CSH30 Interposing Ring Current Transformer (CT) – Installation Sheet / Instruction Bulletin
Issue
Need for installation and application guidance for the CSH30 interposing ring CT used in residual current (Ir) measurements.
Product
CSH30 Interposing Ring Current Transformer (CT)
SEPAM protection relays
Environment
Power protection and metering systems using 1A or 5A current transformers, compliant with ANSI standards.
Cause
When measuring residual current (Ir), direct connection of certain CT configurations may not be suitable, requiring an interface device to ensure correct measurement and compatibility.
Resolution
The CSH30 interposing ring CT is used as an interface to enable accurate residual current (Ir) measurements when working with 1A or 5A current transformers. Refer to the CSH30 Installation Sheet / Instruction Bulletin (ANSI), document number 63230-216-252A1, May 2007, for detailed installation and wiring instructions.
The document is available in English and can be found in the related attachments.
Udgivet til: Schneider Electric Danmark
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