Data sheet
PROmax
PRO MAX 72W 24V 3A
Weidmüller Interface GmbH & Co. KG
Klingenbergstraße 16
D-32758 Detmold
Germany
Fon: +49 5231 1429-0
Fax: +49 5231 14292083
www.weidmueller.com
Technical data
Creation date December 31, 2017 2:37:11 PM CET
Catalogue status 01.12.2017 / We reserve the right to make technical changes. 2
Dimensions and weights
Width 32 mm
Width (inches) 1.26 inch
Height 130 mm
Height (inches) 5.118 inch
Depth 125 mm
Depth (inches)
4.921 inch
Net weight 650 g
Temperatures
Humidity at operating temperature 5...95 %, no condensation
Operating temperature
-25 °C...70 °C
Storage temperature -40 °C...85 °C
Input
AC current consumption 1 A @ 230 V AC / 1.5 A @
115 V AC
AC input voltage range
85…277 V AC
Connection system
Screw connection
DC current consumption 1A @ 370 VDC / 1,5A @
120 VDC
DC input voltage range 80...370 V DC
Frequency range AC 45…65 Hz
Input fuse (internal) Yes
Inrush current max. 15 A
Rated input voltage
100...240 V AC (wide-
range input)
Recommended back-up fuse 6 A, Char. B, circuit
breaker, 3 - 5 A Char. C,
circuit breaker
Standby power consumption, max. 1.2 W
output
Connection system
Screw connection
Continuous output current @ U
Rated
3,6 A @ 45°C, 2,25 A @
70°C
Output power 72 W
Output voltage 24 V
Output voltage 22.5...29.5 V (adjustable
via potentiometer)
Parallel connection option
yes, max. 5
Power reserve at nom. voltage 3.6 A (1 min), 4.5 A (4s)
Protection against inverse voltage Yes
Pulsed current capacity @ U
Rated
9 A (2ms)
Rated (nominal) output current @ U
Nom
3 A @ 60 °C
Rated output voltage
24 V DC ± 1 %
Residual ripple, breaking spikes < 50 mVss @ U
Nenn
, Full
Load
General data
AC failure bridging time @ I
Nom
min. 20 ms
Current limiting > 120 % I
N
Degree of efficiency 89%
Derating > 60°C / 75% @ 70°C
Earth leakage current, max. 3.5 mA
Housing version Metal, corrosion resistant
MTBF
>500.000h (25°C, IEC
61709)
Mounting position, installation notice Horizontal on TS35
mounting rail. 50 mm of
clearance at top & bottom
for air circ. Can mount side
by side with no space in
between.
Operating temperature -25 °C...70 °C
Power factor (approx.) > 0.90 @ 230 V AC
Power loss, idling 1 W
Power loss, nominal load 8 W
Protection against reverse voltages from
the load 30…35 V DC
Protection degree
IP20
Series switching capability Yes
Short-circuit protection Yes
Start-up
≥ -40 °C
Status indication LED red/green and relay
(≥21.6 V DC LED green,
relay on/ ≤20.6 LED red,
relay off)
Surge voltage category III