The Weidmüller PRO MAX 72W 24V 3A is a robust rail-mounted power supply unit designed for industrial applications. It delivers a consistent 24 V DC output at 3 A, making it ideal for powering various electronic equipment. This DIN rail PSU is commonly used in industrial automation and control systems.
| Type |
Rail mounted PSU (DIN) |
| Power Rating |
72W |
| 1st secondary output voltage |
24 - 24 |
| AC failure bridging time @ Inom |
20 |
| AC input voltage range |
85...277 V ACV |
| Ambient temperature |
25°C |
| Built-in height |
230 |
| Built-in width |
92 |
| Certificate no. (cULus) |
E258476 |
| Certificate no. (cULusEX) |
E470829 |
| Certificate No. (cURus) |
E255651 |
| Conductor cross-sectio , AWG/kcmil , AWG |
Wire connection cross section, flexible 4mm2 |
| Conductor cross-sectio , flexible , max. 2 |
Conductor cross-section, flexible , min. 0.5mm2 |
| Conductor cross-sectio , flexible , min. mm2 |
Conductor cross-section, rigid , max. |
| Conductor cross-sectio , WG/kcmil , WG |
Conductor cross-section, AWG/kcmil , 26 AWG |
| Conductor cross-section, rigid , max. |
6mm2 |
| 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 |
80...370 V DCV |
| Degree of protection (IP) |
IP20 |
| Derating |
> 60°C / 75% @ 70°C |
| Dimensions (L x W x H) |
130 x 32 x 125mm |
| Earth leakage current, x. |
3.5mA |
| ECLASS 14 |
27-04-07-01 |
| ECLASS 15.0 |
27-04-07-01 |
| Electric symbol |
Derating curve |
| Electrical machine equipment |
Acc. to EN60204 |
| ETIM 10 |
EC002540 |
| ETIM 8.0 |
EC002540 |
| ETIM 9.0 |
EC002540 |
| Floating contact |
Yes |
| Frequency range AC |
45...65 HzHz |
| GTIN (EAN) |
4050118286021 |
| Housing version |
Metal, corrosion resistant |
| Humidity at operating temperature |
5...95 %, no condensation |
| Input fuse (internal) |
Yes |
| Inrush current |
max. 15A |
| Insulation voltage input / earth |
3.5kV |
| Insulation voltage output / earth |
0.5kV |
| Insulation voltage, input/output |
4kV |
| Interference immunity test acc. to |
EN 55024, EN 55032, |
| max. |
min.min |
| Max. operating temperature (derating) |
+70°C |
| Max. output current 1 |
3A |
| Maximum Operating Temperature |
+70°C |
| Maximum Temperature |
+85°C |
| min. |
(input), max.mA |
| Min. operating temperature (derating) |
-25°C |
| Min. temperature |
-40°C |
| Misc Attribute |
PRO MAX 72W 24V 3A |
| Mounting position, installation notice |
Horizontal on TS35 mounting rail. 50 mm of clearance at top & bottom for air circ. Can mount |
| Net weight |
650g |
| Noise emission in accordance with |
Class B |
| Nominal Input Voltage |
100-240 /ACV |
| Nominal output current for Unom |
3 A @ 60°C |
| Nominal power consumption |
80.9VA |
| Nominal value output voltage 1 |
24 |
| Nominal value output voltage 1 [DC] |
24V |
| Operating Temperature |
-25 °C...70°C |
| Operating temperature (min.) |
-25°C |
| Output Power |
72W |
| Output voltage (max.) |
29.5V |
| Output voltage (min.) |
22.5V |
| Output voltage, note |
(adjustable via |
| Parallel connection option |
yes, max. 5 |
| Performance level according to EN ISO 13849-1 |
N/A |
| Phases |
1 |
| Pollution severity |
2 |
| Power Consumption |
80.9 |
| Power Factor |
Power factor typical |
| Power loss, idling |
1W |
| Power loss, nominal load |
8.9W |
| Power Output |
72 |
| power supplies |
61558-2-16 |
| Protection Class |
I, with PE connectionW |
| Protection degree (IP rating) |
IP20 |
| Rated input voltage |
100...240 V ACV |
| Rated output voltage |
24 V DC ± 1 % |
| Rated supply voltage AC 50 Hz |
85 - 264 |
| Rated supply voltage AC 60 Hz |
85 - 264 |
| Rated supply voltage DC |
80 - 370 |
| REACH SVHC |
Lead 7439-92-1 |
| Recommended back-up fuse |
6 A, Char. B, circuit breaker, 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 |
| Shock resistance IEC 60068-2-27 |
30 in all directionsg |
| SIL according to IEC 61508 |
N/A |
| Start-up |
-40°C |
| Storage temperature |
-40 °C...85°C |
| Suitable for distribution board |
false |
| Suitable for safety functions |
false |
| Suitable for wall mounting |
rail |
| Surge protection |
Varistor |
| Surge voltage category |
III |
| Tightening torque, max. |
0.6Nm |
| Tightening torque, min. |
0.5Nm |
| UL File Number Search |
UL Website |
| Version |
Power supply, switch-mode power supply unit, 24 |
| Vibration resistance IEC 60068-2-6 |
2.3g |
| Voltage type |
DC |
| Weight |
650g |
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