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RDQ3NM series ATS according to the controller functions have three modes: Auto change Auto recovery (R) Auto change no auto recovery (S) and Power Grid-Generator (F), the first two mode used in power grid-power grid system, the latter mode is used in power grid-generator system.
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RDQ3NMB Generator Starter Switch 630 Amp Automatic Transfer Switches
Working Mode
● RDQ3NM series intelligent dual power ATS have two working mode: Auto mode and Manual mode.
● Auto Mode: RDQ3NM series ATS according to the controller functions have three modes: Auto change Auto recovery (R) Auto change no auto recovery (S) and Power Grid-Generator (F), the first two mode used in power grid-power grid system, the latter mode is used in power grid-generator system.
● Manual mode: manual mode has three working mode, main power, backup power and breaker trip modes. Under manual working mode, there will be no auto transfer function.
● Main power mode: Forced disconnecting backup power, and turn ON the main power;
● Backup power mode: Forced disconnecting the main power and turn ON the backup power;
● Breaker trip mode: To disconnect two power sources, also can switch on the fault tripped circuit breaker.
OEM/ODM Service
Support using customer brand MCCB as main switch.
Technical Specification
Model | RDQ3NMB |
Rated Current | 63A to 1250A |
Poles | 3P and 4P |
Working Power | AC150V-300V 50/60Hz |
Operation Mode | Auto and Manual |
Auxiliary power supply voltage | DC15V-24V |
Voltage measurement range | 40V-300V |
Under-voltage Transfer Value | 160V-200V Adjustable |
Over-voltage Transfer Value | 240V-290V Adjustable |
Transfer time delay | 0-180s adjustable |
Generator start/stop time delay | 0-180s adjustable |
Power Consumption | ≤10W |
Installation mode | LED controller separable |
Working Position | Three working positions I - O- II |
Running Status LED display | I/II Power available, I/II Power ON |
Operation Mode | Automatic, Manual |
Voltage monitoring function | Over-voltage, Under-voltage and Phase missing |
Generator control | A group of 10A relay dry contact |
Fire control | Passive contact input with a set of NO voltage-free signal feedback |
Source priority | Source I priority, Source II priority, No priority |
Terminal Wiring Instruction
RDS2 Series
PC Class Automatic Transfer Switch
Adopt two input one output design, easy for 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 time delay, adjustable center delay time build-in engine exerciser, fault transfer to: 0" function is optional;
Optional separate LCD display, optional Rs485 communication function;
Optional functions: Center delay, fault to: 0" position, Engine exerciser, Current limit etc Frame current: 125, 160, 250, 630, 1600, 2000, 3200A
Hot Tags: automatic load transfer switches, China automatic load transfer switches suppliers, auto load transfer switches manufacturers, automatic load transfer switches factory, automatic transfer switches price, discount
RDQ3NMB Generator Starter Switch 630 Amp Automatic Transfer Switches
Working Mode
● RDQ3NM series intelligent dual power ATS have two working mode: Auto mode and Manual mode.
● Auto Mode: RDQ3NM series ATS according to the controller functions have three modes: Auto change Auto recovery (R) Auto change no auto recovery (S) and Power Grid-Generator (F), the first two mode used in power grid-power grid system, the latter mode is used in power grid-generator system.
● Manual mode: manual mode has three working mode, main power, backup power and breaker trip modes. Under manual working mode, there will be no auto transfer function.
● Main power mode: Forced disconnecting backup power, and turn ON the main power;
● Backup power mode: Forced disconnecting the main power and turn ON the backup power;
● Breaker trip mode: To disconnect two power sources, also can switch on the fault tripped circuit breaker.
OEM/ODM Service
Support using customer brand MCCB as main switch.
Technical Specification
Model | RDQ3NMB |
Rated Current | 63A to 1250A |
Poles | 3P and 4P |
Working Power | AC150V-300V 50/60Hz |
Operation Mode | Auto and Manual |
Auxiliary power supply voltage | DC15V-24V |
Voltage measurement range | 40V-300V |
Under-voltage Transfer Value | 160V-200V Adjustable |
Over-voltage Transfer Value | 240V-290V Adjustable |
Transfer time delay | 0-180s adjustable |
Generator start/stop time delay | 0-180s adjustable |
Power Consumption | ≤10W |
Installation mode | LED controller separable |
Working Position | Three working positions I - O- II |
Running Status LED display | I/II Power available, I/II Power ON |
Operation Mode | Automatic, Manual |
Voltage monitoring function | Over-voltage, Under-voltage and Phase missing |
Generator control | A group of 10A relay dry contact |
Fire control | Passive contact input with a set of NO voltage-free signal feedback |
Source priority | Source I priority, Source II priority, No priority |
Terminal Wiring Instruction
RDS2 Series
PC Class Automatic Transfer Switch
Adopt two input one output design, easy for 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 time delay, adjustable center delay time build-in engine exerciser, fault transfer to: 0" function is optional;
Optional separate LCD display, optional Rs485 communication function;
Optional functions: Center delay, fault to: 0" position, Engine exerciser, Current limit etc Frame current: 125, 160, 250, 630, 1600, 2000, 3200A
Hot Tags: automatic load transfer switches, China automatic load transfer switches suppliers, auto load transfer switches manufacturers, automatic load transfer switches factory, automatic transfer switches price, discount