Resin Cast Current Transformers

Description	Rectangular current transformers in cast resin finish, available in any busbar size from 60A to 5000A with 1A or 5A secondaries.
Application	The range is suitable for metering, protective and class X types and is particularly suited to high current and large busbars, where the rectangular style allows for easy mounting of the current transformer.

Rectangular resin cast CT's are available in any busbar size. Therefore please specify

Busbar size required.
Busbar window dimensions required.
Outside size required.
Class, VA, Protection level etc. For example:

METERING CTs :- Specify class accuracy & VA (eg 5VA, class 1)

PROTECTION CTs :- Specify protection level & VA (eg 5P10 5VA)

CLASS X CTs :- Specify relay type, fault current, lead resistance, lead length.

Note: Terminal positions are supplied as shown below. If you require a different position please specify. Busbar clamp supplied as standard please specify if not required.

	Conform to IEC185, BS7626, BSEN 60044-1 and IEC 60044-1
	Rated system voltage 0.72/3kV.
	Ambient temperature range -30ºC to 80ºC
	Frequency Range 50-60Hz
	Insulation level 3kV for 1 minute
	Continuous current, 1.2 x rated current
	Supplied with M6 screw terminals.

The following standard sizes are available for your convenience. However you may specify your own size specifications as detailed above.

	A	B	C	D	E	VA	CLASS
60-200A*	12.5	31	38	75	45	2.5	1
300-600A	12.5	57	32	127	73	2.5	1
800-1000A	12.5	70	32	127	76	5	1
1200-2000A	25	82	32	140	89	10	1
2500-3500A	35	105	32	165	95	15	1
4000-5000A	45	150	38	225	110	15	1