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Input data	AC operation Supply system configuration: TN, TT, IT (PE) Nominal input voltage range: 100 V AC ... 240 V AC Input voltage range: 110 V AC ... 240 V AC Ã±10 % (P_N= 480 W) 100 V AC ... 109 V AC -15 % ... +10 % (P_N= 400 W) Typical national grid voltage: 120 V AC 230 V AC Voltage type of supply voltage: AC Inrush current: typ. 16 A (at 25 °C) Inrush current integral (I²t): typ. 0.25 A²s Frequency range (f_N): 50 Hz ... 60 Hz Ã±10 % Mains buffering time: typ. 15 ms (120 V AC) typ. 35 ms (230 V AC) Current consumption: max. 6 A (480 W) max. 5 A (400 W) typ. 5 A (110 V AC (480 W)) typ. 2.3 A (240 V AC (480 W)) typ. 4.5 A (100 V AC (400 W)) typ. 4.3 A (109 V AC (400 W)) Protective circuit: Transient protection; Varistor Switch-on time: typ. 1 s Device mains fuse: 10 A internal (device protection), fast-blow Recommended breaker for input protection: 6 A ... 16 A (Characteristic B, C, D, K or comparable) Discharge current to PE: < 3.5 mA
Output data	Efficiency: typ. 91 % (120 V AC) typ. 93 % (230 V AC) Nominal output voltage: 24 V DC Setting range of the output voltage (U_Set): 24 V DC ... 28 V DC (> 24 V DC, constant capacity restricted) Nominal output current (I_N): max. 20 A (P_N= 480 W) max. 16.66 A (P_N= 400 W) Short-circuit-proof: yes No-load proof: yes Crest factor: typ. 1,7 (120 V AC) typ. 1.8 (230 V AC) Output power (P_N): 480 W (240 V AC) 400 W (100 V AC) Connection in parallel: yes, for increasing power and redundancy with diode Connection in series: yes, for increased output voltage Feedback voltage resistance: Ã¢Ã¢°¤ 35 V DC Protection against overvoltage at the output (OVP): Ã¢Ã¢°¤ 35 V DC Residual ripple: typ. 70 mV_PP (with nominal values) Control deviation: < 2 % (change in load, static 10 % ... 90 %) < 4 % (change in load, dynamic 10 % ... 90 %) < 0.1 % (change in input voltage Ã±10 %) Rise time: < 100 ms (U_Out = 10 % ... 90 %) Minimum no-load power dissipation: < 4 W (120 V AC) Maximum no-load power dissipation: < 3 W (230 V AC) Minimum nominal load power dissipation: < 43 W (120 V AC) Power loss nominal load max.: < 33 W (230 V AC) Integrated fuse protection: no
Connection data	Input Position: 1.x Identification: 1.1 (Ã¯Ã¢¬µ), 1.2 (L), 1.3 (N) Conductor connection Connection method: Screw connection rigid: 0.75 mm² ... 6 mm² flexible: 0.75 mm² ... 4 mm² flexible with ferrule without plastic sleeve: 0.75 mm² ... 4 mm² flexible with ferrule with plastic sleeve: 0.75 mm² ... 4 mm² rigid (AWG): 18 ... 10 (Cu) Stripping length: 8 mm Tightening torque: 0.5 Nm ... 0.6 Nm 5 lb_f-in. ... 7 lb_f-in. Drive form screw head: Slotted L Output Position: 2.x Identification: 2.1, 2.2 (+), 2.3, 2.4 (-) Conductor connectionÃ¢Ã¢¬Ã¢¹ Connection method: Screw connection rigid: 2.5 mm² ... 6 mm² flexible: 2.5 mm² ... 4 mm² flexible with ferrule without plastic sleeve: 2.5 mm² ... 4 mm² flexible with ferrule with plastic sleeve: 2.5 mm² ... 4 mm² rigid (AWG): 14 ... 10 (Cu) Stripping length: 6.5 mm Tightening torque: 0.5 Nm ... 0.6 Nm 5 lb_f-in. ... 7 lb_f-in. Drive form screw head: Slotted L
Signaling	LED signaling Types of signaling: LED DC OK Ã¢Ã¢¬Ã¢ signal state operation (U_N = 24 V DC, I_Out = I_N) Function: Visual operating state display Color: green LED off: Supply voltage input AC not present (Off) LED on (green), DC OK: U_OUT > 11 V (On (green), DC OK)
Electrical properties	Number of phases: 1.00 Insulation voltage input/output: 4 kV AC (type test) 3 kV AC (routine test) Insulation voltage input / PE: 3.5 kV AC (type test) 2.4 kV AC (routine test)
Product properties	Product type: Power supply Product family: ESSENTIAL POWER MTBF (Telcordia SR-332): > 860000 h (25 °C) > 640000 h (40 °C) > 570000 h (45 °C) Data management status Article revision: 02 Insulation characteristics Protection class: I Degree of pollution: 2 Life expectancy (electrolytic capacitors) Current: 20 A Temperature: 40 °C Time: 25000 h Additional text: 120 V AC Life expectancy (electrolytic capacitors)Ã¢Ã¢¬Ã¢¹ Current: 20 A Temperature: 30 °C Time: 50000 h Additional text: 120 V AC Life expectancy (electrolytic capacitors)Ã¢Ã¢¬Ã¢¹Ã¢Ã¢¬Ã¢¹ Current: 20 A Temperature: 40 °C Time: 37000 h Additional text: 230 V AC Life expectancy (electrolytic capacitors)Ã¢Ã¢¬Ã¢¹Ã¢Ã¢¬Ã¢¹Ã¢Ã¢¬Ã¢¹ Current: 20 A Temperature: 30 °C Time: 74000 h Additional text: 230 V AC
Dimensions	Item dimensions Width: 86 mm Height: 124 mm Depth: 125 mm Installation dimensions Installation distance right/left: 10 mm / 10 mm Installation distance top/bottom: 30 mm / 30 mm
Mounting	Mounting type: DIN rail mounting Assembly note: alignable: 0 mm horizontally, 30 mm vertically Mounting position: horizontal DIN rail NS 35, EN 60715 With protective coating: no
Material specifications	Housing material: Metal Aluminum (AlMg3) / sheet steel, zinc-plated Hood version: Stainless steel Side element version: Aluminum Foot latch material: Sheet steel, zinc-plated
Environmental and real-life conditions	Ambient conditions Degree of protection: IP20 Ambient temperature (operation): -20 °C ... 70 °C (Derating >45 °C: 2.5%/K) Ambient temperature (storage/transport): -40 °C ... 85 °C Maximum altitude: Ã¢Ã¢°¤ 3000 m (> 2000 m, Derating: 10 %/1000 m) Climatic class: 3K22 (in accordance with EN 60721-3-3) Max. permissible relative humidity (operation): Ã¢Ã¢°¤ 95 % (at 25 °C, non-condensing) Shock (operation): 15 ms, 15g, per spatial direction (IEC 60068-2-27) Vibration (operation): 10 Hz ... 50 Hz, amplitude Ã±0.2 mm 50 Hz ... 150 Hz, 2.3g, 90 min. Temp code: T4 (-20...+70 °C; >45 °C, Derating: 2,5 %/K)
Standards and regulations	Overvoltage category EN 61010-1: II (Ã¢Ã¢°¤ 3000 m) Electrical safety Standard designation: Electrical safety Standards/specifications: IEC 61010-2-201 (SELV) Safety for measurement, control, and laboratory equipment Standard designation: Safety for equipment for measurement, control, and laboratory use Standards/specifications: IEC 61010-1 Protective extra-low voltage Standard designation: Protective extra-low voltage Standards/specifications: IEC 61010-1 (SELV) IEC 61010-2-201 (PELV) Limitation of harmonic line currents Standard designation: Limitation of harmonic line currents Standards/specifications: EN 61000-3-2 Mains voltage dips Standard designation: Requirement of the semiconductor industry with regard to mains voltage dips Standards/specifications: SEMI F47 - 0706 (120 V AC) Safe isolation Standard designation: Safe isolation Standards/specifications: IEC 61558-2-16 Note: Transformer
Approvals	UL Identification: UL/C-UL Listed UL 61010-1 ULÃ¢Ã¢¬Ã¢¹ Identification: UL/C-UL Listed UL 61010-2-201 CB scheme Identification: CB scheme (IEC 61010-1, IEC 61010-2-201)
EMC data	Electromagnetic compatibility: Conformance with EMC Directive 2014/30/EU Low Voltage Directive: Conformance with Low Voltage Directive 2014/35/EC Interference emission: Interference emission in accordance with EN 61000-6-3 (residential and commercial) and EN 61000-6-4 (industrial) EMC requirements for noise immunity: EN 61000-6-2 Conducted noise emission: EN 55016 EN 61000-6-3 (Class B) Noise emission: EN 55016 EN 61000-6-3 (Class B) Harmonic currents Standards/regulations: EN 61000-3-2 EN 61000-3-2 (Class A) Frequency range: 0 kHz ... 2 kHz Electrostatic discharge Standards/regulations: EN 61000-4-2 Electrostatic dischargeÃ¢Ã¢¬Ã¢¹ Contact discharge: 6 kV (Test Level 3) Discharge in air: 8 kV (Test Level 3) Comments: Criterion A Electromagnetic HF field Standards/regulations: EN 61000-4-3 Electromagnetic HF fieldÃ¢Ã¢¬Ã¢¹ Frequency range: 80 MHz ... 1 GHz 1 GHz ... 6 GHz 2 GHz ... 3 GHz Test field strength: 10 V/m (Test Level 3) 1 V/m (Test Level 3) Comments: Criterion A Fast transients (burst) Standards/regulations: EN 61000-4-4 Fast transients (burst)Ã¢Ã¢¬Ã¢¹ Input: 4 kV (Test Level 4 - asymmetrical) Output: 2 kV (Test Level 3 - asymmetrical) Comments: Criterion A Surge voltage load (surge) Standards/regulations: EN 61000-4-5 Surge voltage load (surge)Ã¢Ã¢¬Ã¢¹ Input: 1 kV (Test Level 3 - symmetrical) 2 kV (Test Level 3 - asymmetrical) Output: 0.5 kV (Test Level 2 - symmetrical) 1 kV (Test Level 2 - asymmetrical) Comments: Criterion B Conducted interference Standards/regulations: EN 61000-4-6 Conducted interferenceÃ¢Ã¢¬Ã¢¹ Input/Output: asymmetrical Frequency range: 0.15 MHz ... 80 MHz Comments: Criterion A Voltage: 10 V (Test Level 3) Voltage dips Standards/regulations: EN 61000-4-11 Voltage: 230 V AC Frequency: 50 Hz Voltage dip: 70 % 40 % 0 % Number of periods: 25 periods 10 periods 1 period Comments: Criterion A Criteria Criterion A: Normal operating behavior within the specified limits. Criterion B: Temporary impairment to operational behavior that is corrected by the device itself. Criterion C: Temporary adverse effects on the operating behavior, which the device corrects automatically or which can be restored by actuating the operating elements.