Rittal 9393231 Current Measurement Module - IP20 Compliant
Part Number: 9393231
Manufacturer
Rittal
Part number
9393231
Category
Alt Part Number
9393.231
Quick Summary
Rittal 9393231 Current Measurement Module enables precise current monitoring in modular network analysers for industrial control panels. Engineers often struggle to add channels without bloating the bus or complicating installation in crowded switchgear environments. It incorporates IP 20 protection and CAT II measurement category, plus a 2.5 kV impulse withstand rating, supporting safe, compliant operation in typical panel surroundings. The module is designed to extend REM 801 to a maximum of 92 current measuring channels and can connect up to 10 extension modules with a 100 m bus length, preserving system integrity and minimizing wiring complexity. This translates to faster deployment, easier maintenance, and scalable measurement architecture for modern energy and power management applications.
Product Information
Extended Description
9393231 Rittal: SV Current measurement module REM 800-CT-8-A for secondary current converters
Article number
9393.231
Design
REM 800-CT-8-A | For secondary current transformers (1 A/5 A)
Product description
To extend the modular network analyser REM 801 to a maximum of 92 current measuring channels or for connecting remote system parts etc. Up to 10 extension modules, such as current measurement modules with a maximum bus length of 100 m, may be connected via the internal bus or the bus connection modules.
Note on Model No.
Measurement category CAT II
Operating temperature range
-10 °C...55 °C
Storage temperature range
-25 °C...70 °C
Ambient humidity (non-condensing)
5...95 %
Contamination level
2
IP protection category to IEC 60 529
IP 20
For mounting on support rails
Yes
Connection of round conductors, fine wire with wire end ferrule
0.2 ‐ 2.5 mm²
Connection of round conductors, fine wire without wire end ferrule
0.2 mm²
Connection of round conductors, single-wire
0.2 ‐ 2.5 mm²
Connection of round conductors, multi-wire
0.2 ‐ 2.5 mm²
Nominal current for current sensors
5 A
Overvoltage category
300 V
Rated impulse withstand voltage Uimp
2.5 kV
Power consumption (approx.)
0,2 VA (Ri = 5 mΩ)
Measurement range
0...6 A
Fundamental frequency
40...70 Hz
Harmonic
1...25
Packs of
1 pc(s).
Customs tariff number
85389099
EAN
4028177985025
Product description
SV Current measurement module REM 800-CT-8-A for secondary current converters
Feature → Business Impact → Application: The REM 800-CT-8-A design is specialized for secondary current transformers (1 A/5 A), enabling reliable measurement across CT configurations. This reduces calibration steps and enables precise power monitoring in mains and distribution panels, supporting energy efficiency programs in manufacturing environments. Feature → Business Impact → Application: By supporting up to 92 measuring channels with the REM 801 and a maximum bus length of 100 meters across 10 extension modules, engineers gain a scalable, low-wire-count solution that minimizes cabinet space and installation time in large control rooms. Feature → Business Impact → Application: DIN-rail mounting and an IP 20 rating simplify panel integration, enabling quick retrofits and standardised enclosure layouts for new builds, reducing commissioning risk. Feature → Business Impact → Application: The 0–6 A measurement range with a 5 A nominal sensor current ensures compatibility with a wide range of peripheral current transformers, enabling accurate energy data for power quality and load management projects. Feature → Business Impact → Application: Low power consumption (approximately 0.2 VA) and compact form factor lower operating costs and heat load, supporting dense rack installations and improved thermal management in data- and energy-centric automation environments.
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FAQs
Install on a standard DIN rail within an enclosure, connect to the REM 801 backplane via the internal bus or bus connection module, and attach the secondary current transformers (1 A/5 A). Confirm power and bus continuity up to 100 m when using extension modules, and ensure enclosure IP20 protection is maintained.
The module supports a measurement range of 0 to 6 A with a nominal current of 5 A for the current sensors, making it compatible with common CT configurations used in industrial power monitoring.
Yes. It is designed for mounting on support rails (DIN rail) inside control panels and enclosures, with IP20 protection suitable for indoor, non-condensing environments.
It features an overvoltage category of 300 V, a rated impulse withstand voltage Uimp of 2.5 kV, and a measurement category CAT II, ensuring safe operation with low-energy panel circuits.
ROI improves as you gain scalable channel expansion (up to 92 channels) with up to ten extension modules and a 100 m bus, reducing wiring complexity, cabinet real estate, and maintenance events while enabling centralized energy and power monitoring.