Split Core CT - Bolt-On Type

The SPD Series bolt-on split core current transformer is designed for current measurement in new and existing electrical networks. It can be opened and installed around existing cables or busbars without disconnecting the primary circuit, reducing shutdown time, installation work and wiring modification.

This 500/5A class model range is suitable for energy metering, sub-metering, power monitoring, EMS, BMS, SCADA, digital power meters, energy analyzers, IoT gateways and IoTWatt 4.0 energy monitoring systems.

Type Bolt-on split core CT

Rated Current 500A model range

Secondary Output 5A or 1A options

Accuracy Class 1 / Class 0.5 options

Applications

Energy Metering

Suitable for metering and sub-metering of LV feeders, incomers and distribution panels.

Energy Management

Used with EMS, BMS, SCADA and IoTWatt 4.0 for energy monitoring and reporting.

Control & Monitoring

Provides current input signals for power meters, relays and monitoring devices.

Retrofit Projects

Can be installed without opening the cable or busbar primary circuit.

Specifications

Specification	SPD Series Bolt-On Split Core CT
Rated Current	3000A for this model page
Secondary Output	5A or 1A
Accuracy	0.5% to 1% from 10% to 150% of full scale range
Rated Test Voltage	3kV AC for 1 minute
Rated Short-Time Thermal Current	60In
Rated Dynamic Current	2.5Ith
Rated Voltage	0.72kV AC
Operating Temperature	-10°C to +50°C
Housing Rating	UL 94V0
Safety Factor	FS 5

Dimension and Product Images

SPD Series Split Core CT Dimension Drawing

Selection note: Select the CT based on the conductor size, primary current, secondary output, burden and accuracy requirement of the connected meter or monitoring device.

Model Selection Table

Model	Outer Dimension (mm)			Window Size (mm)		Installation Size (mm)		CT Ratio	Burden
Model	L	W	H	a	e	M	N	CT Ratio	Burden
SPD-XH-30x20	90	40	110	20	30	49	52	100/5 ~ 400/5	1VA ~ 2.5VA
SPD-XH-80x50	115	37	156	50	80	81	50	250/5 ~ 1000/5	1.5VA ~ 5VA
SPD-XH-80x80	145	37	159	80	80	111	45	250/5 ~ 1000/5	1.5VA ~ 5VA
SPD-XH-120x80	145	37	200	80	120	111	45	500/5 ~ 1500/5	2.5VA ~ 7.5VA
SPD-XH-160x80	185	53	248	80	160	118	45	1000/5 ~ 3000/5	10VA ~ 15VA

Typical Use with Energy Monitoring Systems

SPD Series bolt-on split core CTs are commonly used with digital power meters and energy analyzers for retrofit current measurement. They are suitable for feeder monitoring, main incomer monitoring, tenant sub-metering, demand monitoring and IoT-based energy data collection.

Digital power meters and energy analyzers
Energy metering and sub-metering panels
EMS, BMS and SCADA integration
IoT gateway and remote energy monitoring projects
IoTWatt 4.0 Digital Energy Audit and energy analytics

SPD Series Bolt-On CT Supply and Integration

Saturn Pyro supplies SPD Series bolt-on split core CTs, digital power meters, IoT gateways and complete energy monitoring integration for industrial and commercial sites in Malaysia. These CTs can be used with power meters, EMS, BMS, SCADA and IoTWatt 4.0 for energy monitoring, sub-metering and digital energy audit applications.

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