SEL Summing CT

Summing Current Transformers

Monitor multiple CT feeds with the SEL Summing (totalizing) CT. Combine SEL-CT Split-Core Current Transformers and a Summing CT to build an economical maximum demand ammeter that sums up to five individual CT inputs into a single output. This summation solution lets you monitor multiple feeders to understand distribution transformer loading.

The SEL Summing CT is encapsulated in potting compound. The primary and secondary terminals are stainless steel.

Starting At

$215

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In-Service Installation—Use SEL Summing CTs along with the shorting block accessory for electrical load surveys, submetering for department costing, and in conjunction with demand, kilowatt-hour meters. A combination of SEL Summing CTs and the shorting block accessory allow installation when secondary load is present.

Details

Summing Current Transformer
Sums up to five individual SEL-CTs into a single output

CTs Supported	Part Number	Dimensions L W H	Accuracy 5 A Secondary 2.5 A Secondary	Order
2	10A5	6" 4" 1.6"	3% 6%	Order
3	15A5			Order
4	20A5			Order
5	25A5			Order

Other Current Transformers
Split-Core Current Transformers
Submersible Separable-Core Current Transformers

Accessories for Current Transformers

Description	Part Number	Length	Connector	Order
Self-shorting current connector,¹ 8-position male	915900048	8 feet	8-position male	Order
Self-shorting current connector,¹ 6-position male	915900264	20 feet	6-position male	Order

¹ Connector is not submersible

The Firmware IDs for older versions of the firmware can typically be found in Appendix A of the instruction manual.