outdoor waterproof current transformers are applicable for AC power system 35kV and measurement of current of power supply equipment below 10KV also can be used for microcomputer protection. This type of current transformer employs imported silicon steel which with high permeability as magnetic material, has the characteristics of Small magnetic circuit loss and can be split, its semicircular core and secondary windings employ high quality epoxy resin vacuum, casting in plastic-case(ABS or PC) which is flame retardance anti-moisture, stable performance, no maintenance.

PARAMETERS

Technical parameters
Standards	IEC60044-1; IEC 61869-2; ANSI C57.13; NTC 2205; GB1208-2006
Accuracy Class	0.5S, 0.5%, 1%, 3%
Range of primary rated current	300-1200A
Range of Rated load	≤10VA
Rated frequency	50/60Hz
Rated secondary current	5A or 1A
Secondary winding power frequency withstand voltage	3kV, 1min
Safety Factor Rating	(FS) <10
Flame retardant ABS plastic shell inside, jaw waterproof apron.
Mechanical parameters
Aperture (mm)	Φ55
Dimensions (W×D×H) (mm)	180×138×52
Weight (kg)	2
Working conditions
Operating temperature	-35°C to +55°C, not exceeding +40°C
Environment	outdoors or indoors
The Height of above sea level	0- 3000m
Conditions	No existence of severely begrimed, erosive and radioactive gas in the air. Continuous working under the rated current is allowed.

SELECTION GUIDE

Model	Primary rated current	Rated load	Aperture (mm)	Description (mm)	Weight (kg)	Material	Water-proof
LMCK055-10	300-1200A	≤10VA	φ55	180×138×52	2	PC	IP65
LMCK185-10	300-3000A	≤25VA	φ185	350×283×55	4.5	PC	IP65
LZCK310-10	300-600A	≤10VA	φ50	φ50 x φ110 x 32	1	Resin	silicon case (option)
LZCK322-10	30-600A	≤10VA	φ50	φ50 x φ110 x 52	1.6	Resin	silicon case (option)
LZCK350-10	20-600A	≤25VA	φ50	φ50 x φ110 x 105	3.1	Resin	silicon case (option)
LZCG530-10	30-600A	≤20VA	φ45	φ45 x φ120 x 65	2.1	Resin	silicon case (option)