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Home > Automatic Transfer Switch (ATS) > Wholesale SJKQ1 Manual/Automatic Dual-Use ATS Automatic Transfer Switch Suppliers, Factory
Wholesale SJKQ1 Manual/Automatic Dual-Use ATS Automatic Transfer Switch Suppliers, Factory
Wholesale SJKQ1 Manual/Automatic Dual-Use ATS Automatic Transfer Switch Suppliers, Factory
Wholesale SJKQ1 Manual/Automatic Dual-Use ATS Automatic Transfer Switch Suppliers, Factory
Wholesale SJKQ1 Manual/Automatic Dual-Use ATS Automatic Transfer Switch Suppliers, Factory
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Wholesale SJKQ1 Manual/Automatic Dual-Use ATS Automatic Transfer Switch Suppliers, Factory
Wholesale SJKQ1 Manual/Automatic Dual-Use ATS Automatic Transfer Switch Suppliers, Factory
Wholesale SJKQ1 Manual/Automatic Dual-Use ATS Automatic Transfer Switch Suppliers, Factory
Wholesale SJKQ1 Manual/Automatic Dual-Use ATS Automatic Transfer Switch Suppliers, Factory

Wholesale SJKQ1 Manual/Automatic Dual-Use ATS Automatic Transfer Switch Suppliers, Factory

The SJKQ1 ATS Automatic Transfer Switch ensures uninterrupted power supply by automatically transferring loads between two sources (e.g., grid/generator) during outages or fluctuations. Operating at AC 220V-440V/50-60Hz with 6A-400A current range, it achieves seamless transitions (<100ms) via 32-bit ARM Cortex monitoring and adjustable delays (0.5-30s). This ATS features mechanical/electrical interlocks to prevent backfeeding, alongside over/undervoltage and phase-loss protection. Ideal for critical facilities, the SJKQ1 Automatic Transfer Switch guarantees reliability with auto-reversion logic and customizable hysteresis for stable power management.

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Product Description

Type Designation
Type Designation
Code Description
1Manufacturer Code
2Special Variant Code (ATS)
3Frame Size
4Circuit Breaker Type: C/DN
5Number of Poles: 4P (4-Pole), 3P (3-Pole)
6Controller Type: M (Terminal Type), Z (Smart Type)
Operation Environment
  • Ambient Air Temperature: Upper limit not exceeding +40°C, lower limit not below -5°C, with a 24-hour average not exceeding +35°C.
  • Altitude: Installation site altitude not exceeding 2000m.
  • Atmospheric Humidity: Relative humidity not exceeding 50% at +40°C. Higher humidity is allowed at lower temperatures (e.g., 90% at +25°C). Special measures should address condensation.
  • Pollution Degree: Level III.

Operating Condition Note: Free from severe vibration, impact, corrosive gases, insulation-damaging dust, conductive particles, explosive materials, and strong electromagnetic interference.

Product Display
ATS Product 1
ATS Product 2
ATS Product 3
ATS Product 4
ATS Product 5
ATS Product 6
Technical Parameters

ATS Basic Parameters

FeatureDetails
Compliance StandardGB/T14048.11
ATS ClassCB
Utilization CategoryAC-33iB
Rated Operational Voltage (Ue)AC220-400V
Rated Frequency50Hz/60Hz
Rated Current (Ie)6A, 10A, 16A, 20A, 25A, 32A, 40A, 63A
Transfer Time<3s (Factory-Preset)
Electrical Life1500 times
Mechanical Life6000 times
Rated Short-Circuit Making Capacity (Icm)7.5KA

Terminal vs Smart Type

Function Terminal Type Smart Type
Operation ModeAuto & ManualAuto/ Manual/ Off
DetectionPhase-LossUndervoltage & Phase-Loss
Fire LinkageNoneFire Alarm Cutoff (DC 12-24V)
DisplaySignal IndicationIntegrated Display
Dimensions & Installation
Dimension Drawing 1
Dimension Drawing 2
Model Overall (mm) Installation (mm)
LWHL1W1Ad
4-Pole Switch2201321202001204
3-Pole Switch1851321201651204
FAQ
What is the transfer time for this Automatic Transfer Switch?
The transfer time is factory-preset to be less than 3 seconds.
What is the difference between Terminal Type and Smart Type?
The Smart Type includes undervoltage detection and a fire alarm linkage cutoff (DC 12-24V), which are not available in the standard Terminal Type.
What are the environmental requirements for installation?
It should be installed at an altitude below 2000m, with ambient temperatures between -5°C and +40°C, in a pollution Level III environment.
What is the service life of the switch?
The switch is designed for high durability, featuring an electrical life of 1,500 operations and a mechanical life of 6,000 operations.
Does the switch support manual operation?
Yes, both the Terminal and Smart types support both Automatic and Manual operation modes.

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