De-energized linear tap changer

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0102030405

WST de-energized, combined linear tap changer. Central ZH2 Opening hole dimensions Φ43

This tap changer is designed to be used in triple-phase oil-insulated transformers with frequencies of 50Hz and 60Hz. It is compatible with transformers rated at a maximum voltage of 10kV and 24kV, and a rated through-current of 30A and 63A. The tap changer can be directly mounted on the transformer tank cover and replaced when the transformer is de-energized.

product details

Model Meaning

Advantages

1. Its compact and well-designed structure allows for easy installation of the tap changer in spaces with limited room.

2. Designed with a flexible gear shifting mechanism, the tap changer ensures accurate positioning and easy adjustment to cater to various requirements, enabling efficient control.

3. With its small contact resistance, the tap changer contributes to the stability and efficiency of the circuit.

4. Designed with standardized manufacturing techniques, the tap changer can be tailored to suit specific needs. It provides cost savings without compromising on quality.

Details

Phase	Triple
Rated voltage	10kV，35KV
Rated current	63A～300A
Voltage regulation	0.025
Tapping positions	3～5

Voltage Regulation Principle

Outline

No.	Model No.	Regulating position	Install dimension mm
No.	Model No.	Regulating position	L	L1	L2	L3	L4	L5	H	H1	H2	H3	ΦC
1	WSTⅡ63/10-4×3ZH2	Central	450	174	145	59	99	24	180	78	70	67	80
2	WSTⅡ125/10-4×3ZH2		519	201	172	59	107	29	180	78	70
3	WSTⅡ250/10-4×3ZH2		519	201	172	67	112	29	180	78	70
4	WSTⅡ300/10-4×3ZZH2		670	267	239	67	112	34	190	78	70	75	105
5	WSTⅡ63/35-4×3ZH2		486	194	145	59	103	24	210	98	80	67	80
6	WSTⅡ125/35-4×3ZH2		571	222	177	59	107	29	210	98	80
7	WSTⅡ250/35-4×3ZH2		571	222	177	67	112	29	210	98	80
8	WSTⅡ300/35-4×3ZH2		758	312	258	67	133	34	210	98	80	75	105
9	WSTⅡ63/10-6×5ZH2		594	222	193	59	99	24	180	78	70	67	80
10	WSTⅡ125/10-6×5ZH2		693	259	230	59	107	29	180	78	70	67	80
11	WSTⅡ250/10-6×5ZZH2		800	310	282	67	112	29	180	78	70	75	105
12	WSTⅡ300/10-6×5ZZH2		879	335	310	67	112	34	190	78	70	75	105
13	WSTⅡ63/35-6×5ZH2		630	240	195	59	103	24	210	98	80	67	80
14	WSTⅡ125/35-6×5ZH2		745	280	235	59	107	29	210	98	80	67	80
15	WSTⅡ250/35-6×5ZZH2		1042	420	366	67	112	34	215	98	80	75	105
16	WSTⅡ300/35-6×5ZZH2		1042	420	366	67	133	34	215	98	80	75	105
1	WSTⅡ63/10-4×3ZH2		450	174	145	59	99	24	180	78	70	67	80
2	WSTⅡ125/10-4×3ZH2		519	201	172	59	107	29	180	78	70
3	WSTⅡ250/10-4×3ZH2		519	201	172	67	112	29	180	78	70
4	WSTⅡ300/10-4×3ZZH2		670	267	239	67	112	34	190	78	70	75	105
5	WSTⅡ63/35-4×3ZH2		486	194	145	59	103	24	210	98	80	67	80
6	WSTⅡ125/35-4×3ZH2		571	222	177	59	107	29	210	98	80
7	WSTⅡ250/35-4×3ZH2		571	222	177	67	112	29	210	98	80
8	WSTⅡ300/35-4×3ZH2		758	312	258	67	133	34	210	98	80	75	105
9	WSTⅡ63/10-6×5ZH2		594	222	193	59	99	24	180	78	70	67	80
10	WSTⅡ125/10-6×5ZH2		693	259	230	59	107	29	180	78	70	67	80
11	WSTⅡ250/10-6×5ZZH2		800	310	282	67	112	29	180	78	70	75	105
12	WSTⅡ300/10-6×5ZZH2		879	335	310	67	112	34	190	78	70	75	105
13	WSTⅡ63/35-6×5ZH2		630	240	195	59	103	24	210	98	80	67	80
14	WSTⅡ125/35-6×5ZH2		745	280	235	59	107	29	210	98	80	67	80
15	WSTⅡ250/35-6×5ZZH2		1042	420	366	67	112	34	215	98	80	75	105
16	WSTⅡ300/35-6×5ZZH2		1042	420	366	67	133	34	215	98	80	75	105