The reference 2CDS253001R0204 specifically, is a magneto-thermal switch.
Its characteristics are: Pluggable conductor cross section: 0.75 - 25 mm², Solid pluggable conductor cross section: 0.75 - 35 mm², Rated surge voltage resistance (Uimp): 4kV, Ambient temperature during operation: -25 - 55 °C, Possible additional equipment, Number of poles (total): 3, Rated breaking capacity Icn according to EN 60898 at 400 V: 6kA, Rated breaking capacity Icn according to EN 60898 at 230 V: 6kA, Rated breaking capacity Icu according to EN 60947- 2 at 230 V: 20kA, Number of protected poles: 3, Rated breaking capacity Icu according to EN 60947-2 at 400 V: 20kA, Type of voltage: AC.
Technical Rules: IEC/EN 60898-1 IEC/EN 60947-2 UL 1077 Stumbling feature: c Rated operating voltage: Acc. to IEC 60898-1 400 V AC Acc. to IEC 60898-1 400 V Acc. to IEC 60947-2 440 V AC Operating voltage: Maximum (Incl. Tolerance) 440 V AC Minimum 12 V AC Minimum 12V DC Nominal insulation voltage (Ui): Acc. to IEC/EN 60664-1 440 V Nominal voltage supported by impulses (Uimp): 4kV at 2000 m 5 kV at Sea Level 6.2 kV Dielectric test voltage: 50/60 Hz, 1 min: 2 kV Input voltage type: AC DC Rated current (In): 20 A Short Circuit Rating: (AC) 6kA (DC) 6kA (400 V AC) 6 kA (400V) 6kA Nominal short circuit breaking capacity (Icu): (230 V AC) 20 kA (400 V AC) 10 kA (440 V AC) 10 kA (230V) 20kA (400V) 10kA Rated conditional short circuit current (Inc): (230V) 20kA (400V) 20kA Nominal short-circuit breaking capacity in service (Ics): (230 V AC) 15 kA (400 V AC) 7.5 kA (440 V AC) 7.5 kA Frequency (f): 50Hz Nominal frequency (f): 50/60Hz Power loss: 7.5W at Rated Operating Conditions per Pole 2.5 W Power supply connection: Arbitrary Contact position indication: Red ON / Green OFF Power limitation class: 3 Electric resistance: 20000 AC cycle Mechanical strength: 20000 cycle Number of protected posts: 3 Number of poles: 3 Overvoltage category: III Torque: 2.8 N·m Mounting type: DIN-Rail Screw Terminal Type: Failsafe Bi-directional Cylinder-lift Terminal Actuator marking: I/O Actuator material: Insulation Group II, Black, Sealable Shell material: Insulation Group II, RAL 7035 Mounting on contactors: 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 Mounting position: any Recommended screwdriver: Pozidriv 2 Available accessories: Forks Connection capacity: Bus bar 10 / 10 mm² Flexible with Ferrule 0.75 ... 25 mm² Flexible 0.75...25 mm² Rigid 0.75...35 mm² Rigid 0.75...35 mm² Stranded 0.75...35 mm² Installation size: Acc. to DIN 43880 1 Wire stripping length: 12.5mm Terminal type: Screw Terminals Material Compliance RoHS information: 2CDK403001D0607 RoHS Status: Following EU Directive 2011/65/EU and Amendment 2015/863 July 22, 2019 RoHS Date: 0335 REACH Declaration: 9AKK108468A9644 REACH information: True - contains substances > 0.1 mass percentage REACH Date: 20231212 Conflict Minerals Reporting Template (CMRT): 9AKK108468A3363 SCIP: e6800e55-46b1-49a3-881b-0f66d0e903ad Germany (DE) Atmosphere Room temperature: Operation -25 ... +55 °C Storage -40 ... +70 °C Reference ambient air temperature: 30°C Degree of protection: IP20 IP40 Enclosure with Cover IP40 Pollution degree: 3 Environmental conditions: 28 cycles with 55 °C / 90-96 % and 25 °C / 95-100 % Vibration resistance according to IEC 60068-2-6: 20 Cycles with Load 0.8 In: 5g 5 ... 150 ... 5 Hz Shock resistance according to IEC 60068-2-27: 25g 2 shocks 13 ms Technical UL/CSA UL/CSA Maximum Operating Voltage: 110V DC 480Y/277VAC Interrupting capacity according to UL1077: (277 V AC) 6 kA (480Y / 277 V AC) 6 kA (240V) 10kA UL/CSA Connection Capability: Busbar 18-8 AWG Conductor 18-4 AWG UL/CSA tightening torque: 18 in·lb Dimensions Width in number of modular spaces: 3 Product width: 52.5mm Product height: 88mm Product length: 69mm Product weight: 0.375kg Pole net weight: 0.125kg Built-in depth (t2): 69mm Dimension diagram: 2CDC022007F0010 Classification Packaging Level 1 Units: cardboard 1 piece Packaging Level 1 Weight: 0.4kg E number (Finland): 3210620 E number (Sweden): 2100602 Certificates and Declarations (Document Number) Certification agency: IN IEC U.L. Declaration of conformity - CE: 2CDK403001D0607 Declaration of Conformity - UKCA: 9AKK108467A5053 I²t Feature: 9AKK107992A5102 Installation Instructions and manuals: 2CDS207104P0002 Popular Downloads Technical sheet, technical information: 9AKK107991A8329 I²t Feature: 9AKK107992A5102 Classifications ETIM 8: EC000042 - Miniature circuit breaker (MCB) ETIM 9: EC000042 - Miniature circuit breaker (MCB) WEEE Category: 5. Small Equipment (No External Dimension More Than 50 cm) WEEE B2C/B2B: Business to Business CN8: 8536 20 10 UNSPSC: 39121603 Electronic class: V11.0: 27141901 IDEA Granular Category Code (IGCC): 4897 >> Miniature circuit breakers Object classification code: F