UNE20

Category:

10 ~ 35kV voltage transformer

UNE20

Model meaning

Model Code	U	N	E	20
Encoding content	Voltage transformer	Pouring insulation	Winding with residual voltage	Rated voltage of equipment

Indoor UNE20 epoxy resin cast insulation fully enclosed voltage transformer, suitable for power measurement, voltage detection and relay protection within 20kV and AC 50/60Hz, suitable for air insulated switchgear.

Technical parameters

Rated voltage (kV)	Accurate Level Combination	Rated output (VA)	Thermal Limit Output (VA)	Rated insulation level (kV)	Rated frequency (Hz)
20:√ 3/0.1:√ 3,0.1:3	0.2/3P(6P)	45/100	600	24/65/125	50~60
20:√ 3/0.1:√ 3,0.1:3	0.5/3P(6P)	100/100	600	24/65/125
20:√ 3/0.1:√ 3,0.1:3	1.0/3P(6P)	200/100	600	24/65/125

Note:

1. The product conforms to GB20840.1, GB20840.3 and IEC61869-1, IEC61869-3.

2. The above form is not the final technical commitment, please confirm with our technical personnel.

Product Information

Product Description

Conditions of use

Installation location: indoor.

Ambient temperature:-25 ℃ ~ 40 ℃, daily average temperature is not more than 30 ℃.

Altitude: ≤ 1000m, higher altitude can be selected as required.

Humidity: The maximum relative humidity at room temperature is 95%.

Pollution severity: Grade II.

There shall be no violent vibration or collision at the installation site.

The installation site is free of gas, steam, chemical deposition, explosion and corrosive media that seriously affect the insulation of the transformer.

Structural Overview

Fully enclosed, single-phase, epoxy cast insulated voltage transformer.

The primary terminal is identified as A- N, and the secondary terminal is identified as a-n. da-dn, this model has 5 secondary terminals and supports 2 secondary windings.