Rittal 7859410 PSM Measuring Module - IP20, 16A
Part Number: 7859410
Manufacturer
Rittal
Part number
7859410
Category
Alt Part Number
DK 7859.410
Quick Summary
Rittal 7859410 PSM Measuring Module accurately captures power usage on modular PSM busbars for compact electrical distribution. Engineers often struggle to record energy data without complicating installation or compromising safety in crowded control cabinets. This module is CE-marked, IP20 protected, and compliant with the Low Voltage Directive, helping you meet regulatory requirements while preserving safety. With CAN bus interfaces to the CMC III system and optional network protocols like SNMPv3, Modbus/TCP, and OPC-UA, it scales from a single module to larger installations. The combination delivers energy transparency, safer switching, and a clear ROI for panel builders and maintenance teams, enabling proactive maintenance and better energy management.
Product Information
Extended Description
7859410 Rittal: DK PSM measuring module, for modular PSM power distribution, occupies 2 slots in the busbar, output: IEC 60 320 8 x C13, input: 207 V – 250 V, 16 A, (max. 3680 W)
Article number
DK 7859.410
Product description
A power meter and switching functions for the output slots can be added to any PSM busbar with these PSM plug-in modules. The modules are also suitable for upgrading existing PSM installations if it becomes necessary to record the power data or add a switching option for the connected equipment. There are three variants available with different socket types. In the PSM busbar, the PSM modules occupy two module slots each. Measurements are displayed locally on a backlit LC display. For quick checks, the colour changes to red if current and power limits are exceeded.
Benefits
Simple, shock-hazard-protected, plug & play installation with the system operational
Function principle
Measurement of power consumption per module
Material
Socket inserts: Plastic (PA6 GF 30 V1) | Section: Aluminium, anodised
Supply includes
PSM measurement modules with CAN bus | CAN bus connection cable, 1 m
Distribution output per module
3,680 W
Switching load per relay
4,000 VA
Length
500 mm
Contamination level
2
Interface bus system
2 x CAN bus interfaces to CMC III (max. 16 on PU/4 on PU Compact)
Qty.
1
Relay version
Dual coil, bistable
Rated operating voltage
18 V (DC) - 24 V (DC), power supply via CMC III system
Input voltage
230 V AC
Tolerance of input voltage
± 10 %
Rated current
16 A
Required number of module slots
2
No. of participating PU compact (max.)
4
No. of participating PU (max.)
8
Directives
Low Voltage Directive 2014/35/EU
IP protection category to IEC 60 529
IP 20
Monitoring
Alarm management via CMC III (e.g. e-mail or text message)
Standards
EN 50 600-2-2
Measurement functions, description
Voltage V, current A, frequency Hz
Protocols
Network functionality (only in conjunction with CMC III system): IPv4, IPv6, SNMPv3, Modbus/TCP, OPC-UA
Dimensions
Width: 53 mm | Depth: 45 mm | Length: 500 mm
Maximum operating altitude
2,000 m
Operating temperature range
5 °C...60 °C
Ambient humidity (non-condensing)
90 %
Sockets
8 x C13
Relative humidity (non-condensing)
10 %
Storage temperature range
-20 °C...70 °C
Packs of
1 pc(s).
Weight/pack
1.005 kg
PCF per pack (cradle-to-gate)
3.8 kg CO2 eq (Cat B)
Note on PCF category
Category B: PCF value (cradle-to-gate) based on the product weight, approximately calculated and self-declared
Customs tariff number
85369001
EAN
4028177801844
ETIM 9
EC000330
ECLASS 8.0
27371306
Product description
DK PSM measuring module, for modular PSM power distribution, occupies 2 slots in the busbar, output: IEC 60 320 8 x C13, input: 207 V – 250 V, 16 A, (max. 3680 W)
Feature: Plug-and-play installation with two module slots; Business Impact: Reduces commissioning time and minimizes risk during panel energization; Application: Ideal for upgrading existing PSM busbars or integrating new lines without complex wiring. Feature: Local energy measurement per module with a backlit display; Business Impact: Quick verification of energy consumption, aiding in load balancing and fault detection; Application: Use during commissioning and routine maintenance to confirm module performance. Feature: 8 x C13 outputs, 230 V AC input up to 16 A per module; Business Impact: Maximizes distributed power options while maintaining safe, defined limits; Application: Primary distribution for controlled equipment in data centers or industrial automation panels. Feature: CAN bus connections to CMC III (and up to 16 PU on PU, 4 PU Compact); Business Impact: Seamless integration into CAN-based monitoring networks; Application: Scalable energy management across multi-module installations. Feature: IP20 protection, operating range 5 °C to 60 °C, up to 90% RH non-condensing; Business Impact: Reliable operation in typical factory environments; Application: Suitable for on-site monitoring in manufacturing cells and cabinet environments. Feature: Compliance with LVD (Low Voltage Directive) and EN 50 600-2-2; Business Impact: Simplifies regulatory alignment and documentation; Application: Essential for certified panel builds and customer audits.
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FAQs
The DK 7859.410 is designed to plug into modular PSM busbars and occupies two module slots. It supports CAN bus connectivity to the CMC III system and is compatible with pre-existing PSM installations, enabling quick upgrades without rewiring. Confirm slot availability and ensure the busbar backbone is compliant with the PSM interface specifications before mounting.
Module input is 230 V AC with a rated current of 16 A and a maximum distribution output of 3,680 W per module. The switching load per relay is 4,000 VA. It uses 8 x C13 sockets for outputs and operates within a 5 °C to 60 °C ambient range with up to 90% non-condensing humidity, making it suitable for typical industrial environments.
Yes. The DK 7859.410 measures voltage, current, and frequency per module and features a backlit display with a red color change when current or power limits are exceeded. Alarm management is available via the CMC III system, including email or text notifications to support proactive maintenance and fast fault isolation.
The module adheres to the Low Voltage Directive (EU 2014/35/EU) and carries an IP20 protection rating. It is designed for safe operation in industrial cabinets and is compatible with EN 50 600-2-2 standards, helping ensure regulatory compliance and safe integration into automated environments.
By providing per-module energy data and alarms, the module enables precise load balancing, reduces unexpected downtime, and supports energy governance for cost savings. Its plug-and-play design minimizes commissioning time, while CAN bus networking and remote monitoring capabilities reduce maintenance visits and improve panel reliability, delivering measurable ROI over the system lifecycle.