*mydirectindustry

CTBC17 series

Product catalog summary

Device Features
The CTBC17 series measuring current transformers are designed for AC/DC sensitive residual current measurement, compliant with IEC 62752 and IEC 60755 standards. They are suitable for DC fault current monitoring to protect type A RCDs and feature a shield to prevent interference from high load currents and external magnetic fields. These transformers are available for PCB mounting and come with connection cables for direct mounting, depending on the variant.

Product Description
The transformers can be used in both earthed and unearthed DC, AC, and 3(N)AC systems. They include integrated magnetic field shielding to prevent external magnetic interference.

Applications
These transformers are used for AC/DC sensitive residual current measurement in power supply systems with a rated voltage up to 600 V and a rated current of 80 A, where DC fault currents may occur.

Technical Specifications

Rated voltage: 600 V
Rated load current: 80 A
Rated primary residual current: 1000 mA
Operating temperature range: -30 to +80 °C (cable), -35 to +85 °C (sensor)
Degree of protection: IP40 (device), IP30 (connection)

Installation Instructions
The measuring current transformer must be connected to the evaluator before system commissioning. All current-carrying cables should be routed through the transformer, avoiding shielded cables and protective conductors.

Ordering Information
Various models and cable lengths are available, with specific part numbers for ordering. Accessories include suitable evaluators and mounting screws.

Connection and Mounting
The transformers are available in PCB and cable variants, with specific pin assignments and connection examples provided for each type. The recommended PCB thickness is 1.6 to 2.4 mm, and the connection cable features a 6-pole plug connector.

Environmental and Mechanical Conditions
The transformers are classified for various climatic and mechanical conditions according to IEC 60721 standards, suitable for stationary use, transport, and long-term storage.

Catalog excerpts

CTBC17 series AC/DC sensitive measuring current transformers

Open the catalog to page 1

AC/DC sensitive measuring current transformers (conformity for cable variant only) Device features • Suitable for AC/DC sensitive residual current measurement according to IEC 62752 and IEC 60755 • Suitable for DC fault current monitoring to protect type A RCDs in conjunction with the listed evaluators • Shield to prevent interferences caused by high load currents and external magnetic fields • Connection cable for direct mounting available (depends on variant) • Can be used in applications according to Product description The AC/DC sensitive measuring current transformers can be used in all...

Open the catalog to page 2

Measuring current transformers CTBC17 series Technical data Insulation coordination according to IEC 60664-1 CT cable feed-through opening on primary side (IC1) Measuring circuit; CT on secondary side (IC2) Connection cable measuring circuit (IC3) Operating altitude Basic insulation < 4000 m AMSL Double insulation < 2000 m AMSL Rated impulse voltage Rated insulation voltage Safe separation (double insulation) between Insulation coordination according to IEC 62955 Pin length from top edge of PCB Connection windings Pin length from top edge of PCB Enclosure retaining pin pull-out forces Soldering...

Open the catalog to page 3

Measuring current transformers CTBC17 series Z BENDER Connection cable plug Pin assignment plug application side Pin no

Open the catalog to page 4

Measuring current transformers CTBC17 series Observe bending radius of the connection cable: – Once = 8x Da* – Several times = 15x Da* * Da = external diameter Dimension diagram – PCB variant Dimensions in mm General tolerance acc. to ISO 2768-1 m 21,3 ±0,5 Länge Kontaktstifte/Contact pins 3,9 ±0,3 Länge Lötpinfixierung/Fixing pins Dimensions in mm General tolerance acc. to ISO 2768-1 f Drilling diagram PCB mounting 4 x ø1 2 x Ø 2,70 Optionale Fixierung/ Optional fixation 2 x Würth WüPlast 2,5x8

Open the catalog to page 5

Measuring current transformers CTBC17 series Pin assignment sensor pin side CTBC17P-03 Measurement winding Measurement winding Test winding n. c. Measurement winding Test winding Connection example Cable variant – CTBC17 with CC613 charge controller Connection example PCB variant – CTBC17 with RCMB104 evaluator working voltage to driver circuit, control electronics or µC Residual current sensor Laderegler Charge controller

Open the catalog to page 6

Measuring current transformers CTBC17 series Installation instructions measuring CTs The measuring current transformer must be connected to the evaluator before commissioning the system. Output connections shall be powered by Class 2 or Limited Voltage / Limited Current circuits.! 1 Primary conductor All current-carrying cables must be routed through the measuring current transformer. Do not route any shielded cables through the measuring current transformer! PE Never route an existing protective conductor through the measuring current transformer. The primary conductors may only be bent from...

Open the catalog to page 7

eMobility E-Mail: [email protected] www.bender.de/loesungen/emobility BENDER Group CTBC17_D00421_01_D_XXEN/05.2023 / © Bender GmbH & Co. KG, Germany – Subject to change! The specified standards take into account the edition valid until 05.2023 unless otherwise indicated. Bender GmbH & Co. KG Londorfer Straße 65 • 35305 Grünberg • Germany Tel.: +49 6401 807-0 • [email protected] • www

Open the catalog to page 8

CTBC17 series

CTBC17 series

Catalog excerpts

All BENDER GmbH & Co KG catalogs and technical brochures