Wenzhou Kinee Electrical Co., Ltd. is one of the most reliable manufacturers and suppliers of 3 way power transfer switch 4 display ats in China. We warmly welcome you to wholesale 3 way power transfer switch 4 display ats for sale here from our factory. All customized products are with high quality and competitive price.
Product Introduction
The KNS5-3S/2X four-display three-power transfer switch is suitable for AC 50/60Hz circuits with an operating voltage of AC230V. This 3 Way power transfer switch 4 display ATS features three displays and automatic voltage regulation to ensure household electrical safety and protect family members from potential hazards. It is widely used in household appliances, factories, and similar applications.
This 3 Way power transfer switch 4 display ATS offers automatic switching, adjustable values, and priority phase sequence. It automatically detects the circuit voltage and switches to the usable circuit when the voltage is too high or too low.
When the original circuit voltage returns to normal, this 3 Way power transfer switch 4 display ATS automatically switches back to the original circuit. This product has a compact structure and elegant appearance and can be installed in parallel with MCB series products.
This 3 Way power transfer switch 4 display ATS complies with the following standards: JBT 12762, JGJ242-2011.
Product Description
1. Automatic Transfer Switch:with "Priority" phase
2.Microcontroller based
3. Parameter setting by knobs
4.Overvoltage and undervoltage protection
5. Overcurrent protection
6.LED indication for operating voltage
7.Din-rail mounting
8.Net weight: 378g
9.Size:90*96*66mm(W*L*H)
Function
1.Voltage protection
2.Current protection
3.3-channel single-phase power supply conversion
Main Technical Parameters
| Parameter | Value |
| Supply terminals | N,L1,L2,L3 |
| Rated supply voltage | AC 3* 220V(N-L1/L2/L3) |
| Rated frequency | 40/50/60/70Hz |
| Umax setting range | 230-300V |
| Umin setting range | 140-210V |
| Auto-reclosing delay (Ton) | 1-600s |
| Return delay to priority phase | 1-600s |
| Switch delay to reserve phases | <0.2s |
| Voltage hysteresis | 5V |
| Overvoltage trip delay | 0.1s; ≥350V: 0.02s |
| Undervoltage trip delay | 0.1s; ≥350V: 0.02s |
| Voltage accuracy | <1% |
| Max. operating phase voltage | 350V |
| Rated operating current | 63A/80A/100A |
| Max. operating current | 63A/80A/100A |
| Pollution degree | 3 |
| Electrical life | 10⁵ |
| Mechanical life | 10⁶ |
| Altitude | ≤2000m |
| Ambient temperature | -25℃~+50℃ |
| Permissible relative humidity | ≤50% at 40℃ (without condensation) |
| Storage temperature | -25℃~+55℃ |
| Conductor size | 0.5mm²~1mm² |
Front Panel Function Introduction
Dimensions
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