- Overview
- Product Description
- Detailed Photos
- Product Parameters
- Installation Instructions
- Certifications
- FAQ
Basic Info.
Model NO.
STQ3-1250A/4P
Operation
Rotating Handle
Certification
CCC
Type
Integrated automatic transfer switch
Poles
4P
Output type
Multiple
Operating Voltage
AC400V
Operating Current
1250A
Utilization Category
AC-33ib
Transport Package
Carton Box
Specification
40.6*17.9*23
Trademark
OEM
Origin
China
Production Capacity
10000PCS/Month
Product Description
STQ1 Automatic Transfer Switch (hereinafter referred to as ATS) using the self manufacturing high breaking capacity MCB, only for the two power sources to switch between each other, shall not be used in the main power switch, suitable for AC 50/60Hz, rated operating voltage 230/400V rated operating current 63A below the power supply system, only automatic or manual operation to complete the commonly used power supply and standby power switch. The ATS is mainly used in hospitals, shops, banks, chemical industry, metallurgy, high-rise buildings, charity facilities and other places where the two power sources need to switch each other. 
Structure Overview
1. What's 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,Western union etc.
5. What if there's 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 customer's loss to the lowest.
| product type | Automatic Transfer Switch |
| Class | PC |
| Operating Current | 100A 125A 160A 250A 400A 630A 1000A 1250A 1600A 2000A 2500A 3200A |
| Operating Voltage | AC400V(3P/4P) |
| Frenquency | 50/60Hz |
| Utilization Category | AC-33B, AC-33iB |
| Control Voltage | DC24V, 48V, 110V and AC220V |
| Insulation Voltage | 750V, 1000V |
| Transition Time | 0.6~2.4S |
| Operation Type | Manual or Automatic |
| Fire protection | Optional |
Structure Overview
1. What's 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,Western union etc.
5. What if there's 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 customer's loss to the lowest.