Weidmüller 2838450000 is a rail mounted power supply unit designed for DIN rail installation, providing reliable and efficient power delivery in industrial settings. This device, also known as the PRO BAS 120W 12V 10A, offers a power output of 120 watts at 12 volts with a current capacity of 10 amperes, making it suitable for a range of industrial applications where stable and consistent power is essential. Engineered for integration within control panels and automation systems, this open type DIN power supply unit ensures compatibility and ease of installation in various electrical enclosures in manufacturing and process control environments. With its robust design, it supports the demands of continuous operation, contributing to the reliability and performance of electrical systems in industrial applications. The unit's construction and performance specifications make it an ideal choice for engineers looking to optimise space without compromising on power quality and efficiency in demanding industrial contexts.
| Type |
PRO BAS 120W 12V 10A |
| Output Voltage |
12V |
| Nominal value output current 1 |
10A |
| 61010-1, PELV acc. to IEC |
power supplies |
| AC |
20 ms @ 115 V AC |
| AC failure bridging time @ Inom |
> 80 ms @ 230 V AC / > |
| AC input voltage range |
85...264 V AC (derating at 100 V AC)V |
| Building height |
130mm |
| Building Width |
40mm |
| Built-in height |
130 |
| Built-in width |
54 |
| Capacitive load |
5.5 Fm |
| Certificate no. (cULus) |
E258476 |
| Conductor cross-sectio , AWG/kcmil , AWG |
Wire connection cross section, flexible 6mm2 |
| 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 |
| Conductor cross-section, rigid , min. |
0.5mm2 |
| Connection system |
Screw connection |
| Contact load (NO contact) |
max. 30 V DC / 1 A |
| Content |
1 |
| Current consumption in relation to the |
Voltage type |
| DC input voltage range |
110...370 V DC (derating at <120 V DC)V |
| Degree of protection (IP) |
IP20 |
| Earth leakage current, x. |
3.5mA |
| ECLASS 14 |
27-04-07-01 |
| ECLASS 15.0 |
27-04-07-01 |
| Efficiency |
90% @ 230 V AC |
| EN 61000-4-3 (RS), EN |
50178 |
| ETIM 10 |
EC002540 |
| ETIM 8.0 |
EC002540 |
| ETIM 9.0 |
EC002540 |
| Floating contact |
Yes |
| Frequency range AC |
45...65 HzHz |
| GTIN (EAN) |
4064675444145 |
| Housing version |
Plastic, protective°C |
| Humidity |
5...95 % rel. humidity, no |
| Input fuse (internal) |
Yes |
| Input voltage type |
AC |
| Inrush current |
40 A @ 230 V AC, 25°C |
| Insulation voltage input / earth |
3.5kV |
| Insulation voltage output / earth |
0.5kV |
| Insulation voltage, input/output |
3.5kV |
| Interference immunity test acc. to |
EN 61000-4-2 (ESD), |
| LED green |
Operating voltage OK |
| Mains failure bridge-over time |
Mains failure bridge-over time, min.min |
| Mains failure bridge-over time, min. |
60ms |
| max. |
min.min |
| Max. output current 1 |
10 |
| min. |
(input), max.mA |
| Mounting position, installation notice |
Horizontal on TS35 |
| mounting rail. 50 mm of |
insulation |
| Net weight |
490g |
| Noise emission in accordance with |
Class B |
| Nominal output current for Unom |
10 A @ 55°C |
| Nominal power consumption |
133.33VA |
| Nominal value output voltage 1 |
12V |
| Operating Temperature |
-25 °C...70°C |
| Output Current |
10A |
| Output current, max. |
10A |
| Output Power |
120W |
| Output voltage (max.) |
16V |
| Output voltage (min.) |
9V |
| Output voltage, note |
adjustable via potentiometer |
| Overload protection |
Yes |
| Parallel connection option |
yes, max. 3 |
| Performance level according to EN ISO 13849-1 |
N/A |
| Pollution severity |
2 |
| Power Consumption |
133.33 |
| Power factor (approx.) |
0.5 @ 120 V AC, 0.51 @ |
| Power loss, idling |
1.2W |
| Power loss, nominal load |
15.4W |
| Power Output |
120W |
| Product Type |
Rail mounted PSU (DIN) |
| Protection against over-heating |
Yes |
| Protection Class |
I, with PE connectionW |
| Qty. |
1 items |
| Rated input voltage |
110...240 V AC / 120...340 V DCV |
| Rated output voltage |
12 DCV |
| Rated supply voltage AC 50 Hz |
100 - 240 |
| Rated supply voltage AC 60 Hz |
100 - 240 |
| Rated supply voltage DC |
110 - 370 |
| REACH SVHC |
Lead 7439-92-1, Lead monoxide 1317-36-8l |
| Recommended back-up fuse |
4 A / DI, safety fuse, 6 A, Char. B, circuit breaker, 2...4 A, Char. C circuit breaker |
| Residual ripple, breaking spikes |
50 pp @ full loadmV |
| ROHS |
Conform |
| RoHS Compliance Status |
Compliant with exemption |
| Safety extra-low voltage |
SELV acc. to IEC |
| Safety transformers for switch-mode |
According to EN |
| SCIP |
d62541f7-8058-4336-b693-7303c8b40800°C |
| Screwdriver blade |
0.6 x 3.5 |
| Shock resistance IEC 60068-2-27 |
30 in all directionsg |
| SIL according to IEC 61508 |
N/A |
| Start-up |
-40°C |
| Status indication |
Green LED |
| Storage temperature |
-40 °C...85°C |
| Suitable for distribution board |
FALSE |
| Suitable for safety functions |
FALSE |
| Suitable for wall mounting |
rail |
| Temperature Derating |
AC-Input Derating |
| Tightening torque, max. |
0.6Nm |
| Tightening torque, min. |
0.5Nm |
| Trigger voltage, LED |
Uout > 0.9 x Unominal min |
| Trigger voltage, relay |
Uout > 0.9 x Unominal min |
| Type of electric connection |
Screw connection |
| UL File Number Search |
UL Website |
| Version |
Power supply, switch-mode power supply unit, 12 |
| Vibration resistance IEC 60068-2-6 |
0.7 according to ENg |
| Wire connection method |
Screw connection |
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