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Home > Automatic Transfer Switch (ATS) > ODM SJKQ2Z ATS Switch Dual Power For LV Power Factory, Companies
ODM SJKQ2Z ATS Switch Dual Power For LV Power Factory, Companies
ODM SJKQ2Z ATS Switch Dual Power For LV Power Factory, Companies
ODM SJKQ2Z ATS Switch Dual Power For LV Power Factory, Companies
ODM SJKQ2Z ATS Switch Dual Power For LV Power Factory, Companies
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ODM SJKQ2Z ATS Switch Dual Power For LV Power Factory, Companies
ODM SJKQ2Z ATS Switch Dual Power For LV Power Factory, Companies
ODM SJKQ2Z ATS Switch Dual Power For LV Power Factory, Companies
ODM SJKQ2Z ATS Switch Dual Power For LV Power Factory, Companies

ODM SJKQ2Z ATS Switch Dual Power For LV Power Factory, Companies

The SJKQ2Z ATS Automatic Transfer Switch integrates seamlessly with SJKM1 series circuit breakers to provide reliable power switching for 100A-1250A loads at 400V AC/50-60Hz. Designed for critical backup systems, this ATS features adjustable delay timing (0-30s), 2500V insulation withstand, and 5000-cycle mechanical endurance. With 3P/4P configurations and AC230V control voltage, the SJKQ2Z Automatic Transfer Switch ensures smooth transitions between primary and secondary sources while preventing flicker or breakdown. Ideal for industrial and commercial applications, it combines robust construction with intelligent monitoring for uninterrupted power distribution.

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Product Description

Type Designation

Type Designation Diagram
No. Description
1Manufacturer Code
2Auto-Transfer Function
3Derivative Code: (): MCCB; W: Compact Type; W1: Economy Type; W2: Smart Type (Undervoltage/Phase-Loss/Off/Fire Protection)
4Function Code: R-Grid-to-Grid (Optional); F-Grid-to-Generator; M-Terminal Type (Optional); Y-Integrated Smart Type (Off/Fire Protection/Undervoltage); N-Split Smart Type (Off/Fire Protection/Undervoltage)
5Frame Size Current
6Number of Poles
7Rated Current (In)

Setting Program Instructions

LCD Panel Interface
Panel Layout:

1. LCD Display | 2. SET Button | 3. Right-Shift Button | 4. Increment Button(+) | 5. Decrement Button (-) / Alarm | 6. Manual Mode Button | 7. Auto Mode Button | 8. Dual-Off Button

Note: LCD display abbreviations: "auto-reclose" (AR), "No auto-reclose" (NAR), "SF01" must not be changed.

Step Key Press Display Operation Function
1SETCodEEnter setting modePassword setup
2-5>>8888Enter password digitsPassword setup 8888
6>>dddd/N-R 03sCorrect password shows delayNormal-Backup transfer time
10-11>>SF 08sSet dual-off timeDual-off transfer time
12>>FFF 1Set auto-recovery1=ON, 0=OFF
13>>FD 0Set generator mode0: Full-auto, 1: Semi-auto
15>>H 130Set Overvoltage220V * 130%
16>>L 50Set Undervoltage220V * 50%
23>>SAVEConfirmationSave data

Product Display

Product View 1
Product View 2
Product View 3
Product View 4

Technical Parameters

Model Parameter Specifications
Circuit Breaker ModelSJKM1 Series
Rack Current (A)100, 225, 400, 630, 800, 1250
Rated Operational Voltage400V
Insulation Voltage2500V (No flicker/breakdown within 1 min)
Frequency50-60Hz
Delay Time0~30s Adjustable
Control VoltageAC230V
Mechanical Life5000 Times

Outline and Installation Dimensions

Dimensions Diagram
Size Dimensions W W1 L L1 H
SJKQ2Z-100/4P420385220200120
SJKQ2Z-225/4P465435220205140
SJKQ2Z-400/4P605555310285190
SJKQ2Z-630/4P690635320295195

Installation and Usage Instructions

Wiring Diagram
  • 21: Normal Neutral Line
  • 22: Alternate Neutral Line
  • 23,24: Normal Source ON Indicator
  • 25,26: Alternate Source ON Indicator
  • 31,32: Duo Status Indicator Light
  • 33,34: Fire Signal Input / AC or DC6-24Dry
  • 35,36: Generator Contact (5A)

Frequently Asked Questions

What is the primary function of the SJKQ2Z ATS?
The SJKQ2Z is an Automatic Transfer Switch designed to automatically switch power between a normal source and a backup source (grid or generator) to ensure continuous power supply.
Can the transfer delay time be adjusted?
Yes, the delay time is fully adjustable between 0 to 30 seconds through the LCD control panel settings.
Does this switch support fire protection signals?
Yes, the W2 Smart type and other specific models include fire signal input (terminals 33 and 34) for emergency disconnection.
What are the available frame sizes for this series?
The series covers a wide range of frame sizes including 100A, 225A, 400A, 630A, 800A, and up to 1250A.
How do I enter the settings mode on the LCD display?
Press the SET button and enter the default password "8888" using the shift and increment buttons to access the configuration parameters.
What is the mechanical life expectancy of the switch?
The SJKQ2Z ATS is rated for a mechanical life of up to 5,000 cycles, ensuring long-term reliability in industrial applications.

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