ABB CM-UFD.M22 Grid feeding monitoring relay - CEI 0-21
Part Number: 1SVR560730R3400
Quick Summary
The CM-UFD.M22 grid feeding monitoring relay protects renewables by monitoring grid voltage and frequency at the point of interconnection. This helps prevent outages by automatically disconnecting the renewable source when grid conditions drift. CEI 0-21 is a key certification, alongside CE and TÜV, underscoring reliability and grid compliance. Designed for grid-edge applications, it sits between a renewable energy system and the public grid, with flexible supply options and robust DIN-rail mounting. Owners benefit from predictable reconnection behavior, reduced downtime, and clear fault signaling that supports proactive maintenance and regulatory reporting. For engineers, the device translates complex grid dynamics into actionable protection signals, enabling faster integration and safer operation.
Product Information
Extended Description
1SVR560730R3400 ABB: The CM-UFD.M22 is a multi-functional grid feeding monitoring relay, which provides interface protection and is to be installed between a renewable energy system and the public grid. This innovative relay guarantees grid stability and seeks to prevent blackouts. If the voltage or frequency magnitudes of the public grid are outside the permited range, then the device changes status and acts to disconnect the renewable energy system from the public grid by sending a signal to a decoupling unit (e.g. contactor, switch disconnector or circuit breaker). As soon as the grid is stable again, the system may automatically reconnected. The CM-UFD.M22 provides different monitoring functions including over-/undervoltage and over-/underfrequency as well as rate of change of frequency (RoCoF) and vector shift monitoring functions, which detect a loss of mains event. This grid feed monitoring relay is certified in accordance to CEI 0-21.
EAN
4016779925167
Minimum Order Quantity
1 piece
Customs Tariff Number
85364900
Data Sheet, Technical Information
Data sheet - CM-UFD.M22 and CM-UFD.M22M Grid feeding monitoring relay acc. to CEI 0-21
Instructions and Manuals
Instruction Sheet / Manual - CM-UFD.M22(M) Grid feeding monitoring relay
CAD Dimensional Drawing
Information - 2D and 3D files for CAD systems
Product Net Width
108 mm
Product Net Height
90 mm
Product Net Depth / Length
67 mm
Product Net Weight
0.304 kg
Function
Over- and undervoltage monitoring | Interrupted neutral monitoring | Over- and underfrequency monitoring | 10 minutes average value monitoring | ROCOF monitoring
Measuring Range
0 ... 540 V AC
Rated Control Supply Voltage (Us)
24 ... 240 V AC/DC
Output
3 c/o (SPDT) contacts
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
Minimum Switching Capacity
24 V | 10 mA
Degree of Protection
Housing IP20 | Terminals IP20
Pollution Degree
3
Short-Circuit Protective Devices
Output Circuit NC - F Type Fuses 10 A | Output Circuit NO - F Type Fuses 10 A
Electrical Durability
AC-12 50000 cycle
Mechanical Durability
Nr. Operations 30000000 cycle
Connecting Capacity
Flexible with Ferrule 1x 0.25 ... 4.0 mm² | Flexible with Ferrule 2x 0.25 ... 0.75 mm² | Flexible with Insulated Ferrule 1x 0.25 ... 4.0 mm² | Flexible with Insulated Ferrule 2x 0.25 ... 0.75 mm² | Flexible 1x 0.2 ... 4.0 mm² | Flexible 2x 0.2 ... 1.5 mm² | Rigid 1x 0.2 ... 6.0 mm² | Rigid 2x 0.2 ... 1.5 mm²
Tightening Torque
0.5 ... 0.6 N·m
Wire Stripping Length
8 mm
Mounting Position
1 ... 6
Mounting on DIN Rail
TH35-7.5 (35 x 7.5 mm Mounting Rail) acc. to IEC 60715 | TH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715
Standards
CEI 0-21 | IEC/EN 63000 | IEC/EN 60255-26 | IEC/EN 60255-27 | IEC/EN 61000-6-3
Connecting Capacity UL/CSA
Flexible with Ferrule 1x 24-12 AWG | Flexible with Ferrule 2x 24-18 AWG | Flexible with Insulated Ferrule 1x 24-12 AWG | Flexible with Insulated Ferrule 2x 24-18 AWG | Flexible 1x 24-12 AWG | Flexible 2x 24-16 AWG | Rigid 1x 24-10 AWG | Rigid 2x 24-16 AWG
Tightening Torque UL/CSA
4.4 ... 5.3 in·lb
Ambient Air Temperature
Operation -20 ... +60 °C | Storage -25 ... +50 °C
Conflict Minerals Reporting Template (CMRT)
CMRT - Conflict Minerals Reporting Template
RoHS Information
EU Declaration of Conformity - CM-UFD.M22, CM-UFD.M31, CM-UFD.M34 Grid feeding monitoring relay
RoHS Status
Following EU Directive 2011/65/EU
Declaration of Conformity - CE
EU Declaration of Conformity - CM-UFD.M22, CM-UFD.M31, CM-UFD.M34 Grid feeding monitoring relay
TÜV Certificate
TUEV_CEI_CM-UFD_M22
Package Level 1 Units
carton 1 piece
Package Level 1 Width
121 mm
Package Level 1 Depth / Length
71 mm
Package Level 1 Height
99 mm
Package Level 1 Gross Weight
0.36 kg
Package Level 1 EAN
4016779925167
Object Classification Code
B
ETIM 7
EC001438 - Voltage monitoring relay
ETIM 8
EC001438 - Voltage monitoring relay
ETIM 9
EC001438 - Voltage monitoring relay
eClass
V11.0 : 27371801
E-Number (Finland)
2712562
CM-UFD.M22 delivers multi-functional grid monitoring, including over- and undervoltage, over- and underfrequency, RoCoF, and vector shift detection. This combination provides fast, decisive actions to disconnect the renewable source when the grid departs from safe ranges, reducing the risk of blackouts and equipment damage in solar and wind installations. The relay automatically disconnects and reconnects based on grid stability, enabling automatic re-synchronization after faults and simplifying compliance reporting. Wide measurement range and flexible supply: 0…540 V AC with a control supply of 24…240 V AC/DC, allowing use across regional standards. 3 c/o SPDT outputs with screw terminals and DIN rail mounting simplify integration into existing control cabinets and automation schemes. Robust durability and broad standards coverage ensure long-term operation in industrial environments with IP20 housing and UL/CSA compatibility. Installation efficiency is enhanced by clear wiring guidance, a compact footprint, and documented compliance with CEI 0-21, IEC/EN 63000, IEC/EN 60255-26, and 61000-6-3, making retrofits and new builds faster and more reliable.
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FAQs
Install the unit on TH35-7.5 or TH35-15 DIN rails, secure with standard mounting clips, and ensure correct orientation. Connect the control supply within 24–240 V AC/DC to US terminals, then wire the monitored circuit 0–540 V AC to the measuring input. Use screw terminals with the recommended stripping length of 8 mm and tighten to 0.5–0.6 N·m. Finally, connect the 3 SPDT outputs to the control circuit or decoupling device as required for your protection scheme.
Measuring range is 0–540 V AC, with rated control supply 24–240 V AC/DC. It provides 3 c/o SPDT outputs and uses screw terminals. Operational currents are up to 4 A AC-12/DC-12 at 230/24 V, with a minimum switching capacity of 24 V at 10 mA. The device supports IP20 protection and is designed for 1–6 mounting positions on a DIN rail.
Yes. It delivers loss-of-mains detection and protection via over/under voltage, over/under frequency, RoCoF, and vector shift monitoring, enabling automatic disconnection and safe reconnection of renewables. This makes it ideal for solar or wind installations linked to the public grid, ensuring stability and compliance with grid codes such as CEI 0-21.
The device complies with CEI 0-21, IEC/EN 63000, IEC/EN 60255-26, IEC/EN 60255-27, and IEC/EN 61000-6-3. It also carries RoHS conformity and a TÜV certificate (TÜV_CEI_CM-UFD_M22). For North American markets, UL/CSA compatibility is supported. These certifications help meet regulatory requirements for grid-tied equipment and industrial automation deployments.
The CM-UFD.M22 reduces downtime through automatic grid reconnection after faults and provides clear fault signaling for proactive maintenance. Its rugged design (IP20, high mechanical durability) supports long service life with up to 30,000,000 mechanical cycles and 50,000 electrical cycles (AC-12), yielding lower replacement costs and faster project ROI for solar, wind, and microgrid projects.