Weidmüller's PRO MAX3 480W 24V 20A is a rail-mounted power supply unit designed for industrial applications, providing stable 24V DC output at 20A with a robust 480W capacity. Ideal for use in automation and control systems, it ensures reliable power delivery on DIN rails. Its compact design allows for easy integration into existing systems, enhancing operational efficiency.
| Type |
Rail mounted PSU (DIN) |
| Output Voltage |
12V DC |
| Output Current |
20A |
| Number of Outputs |
1 |
| Power Rating |
480W |
| 1st secondary output voltage |
24 - 24 |
| AC failure bridging time @ Inom |
min. 20 ms |
| AC input voltage range |
3 x 320...3 x 575 V AC / 2 x 360...2 x 575 V AC |
| Ambient temperature |
25°C |
| Built-in height |
230 |
| Built-in width |
130 |
| Certificate no. (cULus) |
E258476 |
| Certificate no. (cULusEX) |
E470829 |
| Certificate No. (cURus) |
E255651 |
| Conductor cross-section, AWG/kcmil , 10 AWG |
Conductor cross-section, AWG/kcmil , 26 AWG |
| Conductor cross-section, AWG/kcmil , 26 AWG |
Wire connection cross section, flexible 4mm² |
| Conductor cross-section, flexible , max. 4 mm² |
Conductor cross-section, flexible , min. 0.22mm² |
| Conductor cross-section, flexible , min. 0.22 mm² |
Conductor cross-section, rigid , max. |
| Conductor cross-section, rigid , max. |
6mm² |
| Conductor cross-section, rigid , min. |
0.18mm² |
| Configurable |
No |
| Connection |
Screw terminal |
| Connection system |
Screw connection |
| Contact load (NO contact) |
max. 30 V DC / 1 A |
| Current consumption in relation to the |
Voltage type |
| Current limiting |
> 120% IN |
| DC input voltage range |
450...800 V DC |
| Degree of efficiency |
91.5% |
| Degree of protection (IP) |
IP20 |
| Depth |
150 |
| Depth (inches) |
5.9055 inch |
| Derating |
> 60°C / 75% @ 70°C |
| Dim |
(L x W x H) 150 x 70 x 130 mm |
| Direct mounting possible |
false |
| Earth leakage current, max. |
3.5mA |
| ECLASS 14.0 |
27-04-07-01 |
| ECLASS 15.0 |
27-04-07-01 |
| Efficiency |
91.5% |
| Electric symbol |
Derating curve |
| Electrical machine equipment |
Acc. to EN60204 |
| ETIM 10.0 |
EC002540 |
| ETIM 8.0 |
EC002540 |
| ETIM 9.0 |
EC002540 |
| Floating contact |
Yes |
| Frequency range AC |
45…65 Hz |
| GTIN (EAN) |
4050118286144 |
| GTIN (EAN) 4050118896350 |
thickness (A): 0.6mm |
| Height |
130mm |
| Height (inches) |
5.1181 inch |
| Housing version |
Metal, corrosion resistant |
| Humidity at operating temperature |
5...95 %, no condensation |
| Input Connector Type |
Screw Terminal Block |
| Input fuse (internal) |
Yes |
| Input/Output Type |
AC/DC |
| Inrush current |
max. 15 A |
| Insulation voltage input / earth |
3.5 kV |
| Insulation voltage output / earth |
0.5 kV |
| Insulation voltage, input/output |
4 kV |
| Interference immunity test acc. to |
EN 55024, EN 55032, |
| Length |
150mm |
| Max Operating Temperature |
70°C |
| max. |
min. |
| Max. operating temperature (derating) |
+70°C |
| Max. output current |
20A |
| Max. temperature |
+85°C |
| Maximum Input Current |
0.85A |
| Maximum Output Current |
24A |
| Maximum Output Power |
480W |
| Medical Application |
No |
| Min Operating Temperature |
-25°C |
| min. |
(input), max. |
| Min. operating temperature (derating) |
-25°C |
| Min. temperature |
-40°C |
| Minimum Isolation Voltage |
4000V |
| Misc Attribute |
PRO MAX3 480W 24V 20A |
| Mounting position, installation notice |
Horizontal on TS35 mounting rail. 50 mm of clearance at top & bottom for air circ. Can mount |
| Net weight |
1600g |
| Noise emission in accordance with |
Class B |
| Nominal Input Voltage |
400 - 500 V/AC |
| Nominal output current for Unom |
20 A @ 60°C |
| Nominal power consumption |
524.6 VA |
| Nominal value output current 1 |
20 |
| Nominal value output voltage 1 |
24 |
| Operating Temperature |
-25 °C...70°C |
| Operating temperature (max.) |
+70°C |
| Operating temperature (min.) |
-25°C |
| Output Power |
480 W |
| Output Type |
Fixed |
| Output voltage stabilized |
true |
| Output voltage, max. |
29.5 V |
| Output voltage, min. |
22.5 V |
| Output voltage, note |
(adjustable via |
| Parallel connection option |
yes, max. 3 |
| Performance level according to EN ISO 13849-1 |
None |
| Phases |
3 |
| Pin Count |
12 |
| Pollution severity |
2 |
| Power Consumption |
524.6 |
| Power Factor |
Power factor typical |
| Power Indicator |
Yes |
| Power loss, idling |
5.5 W |
| Power loss, nominal load |
36 W |
| Power Output |
480 |
| power supplies |
61558-2-16 |
| Protection against inverse voltage |
Yes |
| Protection Class |
I, with PE connection |
| Protection degree |
IP20 |
| Rated input voltage |
3x 400...3x 500 V AC (wide-range input) |
| Rated output voltage |
24 V DC ± 1 % |
| Rated supply voltage AC 50 Hz |
320 - 575 |
| Rated supply voltage AC 60 Hz |
320 - 575 |
| Rated supply voltage DC |
450 - 800 |
| REACH SVHC |
Lead 7439-92-1 |
| Recommended back-up fuse |
3 - 5 A, char. C, circuit breaker |
| Residual ripple, breaking spikes |
<50 mVss @ UNenn, Full |
| ROHS |
Conform |
| RoHS Compliance Status |
Compliant with exemption |
| Safety extra-low voltage |
SELV acc. to IEC 60950-1, |
| Safety transformers for switch-mode |
According to EN |
| SCIP |
6d8cdf22-8230-4af8-86c8-3558c716666d |
| Screwdriver blade |
0.8 x 4.0, PZ 1 |
| Shock resistance IEC 60068-2-27 |
30 g in all directions |
| Short-circuit protection |
Yes |
| Short-circuit-proof |
true |
| SIL according to IEC 61508 |
None |
| Stabilized |
true |
| Start-up |
= -40°C |
| Storage temperature |
-40 °C...85°C |
| Style |
DIN Rail |
| Suitable for distribution board |
false |
| Suitable for rail mounting |
true |
| Suitable for safety functions |
false |
| Surge protection |
Varistor |
| Surge voltage category |
III |
| Tightening torque, max. |
0.6 Nm |
| Tightening torque, min. |
0.5 Nm |
| Tolerance |
±1% |
| Type of electric connection |
Screw connection |
| UL File Number Search |
UL Website |
| Version |
Power supply, switch-mode power supply unit, 24 |
| Vibration resistance IEC 60068-2-6 |
2.3 g |
| Voltage type (supply voltage) |
AC/DC |
| Wall mounting possible |
true |
| Weight |
1600g |
| Width |
70mm |
| Width (inches) |
2.7559 inch |
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