LMZBJ2-10Q

Category:

10 ~ 35kV current transformer

LMZBJ2-10Q

Model meaning

Model Code	L	M	Z	B	J	2	10	Q
Encoding content	Current transformer	Busbar type	pouring type	With protection level	Reinforced	Design serial number	Rated voltage	Structure code

Indoor LMZBJ2-10Q type epoxy resin cast insulated busbar type fully enclosed current transformer, suitable for power measurement, current detection and relay protection within 12kV and AC 50/60Hz, suitable for air insulated switchgear.

Technical parameters

Rated primary current (A)	Rated secondary current (A)	Accurate Level Combination	Capacity (VA)	Rated short-time thermal current (kA/s)	Rated dynamic stability current (kA)
1200、1250、1500	1（5）	0.2S/0.5/5P20	15/1515	40 ka/3s	100
2000、2500、3000	1（5）	0.2S/0.5/5P20	20/20/20	40 ka/3s	100
3150、4000	1（5）	0.2S/5P15/5P15	20/20/20	40 ka/3s	100
5000	1（5）	0.2S/5P20/5P20	20/20/20	40kA/3s	100

Products meet the standard GB20840.1, GB20840.2, IEC61869-1, IEC61869-2.

If users have special requirements, they can be determined after consultation with our company.

The above technical parameters are not the final technical commitment, please confirm our technical personnel shall prevail.

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

Busbar type, fully enclosed. Epoxy resin cast insulated current transformer.

The primary terminal is identified as P1, and the secondary terminal is identified as 1S1-1S2,2S1-2S2... This model has 8 secondary terminals and supports up to 4 secondary windings.

Technical Data

The electrical voltage of the equipment is 10KV, and the maximum operating voltage is 12kV. 1. power frequency withstand voltage of secondary winding and grounding 42kV/60s, power frequency withstand voltage between secondary winding and grounding 3kV/1min.

Lightning impulse withstand voltage 75 KV.

Other requirements shall be in accordance with GB20840.1, GB20840.2, IEC61869-1 and IEC61869-2.

Application Case