SE-CS40-6 - SE-CS40 Series

Series: SE-CS40 Questions? Contact Littelfuse Support

pdf icon SE-CS40 Datasheet

pdf icon CT Selection Guide

The Current Transformer (CT) Selection Guide provides assistance in selecting the appropriate CT for each protection relay.

pdf icon 11.1 Ground-Fault CT Selection Flowchart

GROUND-FAULT-CT SELECTION FLOWCHART...

pdf icon 11-1AU Earth-Fault CT Selection Flowchart Australia

EARTH-FAULT-CT SELECTION FLOWCHART...

pdf icon 11-2 Locating Phase Conductors in a Zero-Sequence-CT Window

An ideal window-type current transformer responds only to the sum of the currents flowing through its window...

pdf icon 11-3 Hammond CTs

HAMMOND CT’s...

pdf icon 11-4 Trailing Cable Types

TRAILING CABLE TYPES TECHNICAL INFORMATION...

pdf icon 11-5 Polycast 200 5 CT Test

POLYCAST 200:5 CT TEST TECHNICAL INFORMATION...

pdf icon 11-6 CT-Turns-Ratio Modification

A window-type current transformer is also referred to as a core-balance or flux-balance transformer...

pdf icon 11-7 GE Multilin 2000 1 CT Compatibility with Startco Relays

The HGF5 can be used as a ground-fault-current sensor with Startco MPS, MPU-32, MPU-16A, FPU-16, SE-701, and SE-330 protective relays...

pdf icon 11-8 Ground-Fault Current Transformer Location

A ground fault on a grounded system can be detected using a current-sensitive groundfault monitor...

pdf icon 11-9 Sensitive Ground-Fault Protection Using Split-Core CTs

A zero-sequence CT is optimized by using a symmetrical core and windings that are evenly spaced around the core. The symmetry allows the CT to operate in the presence of high load currents...

pdf icon TN CT-01 Ground Fault CT Selection Guide

pdf icon TN CT-02 Earth-Fault CT Selection Guide

pdf icon TN CT-10 CT and PT Polarity Testing

Correct operation of MPS and FPS relays depends on accurate polarity. Markings on current transformers (CT) and potential transformers (PT) have been occasionally misapplied from the factory...

pdf icon TN CT-11 FPL Zero-Sequence Sensors with Littelfuse Relays