Product Model
TRIO-PS/3AC/24DC/20

Selling Points
- 1Equipped with type 3 surge protection and a protective plug for enhanced reliability.
- 2Output voltage adjustable from 24 V DC to 28 V DC for flexible application needs.
- 3Offers a mean time between failures (MTBF) of over 1,100,000 hours, ensuring long operational reliability.
- 4Designed for easy installation on DIN rails, ideal for industrial settings.
- 5Compatible with a wide range of input voltages (3x 400 V AC to 500 V AC), ensuring global use.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Nominal input voltage range | 3x 400 V AC ... 500 V AC | Input voltage range | 3x 320 V AC ... 575 V AC (Derating < 360 V AC: 1,5 %/V)
2x 360 V AC ... 575 V AC (for 2-phase operation) |
Extended input voltage range in operation | 3x 320 V AC ... 575 V AC (Derating < 360 V AC: 1,5 %/V) | Input voltage range AC | 3x 320 V AC ... 575 V AC (Derating < 360 V AC: 1,5 %/V)
2x 360 V AC ... 575 V AC (for 2-phase operation) |
Voltage type of supply voltage | AC | Inrush current | < 15 A |
Inrush current integral (I | 0.5 A | AC frequency range | 45 Hz ... 65 Hz |
Mains buffering time | > 17 ms (3x 400 V AC) | Current consumption | 3x 1.1 A (400 V AC)
3x 0.8 A (480 V AC) |
Nominal power consumption | 793 VA | Protective circuit | Transient surge protection; Varistor |
Power factor (cos phi) | 0.67 | Typical response time | < 1 s |
Permissible backup fuse | B6 B10 B16 | Recommended breaker for input protection | 6 A ... 16 A (Characteristics B, C, D, K) |
Discharge current to PE | < 3.5 mA | Efficiency | 91 % (at 400 V AC and nominal values) |
Output characteristic | U/I | Nominal output voltage | 24 V DC ±1 % |
Setting range of the output voltage (U | 22.5 V DC ... 29.5 V DC (> 24 V DC, constant capacity restricted) | Nominal output current (I | 20 A (U |
Derating | 55 °C ... 70 °C (2.5 %/K) | Feedback voltage resistance | 35 V DC |
Protection against overvoltage at the output (OVP) | < 35 V DC | Max. capacitive load | unlimited |
Active current limitation | Approx. 25 A | Control deviation | < 1 % (change in load, static 10 % ... 90 %)
< 2 % (change in load, dynamic 10 % ... 90 %)
< 0.1 % (change in input voltage ±10 %) |
Residual ripple | < 10 mV | Output power | 480 W |
Peak switching voltages nominal load | < 30 mV | Maximum no-load power dissipation | < 6 W |
Power loss nominal load max. | < 48 W | Rise time | < 2 ms (U |
Connection in parallel | yes, for redundancy and increased capacity | Connection in series | yes |
Connection method | Screw connection | Conductor cross section, rigid min. | 0.2 mm² |
Conductor cross section, rigid max. | 2.5 mm² | Conductor cross section flexible min. | 0.2 mm² |
Conductor cross section flexible max. | 2.5 mm² | Conductor cross section AWG min. | 24 |
Conductor cross section AWG max. | 14 | Stripping length | 9 mm |
Screw thread | M2,5 | Tightening torque, min | 0.4 Nm |
Tightening torque max | 0.5 Nm | Connection method | Screw connection |
Conductor cross section, rigid min. | 0.5 mm² | Conductor cross section, rigid max. | 6 mm² |
Conductor cross section flexible min. | 0.5 mm² | Conductor cross section flexible max. | 4 mm² |
Conductor cross section AWG min. | 12 | Conductor cross section AWG max. | 10 |
Stripping length | 14 mm | Screw thread | M3 |
Tightening torque, min | 0.5 Nm | Tightening torque max | 0.6 Nm |
Types of signaling | LED | Operating voltage display | Green LED |
Status display | "DC OK" LED green | Note on status display | U |
Insulation voltage input/output | 4 kV AC (type test)
2 kV AC (routine test) | Insulation voltage output / PE | 500 V DC (routine test) |
Insulation voltage input / PE | 2 kV AC (type test)
2 kV AC (routine test) | Product type | Power supply |
Product family | TRIO POWER | MTBF (IEC 61709, SN 29500) | > 1190000 h |
Article revision | 04 | Protection class | I (with PE connection) |
Overvoltage category | III | Degree of pollution | 2 |
Width | 115 mm | Height | 130 mm |
Depth | 152.5 mm | Installation distance right/left | 0 mm / 0 mm |
Installation distance top/bottom | 50 mm / 50 mm | Assembly note | alignable: horizontally 0 mm, vertically 50 mm |
Mounting position | horizontal DIN rail NS 35, EN 60715 | With protective coating | no |
Housing material | Metal | Type of housing | Steel sheet, zinc-plated |
Side element version | Aluminum | Degree of protection | IP20 |
Ambient temperature (operation) | -25 °C ... 70 °C (> 55° C derating : 2.5%/K) | Ambient temperature (storage/transport) | -40 °C ... 85 °C |
Climatic class | 3K3 (in acc. with EN 60721) | Max. permissible relative humidity (operation) | ≤ 95 % (at 25 °C, non-condensing) |
Shock | 18 ms, 30g, in each space direction (according to IEC 60068-2-27) | Vibration (operation) | < 15 Hz, amplitude ±2.5 mm (according to IEC 60068-2-6)
15 Hz ... 150 Hz, 2.3g, 90 min. |
Standard – Electronic equipment for use in electrical power installations and their assembly into electrical power installations | EN 50178/VDE 0160 (PELV) | Standard – Limitation of mains harmonic currents | EN 61000-3-2 |
Standard - Electrical safety | EN 60950-1/VDE 0805 (SELV) | Standard – Protection against shock currents, basic requirements for protective separation in electrical equipment | EN 50178 |
Standard – Safety extra-low voltage | EN 60950-1 (SELV)
EN 60204 (PELV) | Standard - Safe isolation | DIN VDE 0100-410 |
UL approvals | UL/C-UL listed UL 508
UL/C-UL Recognized UL 60950-1 | SIL in accordance with IEC 61508 | 0 |
Electromagnetic compatibility | Conformance with EMC Directive 2014/30/EU | Low Voltage Directive | Conformance with Low Voltage Directive 2014/35/EC |
EMC requirements for noise emission | EN 61000-6-3
EN 61000-6-4 | EMC requirements for noise immunity | EN 61000-6-1
EN 61000-6-2 |
Standards/regulations | EN 61000-4-2 | Contact discharge | 8 kV (Test Level 4) |
Discharge in air | 8 kV (Test Level 3) | Comments | Criterion A |
Standards/regulations | EN 61000-4-3 | Frequency range | 80 MHz ... 1 GHz |
Test field strength | 10 V/m | Frequency range | 1 GHz ... 2 GHz |
Test field strength | 10 V/m | Frequency range | 2 GHz ... 3 GHz |
Test field strength | 10 V/m | Comments | Criterion A |
Standards/regulations | EN 61000-4-4 | Input | 4 kV (Test Level 4 - asymmetrical) |
Output | 4 kV (Test Level 4 - asymmetrical) | Signal | 2 kV (Test Level 3 - asymmetrical) |
Comments | Criterion A | Standards/regulations | EN 61000-4-5 |
Input | 1 kV (Test Level 2 - symmetrical)
2 kV (Test Level 3 - asymmetrical) | Output | 0.5 kV (Test Level 1 - symmetrical)
0.5 kV (Test Level 1 - asymmetrical) |
Comments | Criterion B | Standards/regulations | EN 61000-4-6 |
Frequency range | 0.15 MHz ... 80 MHz | Comments | Criterion A |
Voltage | 10 V (Test Level 3) | Standards/regulations | EN 61000-4-11 |
Standards/regulations | EN 61000-6-3 | Radio interference voltage in acc. with EN 55011 | EN 55011 (EN 55022) Class B, area of application: Industry and residential |
Emitted radio interference in acc. with EN 55011 | EN 55011 (EN 55022) Class B, area of application: Industry and residential |
Specifications may be subject to change without notice