Description
Primary switched-mode power supply
Self-cooling through natural convection when installed horizontally
Encapsulated, for installation in control cabinets
Can be connected in parallel, can be connected in series
Galvanically isolated output voltage (SELV) in accordance with EN 60950-1/UL 60950
Primary switched-mode power supply
Prepared for devices and systems
of protection class I
Self-cooling through natural
convection when installed horizontally
Encapsulated, for installation in control cabinets
Can be connected in parallel, can be connected in series
Galvanically isolated output voltage
(SELV) in accordance with EN 60950-1/UL 60950
Input
Nominal voltage Ue Nominal:
AC 110 &hellip, 240 V
Voltage range:
AC 85 &hellip, 264 V,
DC 130 &hellip, 373 V
(external protection for DC
required)
Output
Nominal voltage Ua Nominal:
DC 24 V, SELV
Voltage range:
DC 22&hellip, 28 V, adjustable
Current Ia: 2.5 A at DC 24 V
Default setting: DC 24 V
Control deviation: 1 %
Residual ripple:
< 100 mVpp up to 20 MHz
Behavior in the event of overload:
Constant power
(in the overload range 1.15 ... 1.4 x Ia),
shutdown in the event of a short circuit and
automatic Restart
Operating display:
LED green (DC 24 V OK),
LED red (overload)
Efficiency: 82% typ.
Fuse
Internal fuse: F 2.5 A/250 V
Recommended back-up fuse:
Circuit breaker C10 or B16
an external DC fuse is required for DC input voltage
Safety and protection
Protection class IP20 according to EN 60529
Overvoltage protection:
by varistor in the primary circuit
Short-circuit proof: yes
No-load proof: yes
Back-feed strength:
DC 28 V
Can be connected in parallel: yes
Can be connected in series: yes
Connection technology:
CAGE CLAMP® (WAGO Series 745)
Cross sections:
0.08 ... 4 mm / AWG 28 ... 12
(THHN, THWN)
Fastening type:
Mounting on mounting rail (EN 60715)
Dimensions (WxHxD):
50 x 92 x 136 mm
Height from top edge of mounting rail
Weight: 596 g
Standards/regulations:
EN 60950, EN 61000-6-2,
EN 61000-6-3, UL 60950, UL 508,
ANSI/ISA 12.12.01 (Class I Div.2) *,
ATEX*
(* in preparation)
Manufacturer: WAGO
Type: 787-712
| Property | Value |
| 1. Output voltage: | 22 to 28 V |
| Type of supply voltage: | AC/DC |
| Max. Output current 1: | 2.5 A |
| Output voltage adjustable: | yes |
| Rated supply voltage at AC 50 Hz: | 90 to 264 V |
| Rated supply voltage at DC: | 90 to 373 V |
| Rated supply voltage at AC 60 Hz: | 90 to 264 V |
| Short-circuit proof: | yes |
| Stabilized: | yes |
| Suitable for safety functions: | no |
| Direct mounting possible: | no |
| Design of the electrical connection: | spring-loaded connection |
| Output voltage regulated: | yes |
| Suitable for series installation: | no |
| Rail mounting possible: | yes |
| Wall mounting possible: | no |
| Protection class (IP): | IP20 |
| Width: | 50 mm |
| Height: | 92 mm |
| Depth: | 136 mm |
| Nominal output voltage 1: | 24 V |
| Nominal output current 1: | 2.5 A |
| Width in pitch units: | 3 |
