ABB 1SVR550851R9400 CM-ENE MAX Liquid Level Relay - CE/UKCA Certified
Part Number: 1SVR550851R9400
Quick Summary
The CM-ENE MAX Liquid Level Relay is a precise conductive-fluid level monitor designed for tanks and vessels in industrial processes. It helps prevent overflow and spills in chemical, food & beverage, and wastewater applications by signaling when liquid levels reach setpoints. This device meets key compliance benchmarks to support global deployment, including CE and UKCA declarations, and integrates with safety-conscious control panels through UL 508 compatibility. By delivering reliable two-electrode sensing and a compact DIN-rail form factor, it enables fast installation and straightforward maintenance. For engineers seeking predictable tank protection with minimal wiring, the CM-ENE MAX offers robust performance, straightforward wiring, and scalable integration with existing automation architectures.
Product Information
Extended Description
1SVR550851R9400 ABB: The CM-ENE MAX belongs to the CM liquid level monitoring relay range. It operates with a rated control supply voltage of 220-240 V AC and has a 1 n/o output contact. It monitors liquid levels of conductive fluids and protects tanks against overflow. The output relay works according to the closed-circuit principle. The sensitivity is 0-100 kOhm fixed. The device offers screw connection terminals.
EAN
4013614348075
Minimum Order Quantity
1 piece
Customs Tariff Number
85364900
Data Sheet, Technical Information
Catalog 2024 Electronic Relays and Controls - Chapter Measuring and Monitoring Relays
Instructions and Manuals
Installation instructions - CM-xxE range
CAD Dimensional Drawing
Information - 2D and 3D files for CAD systems
Product Net Width
22.5 mm
Product Net Height
78 mm
Product Net Depth / Length
78.5 mm
Product Net Weight
0.106 kg
Function
Filling monitoring
Sub-Function
Overflow protection
Number of Electrodes
2
Measuring Range
0 ... 100 kΩ
Rated Control Supply Voltage (Us)
220 ... 240 V AC
Rated Frequency (f)
Supply Circuit 50/60 Hz
Output
1 n/o contact
Terminal Type
Screw Terminals
Rated Operational Current AC-12 (Ie)
(230 V) 4 A
Rated Operational Current AC-15 (Ie)
(230 V) 3 A
Rated Operational Current DC-12 (Ie)
(24 V) 4 A
Rated Operational Current DC-13 (Ie)
(24 V) 2 A
Rated Impulse Withstand Voltage (Uimp)
Measuring Circuit / Output Circuit 4 kV | Supply Circuit / Measuring Circuit 4 kV | Supply Circuit / Output Circuit 4 kV
Rated Insulation Voltage (Ui)
Measuring Circuit / Output Circuit 250 V | Supply Circuit / Measuring Circuit 250 V | Supply Circuit / Output Circuit 250 V
Degree of Protection
Housing IP50 | Terminals IP20
Short-Circuit Protective Devices
Output Circuit NO - F Type Fuses 10 A
Connecting Capacity
Flexible with Ferrule 2x 0.75 ... 1.5 mm² | Flexible 2x 1 ... 1.5 mm² | Rigid 2x 0.75 ... 1.5 mm²
Tightening Torque
0.6 ... 0.8 N·m
Wire Stripping Length
10 mm
Mounting Position
1 ... 6
Mounting on DIN Rail
TH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715 | TH35-7.5 (35 x 7.5 mm Mounting Rail) acc. to IEC 60715
Standards
CAN/CSA C22.2 No.14 | IEC/EN 63000 | IEC/EN 61000-6-2 | IEC/EN 61000-6-3 | UL 508
Maximum Operating Voltage UL/CSA
Output Circuit 300 V AC
Contact Rating UL/CSA
B300
Connecting Capacity UL/CSA
Flexible with Ferrule 2x 18-16 AWG | Flexible 2x 18-16 AWG | Rigid 2x 18-16 AWG
Tightening Torque UL/CSA
7.08 in·lb
Ambient Air Temperature
Operation -20 ... +60 °C | Storage -40 ... +85 °C
Maximum Operating Altitude Permissible
Without Derating 2000 m
Conflict Minerals Reporting Template (CMRT)
CMRT - Conflict Minerals Reporting Template
REACH Declaration
REACh Info for Electronic Relays and Controls
RoHS Information
RoHS Declaration of conformity for Electronic Relays and Controls
RoHS Status
Following EU Directive 2011/65/EU and Amendment 2015/863 July 22, 2019
SCIP
65528e85-98c2-42e0-b113-ad56584d74e9 Germany (DE)
Simplified SCIP
14157779-2e10-4378-af7a-3936ffe04309 Germany (DE) | 3ad6bae3-d683-488c-880f-4f5451a544fd Netherlands (NL) | 6c6a6c72-3052-4917-a1a4-9e19c7f6c5fa Czech Republic (CZ) | 31c1a424-b773-4c67-8571-2d1894d56582 Germany (DE) | 6223535f-5d80-4c28-becc-f0c488972a92 Italy (IT) | c5cc77df-da73-44aa-8898-d7fa6ccf018b Germany (DE) | 854a8925-5b3f-4621-9753-cc83a432ac59 Poland (PL) | e81d59b5-58da-43d6-b44b-842f5223665c Denmark (DK) | 811dcaaa-0d69-449a-847c-b35d6f4a4fda Portugal (PT) | f34aae1a-5321-42b5-9f20-03ade2ab9da5 Greece (GR) | c811dd71-b3c1-46b6-acbf-8c5db2c8111e Estonia (EE) | f250b567-f72e-4cb9-ba30-1e4e777f4dcd Poland (PL) | 58030f10-1e7b-430c-b8f9-d900da19c716 Norway (NO) | 87a45538-91d2-4951-9f20-93694b786251 Sweden (SE) | 34833c9c-b44f-4567-a903-3d69f90505af Belgium (BE) | ab958e74-28e5-4b89-b8b2-b1575347156f Hungary (HU) | a0cdb5bb-181f-4fb3-9e78-1a566d1aa08e Hungary (HU) | 3b5f9351-2392-473f-bf01-ebfd209f1fce Spain (ES) | 219fa7e7-add7-4259-8bce-4e99b7fc01a0 Sweden (SE) | 239b9c3e-01de-44d8-a7ae-061cf4f67985 France (FR) | 9aba59dc-2f0b-4a4d-a5af-b395f321a5ad Croatia (HR) | e9683756-4ba7-4169-8180-f03960bd37e6 France (FR) | 869a79e1-0efb-44f2-8756-0327883d066e Germany (DE) | c94b45fc-e922-4d0a-9237-17e23f3fa7e7 Bulgaria (BG) | 7ec6c4f2-5c2b-490a-a7ea-a493b264fb06 Finland (FI) | 67fcc300-6576-4fd4-9d45-beba3b4025d7 Poland (PL) | 225c1c20-80b7-4c03-8d35-18e4a892222b Belgium (BE)
Toxic Substances Control Act - TSCA
Toxic Substances Control Act (TSCA) declaration for Electronic Relays and Controls
CB Certificate
CB_DK-8880
CCC Certificate
CCC Certificate - Measuring and Monitoring Relays CM-E range
CQC Certificate
CQC Certificate, Electronic Measuring and Monitoring Relays, CM-PFE, CM-PVE, CM-PBE, CM-MSE, CM-ENE MAX, CM-ENE MIN, Made in Bulgaria
cUL Certificate
cUL508_E140448
Declaration of Conformity - CCC
CCC Declaration of Conformity, Electronic Measuring and Monitoring Relays, CM-PFE, CM-PVE, CM-PBE, CM-MSE, CM-ENE MAX, CM-ENE MIN, Made in Bulgaria
Declaration of Conformity - CE
EU Declaration of Conformity - CM-ENE MIN, CM-ENE MAX Liquid level monitoring relay
Declaration of Conformity - UKCA
UK Declaration of Conformity - CM-ENE MIN, CM-ENE MAX Liquid level monitoring relay
UL Certificate
UL Certificate (UL 508) - CT-E, CT-S range time relays, CM and C51x range measuring and monitoring relays , C57x and C67xx range safety relays, CC-U range analog signal converters with relay output
Package Level 1 Units
box 1 piece
Package Level 1 Width
23 mm
Package Level 1 Depth / Length
82 mm
Package Level 1 Height
82 mm
Package Level 1 Gross Weight
0.118 kg
Package Level 1 EAN
4013614348075
Object Classification Code
B
ETIM 7
EC001447 - (Fill) level monitoring relay
ETIM 8
EC001447 - (Fill) level monitoring relay
ETIM 9
EC001447 - (Fill) level monitoring relay
eClass
V11.0 : 27371813
UNSPSC
39122331
E-Number (Finland)
2712849
E-Number (Norway)
4187271
E-Number (Sweden)
3860808
Feature: 220-240 V AC rated control supply voltage → Business Impact → Application: Enables direct connection to standard plant power rails without additional power supplies, reducing panel complexity and wiring costs in process lines. Application: Chemical processing and chemical storage tanks where a single-supply relay must reliably monitor liquid levels. Feature: 1 n/o output contact → Business Impact → Application: Simple, single-channel control of pumps or alarms with clear on/off signaling, lowering logic interlock complexity in control circuits. Feature: Measuring range 0 … 100 kΩ → Business Impact → Application: Sensitive and adjustable conductance-based level sensing suitable for conductive fluids, improving fill accuracy and overflow protection in process vessels. Feature: Two electrodes → Business Impact → Application: Redundant sensing path for improved reliability in challenging liquids, reducing false trip rates in dirty or viscous fluids. Feature: Screw terminals → Business Impact → Application: Fast, secure field connections with vibration resistance, aiding rapid commissioning in tight control cabinets. Feature: DIN rail mounting TH35 variants → Business Impact → Application: Standardized integration into control panels, accelerating retrofits and scalable installations in plant expansions. Feature: IP50 housing, IP20 terminals → Business Impact → Application: Protective enclosure against dust and incidental contact in cabinet environments, extending service intervals in busy production floors. Feature: 4 A AC-12 / 3 A AC-15 at 230 V → Business Impact → Application: Clear, predictable switching capability for pumps and solenoids, preventing undersized wiring or contactors. Feature: 0.6–0.8 N·m tightening torque → Business Impact → Application: Reliable terminal integrity during vibration and long-term use, reducing maintenance calls in dynamic environments. Feature: EAN 4013614348075, Customs tariff 85364900 → Business Impact → Application: Streamlined procurement and customs compliance across international projects, easing global supply chains. Feature: Ø Robust certifications (CE, UKCA, UL 508) → Business Impact → Application: Compliance-ready for multinational installations, supporting ISO/IEC standards and safe operation across facilities. Industry context: By combining precise level sensing with straightforward installation, the CM-ENE MAX supports faster project timelines and lower total cost of ownership in water treatment, chemical processing, and food & beverage lines.
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FAQs
The CM-ENE MAX is designed for DIN rail mounting (TH35-15 or TH35-7.5) and uses screw terminals for secure connections. Its compact 22.5 mm width and 78 mm height fit common control cabinets, while flexible conductor ranges (2x0.75–1.5 mm²) support a variety of wire gauges. This makes retrofits and new installations straightforward with minimal cabinet rearrangement.
Key ratings include rated control voltage of 220–240 V AC, single normally open output (1 n/o), and a measuring range of 0 … 100 kΩ. The device supports AC-12 current up to 4 A and AC-15 up to 3 A at 230 V, with impulse withstand voltage up to 4 kV. These specs provide reliable sensing and switching for conductive liquids.
Yes. The CM-ENE MAX is specifically designed for overflow protection by monitoring liquid level in conductive fluids. It uses fixed 0–100 kΩ sensitivity and two electrodes to reliably detect liquid presence and tank fill levels, triggering alarms or pump control to prevent spills in chemical, pharmaceutical, and beverage applications.
The device features CE and UKCA declarations, UL 508 listing, and related safety certifications. It complies with IEC/EN standards for monitoring relays, and carries multiple declarations of conformity to support global deployments in regulated environments.
Expect improved reliability, reduced spill risk, and lower downtime due to accurate level monitoring and robust wiring. With screw terminals and durable DIN-rail mounting, maintenance is quick and predictable. The compact form factor also lowers panel space requirements, contributing to a lower total cost of ownership over the system lifetime.