ABB - Electrification CMS-820 - This component is part of the CMS (Circuit Monitoring Systems) familiy. CMS components are made to measure the final circuits (branches) of installations. Each monitoring system consists of a Control Unit and sensors with different measurement ranges and mounting possibilities. To create a bus connection between the Control Unit an the sensors, there are no any additional tools needed. The insulation displacement connectors can be connected by applying a small amount of pressure to the flat cable. Quick, easy and reliable.
ABB - Electrification

CMS-820

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Overview

The ABB CMS-820 Connector Set (SKU: CMS-820) is an essential accessory for the ABB Circuit Monitoring System (CMS) family, facilitating rapid and reliable tool-free bus connections between CMS Control Units (CMS-600, CMS-700) and CMS sensors. This connector set is designed for industrial and commercial electrical installations, significantly reducing installation time and minimizing the potential for connection errors by eliminating the need for additional wiring tools. The insulation displacement connectors utilize a simple pressure application to securely attach to flat cables, ensuring stable and robust connections for long-term system reliability. The CMS-820 is compatible with a broad range of ABB CMS sensors, including open-core (e.g., CMS-120PS, CMS-121PS, CMS-122PS, CMS-120DR, CMS-121DR, CMS-122DR, CMS-120CA, CMS-121CA, CMS-122CA) and closed-core models (e.g., CMS-100PS, CMS-101PS, CMS-102PS, CMS-100S8, CMS-101S8, CMS-102S8, CMS-100DR). These sensors support current ratings of 20A, 40A, 80A, and 160A. The system offers versatile mounting options, including DIN-rail (35 mm acc. DIN50022), cable mounting, and direct integration with installation device terminals such as pro M compact, SMISSLINE, and S800 series. Seamless integration is provided with ABB's CMS ecosystem. The CMS-600 control unit operates on 24 VDC supply voltage, supports up to 64 sensors with a data refresh time of ≤1 second via Modbus RTU (RS485 2-wire), and features a temperature range of -25°C to +70°C. The CMS-700 control unit operates on 80-277 VAC supply voltage, supports up to 96 sensors with a refresh time of ≤1 second, and offers Modbus RTU/TCP and SNMP connectivity. The CMS-700 provides enhanced monitoring capabilities including power factor, active power, apparent power, and harmonic component measurements, with voltage and current accuracy of ±1% and ±2% respectively. Both control units are certified to IEC 61010-1 and UL 508 standards, ensuring compliance with global safety and performance requirements. The CMS-820 connector set is manufactured in Germany (DE).
  • Tool-free bus connection for ABB CMS circuit monitoring systems.
  • Utilizes insulation displacement connectors for quick and reliable installation.
  • Compatible with CMS-600 (24 VDC) and CMS-700 (80-277 VAC) control units.
  • Supports a wide range of CMS sensors with current ratings from 20A to 160A.
  • Versatile mounting options: DIN-rail, cable, and installation device terminals.

Specifications

Connection Type
Insulation displacement connectors (flat cable)
Connection Type
Insulation Displacement Connector (Tool-free)
Current Rating
20 A, 40 A, 80 A, 160 A
Mounting Type
Various mounting possibilities
Mounting Type
DIN-rail, Cable, Installation Device Terminals
Series
CMS (Circuit Monitoring Systems)
Series
CMS
Special Features
This component is part of the CMS (Circuit Monitoring Systems) familiy. CMS components are made to measure the final circuits (branches) of installations. Each monitoring system consists of a Control Unit and sensors with different measurement ranges and mounting possibilities. To create a bus connection between the Control Unit an the sensors, there are no any additional tools needed. The insulation displacement connectors can be connected by applying a small amount of pressure to the flat cable. Quick, easy and reliable.
Voltage Rating
24 VDC (CMS-600) / 80-277 VAC (CMS-700)
Package Dimensions (L x W x H)
7.48 IN x 4.33 IN x 0.39 IN
Package Dimensions (L x W x H)
18.9992 cm x 10.9982 cm x 0.9906 cm
Package Weight (Imperial)
0.100 L
Package Weight (Metric)
0.045 kg
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