CTM7 overview

CTM7 is a component documented by ZIEHL industrie-elektro. The PDF description identifies it as "Relay for Energy Flow EFR3000 Optimization of consumption of own energy Zero Export Device, measuring transducer for power." This guide condenses the most useful engineering information from the available PDF so that designers and sourcing teams can identify the checks that still need confirmation in the original document.

Datasheet snapshot

  • Manufacturer: ZIEHL industrie-elektro...
  • Part number: CTM7
  • Category: IC
  • Datasheet length: 3 Pages

Specifications and operating details

The following points were extracted from the PDF text. Check the associated conditions, notes and limits in the complete document before using a value in a design.

  • Ratio programmable 3 relay outputs, 2 kW directly, higher loads with contactors 2 digital inputs Y1/Y2 for control signals Analog output for stepless regulation of a consumer Measuring transducer with analog output 0/4-20 mA for power L1.
  • Measuring range can be scaled Micro-USB port for configuration and update Interface RS 485 (Modbus RTU) Housing 140 mm wide Zero Export Device.
  • Switch off within <500 ms at inadmissible feed in that is contrary to contract Part numbers: S225760 EFR3000 Suitable current transformer (split core): S225770 KBR 18S, 60/1A, Klasse 3 0,4 VA Suitable mini current transformer: S225780 CTM7.
  • error Temperature factor Load Test conditions Operating temperature Dimensions (B x H x T) Protection housing/terminals Attachment Weight DC/AC 24 – 240 V 0/50/60 Hz, <3 W, <9 VA DC 20,4 - 297 V AC 20 - 264 V 3 x 1 change-over contact max.
  • 1.000 A AC 1/5 A / 1 mA ± 0,5% of fullscale ±1 digit 8 A continously, 25 A max.
  • 18,5 mm (isolated wire only) cable 2,5 m 0,5 mm on 35 mm DIN rail or with screws ca.
  • 7,5 mm (isolated wire only) Terminals 0,2...1,5 mm on 35 mm DIN rail or with screws ca.

Engineering review checklist

  • Confirm the exact ordering code, package, pinout or terminal arrangement and document revision.
  • Compare recommended operating conditions with absolute maximum ratings and retain adequate design margin.
  • Validate electrical, thermal, mechanical and environmental behavior in the final application.

Always confirm values against the latest manufacturer-controlled datasheet, especially when qualifying a substitute or releasing a production BOM.

View the complete PDF and model record

Open the CTM7 datasheet and model details to review the complete PDF, document pages and available product information.

Source attribution

Adapted from the PDF associated with this DigiCamel model page.

Source model URL: https://www.digicamel.com/product.php?slug=ctm7-ziehl-industrie-elektro