Red New Lzzbj71-35W Pouring Outdoor Current Transformer 35kv High Voltage Current Transformer

• Application: Electronic, Instrument
• Type: Current Transformer
• Phase: Single
• Model NO.: LZZBJ71-35W
• Operation Condition: Indoor
• Usage: Protection, Measurement
• Winding Form: Single Layer & Tightly Wound Type
• Insulating Medium: Epoxy Resin
• Installation: Strut Type
• Magnetic Circuit Structure: Single Stage Type
• Voltage Transformation Principle: Electromagnetic Type
• Transport Package: Wooden
• Specification: ISO9001, GB/T20840, IEEE, IEC
• Trademark: DAHU
• Origin: China
• HS Code: 8504311000
• Production Capacity: 10000PCS/Mouth

Product Description

Product Model: LZZBJ71-35W, this is an outdoor current transformer for 35KV high voltage system.

Insulation method: casting type, this compact structure, easy maintenance, suitable for 3kV ~ 35kV indoor power distribution equipment.

Application scenario: suitable for rated voltage 35kV and below, rated frequency 50Hz power system, for metering, measurement and relay protection.

Product features:

Epoxy resin fully closed casting, fully closed insulation, small size, light weight, stable operation, maintenance-free.
It has strong dynamic thermal stability, and can be produced into multi-variable ratio form according to user requirements, which is favorable for capacity expansion and investment reduction.
Measuring level is manufactured by ultra-microcrystalline alloy core, and measuring and protection level is manufactured by imported high-quality silicon steel sheet core, with high precision, low power, small temperature rise and stable performance.
Installation: Outdoor type, suitable for outdoor installation of 35kV and above voltage level.

Insulation performance: stable and reliable insulation performance, experienced operation and long service life.

Environmental adaptability: suitable for outdoor environment, able to withstand certain ambient temperature changes and altitude.

This information provides the basic technical information and application scenarios of the red new LZZBJ71-35W cast outdoor current transformer 35KV high voltage current transformer, which helps to understand its performance and conditions of use.


NORMAL ENVIRONMENTAL USAGE

1. Altitude: Should not exceed 1000m
2. Ambient temperature:-5ºC~+40ºC
3. Air Relative Humidity: Less than or equal to 85%
4. Air relative site: Indoor.

TECHNICAL PARAMETERS

1. Insulation level:12/42/75kV
2. Power factor:cosΦ=0.8(lag)
3. Rated secondary current: 5A or 1A
4. Rated frequency: 50Hz or 60Hz
5. Weight: 21kg

This type of current transformer adopts epoxy-resin vacuum casting and fully enclosed post structure, is applicable for power systems of rated frequency 50Hz or 60Hz rated voltage up to and including 10kV, used for electric energy metering, current measurement, and relay protection, it can be an arbitrary combination of classes 0.2S, 0.2, 0.5 and 10P.
It complies with the standards GB20840.1-2010 Instrument transformers-Part 1: General requirements, GB 20840.2-2014 Instrument transformers- Part 2: Additional requirements for current transformers, and JJG 313-2010 Instrument Current Transformers.

NORMAL ENVIRONMENTAL USAGE

1. Altitude: Should not exceed 1000m
2. Ambient temperature:-5ºC~+40ºC
3. Air Relative Humidity: Less than or equal to 85%
4. Air relative site: Indoor.

TECHNICAL PARAMETERS

1. Insulation level:12/42/75kV
2. Power factor:cosΦ=0.8(lag)
3. Rated secondary current: 5A or 1A
4. Rated frequency: 50Hz or 60Hz
5. Weight: 21kg

TRANSFORMER RATIO
 

Rated primary current(A)	Accuracy class	Rated output(VA)	Rated short-time thermal current(kA/s)	Rated insulation level(kA)
5	0.2S 0.2S/0.5 0.2S/0.5/10P10 0.2S/10P10	10 10/10 10/10/15 10/15	0.36	0.9
10			0.72	1.8
15			1.08	2.7
20			1.44	3.6
25			1.8	4.5
30			2.16	5.4
40			2.88	6.3
50			3.6	7.2
60			4.32	8.1
75			5.4	13.5
80			5.76	14.4
100			7.2	18
120			8.64	21.6
150			10.8	27
200			14.4	36
250			18	45
300			21.6	54
400			28.8	63
500			36	72
600			43.2	108
800			57.6	120
1000-1500			172	144