional multifunction Intelligent controller with 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; Separate LCD display is optional, with RS485 communication function
Optional functions: Center delay, fault to “0″ position, engine exerciser etc.
Frame current: 100, 160, 250, 630, 1600A. 2000A, 3200A.


Type B type controller E type controller G type controller
Motor control voltage AC220V/50Hz
Aux. Power / DC 24V GA Type GB Type GC Type
1, DC 12V
2, DC 24V
Passive Output AC 220V
Voltage Measuring Range AC 40 to 300V
Power Loss less or equal 10W 
Working Position (Normal power ON, Reserve power ON, OFF) Three working position Three (I power ON, II power ON, I/II power OFF)
Operating Mode Auto, Manual Auto, Manual, Remote Auto, Manual
Display Mode LED Indicator LCD Display LED Indicator
Runing Status LED Indicators I/II POWER; I/II ON
Voltage Display No Yes No
Transfer  Mode Auto Transfer and Recovery Auto Transfer auto recovery / Auto transfer no recovery  Auto Transfer and Recovery
Source Priority Default no source priority Settable I/II/No Priority Default no source priority
Under voltage transfer value NO +/- 20% Adjustable NO
Over voltage transfer value NO +/- 20% Adjustable NO
Transfer Delay Function NO 0~180s Adjustable NO
Recovery Delay Function NO 0~180s Adjustable NO
Phase missing detect Single phase (A Phase) Three phase (A,B,C Phase) Single phase (A Phase)
Generator control Yes (one set DC2A relay contact)
Fire-linkage control Yes (passive contact input, with one set NO passive feedback signal)
RS485 function NO Yes NO
Frequency Protection NO +/-20% adjust NO
Engine Exerciser NO Yes NO
ATS Features Comparing, RDS2 — Outdated type ATS 
  RDS2 Outdated type ATS
Certificates CE, RoHS /
Flame-retardant Cover Yes No 
Working voltage (L-N) Wide(150VAC-300VAC) Ordinary
Controller Intelligent and settable Simple, fixed function
I Power LED Indicator Yes No 
II Power LED Indicator Yes No 
I Power ON LED Indicator Yes No 
II Power ON LED Indicator Yes No 
Over/Under Voltage Protection Yes No 
Over/Under Frequency Protection Yes No 
Transfer Time Delay Settable  Fixed
Generator Start/Stop Time Delay Settable  No 
Engine Exciser(weekly, monthly etc.) Yes No
Phase Immbalance Protection Yes (custom made) No 
Size Compact Larger
Copper Bar 2 Input 1 Output 2 Input 2 Output(some)
Operation Handle Iron(solid) Plastic(crispy)
Fuse Yes No 
Outlook Distinguished & Elegant Common
Motor Brand CNDF Wuxi, inferior quality
Before Factory Testing Auto Testing Line/Manual Manual check

Dlivery Terms
Sea Shipment & Express & Air express


( Product Packaging, Product: RDS2)

About  the Company

 ATS Controller Operation Units

ATS and Controller Operation Units

Products Test Equipment

ATS Switch Test Line

(Our Test Lab)

RADIN parts are TUV, CB, CE, CCC certified, and the factory is ISO9001:2015 qualified. 

1. Whats the warranty term?
24 Monthes.
2.How long does it take to deliver my goods?
Normally, samples can be delivered in 2 days. Customer designed sampleswill be delivered in 3-7 days.
3. Do you offer sample?
Yes, we offer sample order for customer to test the goods.
4. What kinds of payment terms do you accept?
We offer kinds of payment ways foe customer to chose from. T/T,L/C,Aliexpress,Western union etc.
5. What if theres quality peoblem?
We offer replacement for the goods as soon as there is a quality problem with the goods, and the fright is on our account to cut down the customers loss to the lowest.

We are sure any of your questions will get our prompt reply, just leave the message!