Data sheet | Item number: 787-842
Switched-mode power supply; Pro; 3-phase; 24 VDC output voltage; 20 A
output current; TopBoost + PowerBoost; DC OK contact; 2,50 mm²
www.wago.com/787-842
Subject to changes. Please also observe the further product documentation!
WAGO Kontakttechnik GmbH & Co. KG
Hansastr. 27
32423 Minden
Phone: +49571 887-0 | Fax: +49571 887-169
Email: info.de@wago.com | Web: www.wago.com
Do you have any questions about our products?
We are always happy to take your call at +49 (571) 887-44222.
13.10.2021 Page 1/10
Data sheet | Item number: 787-842
www.wago.com/787-842
Item description
Features:
Switched-mode power supply with PowerBoost and TopBoost
Switch off the output and minimize power consumption via stand-by input
Output monitoring via DC OK contact
Suitable for both parallel and series operation
Natural convection cooling when horizontally mounted
Encapsulated for use in control cabinets
Electrically isolated output voltage (SELV) per EN 60950-1/UL 60950-1; PELV per EN 60204
Data
Subject to changes. Please also observe the further product documentation!
WAGO Kontakttechnik GmbH & Co. KG
Hansastr. 27
32423 Minden
Phone: +49571 887-0 | Fax: +49571 887-169
Email: info.de@wago.com | Web: www.wago.com
Do you have any questions about our products?
We are always happy to take your call at +49 (571) 887-44222.
13.10.2021 Page 2/10
Data sheet | Item number: 787-842
www.wago.com/787-842
Data
Technical data
Phases
2
3
Nominal input voltage Ui nom
(2 / 3) x AC 400 … 500 V
Input voltage range
(2 / 3) x AC 340 … 550 V; DC 480 … 780 V
Nominal mains frequency range
50 … 60 Hz; 0 Hz
Input current Ii
≤ 3 x 1.1 A (340 VAC; 20 ADC)
Discharge current
≤ 1 mA
Inrush current
≤ 30 A
Power factor correction (PFC)
Passive
Mains failure hold-up time
≥ 13 ms (3 x 400 VAC)
Power loss Pl
≤ 8.3 W (No load); ≤ 34.1 W (Nominal load)
Efficiency (typ.)
92.9 %
Nominal output voltage Uo nom
DC 24 V (SELV)
Output voltage range
DC 22.8 … 28.8 V (adjustable)
Default setting
DC 24 V
Nominal output current Io nom
20 A (24 VDC)
Nominal output power
480 W
Control deviation
≤ 1 %
Residual ripple
≤ 70 mV (peak-to-peak)
Current limitation
1.1 x Io nom (typ.)
Overload behavior
TopBoost/PowerBoost/Constant current mode
PowerBoost
DC 40 A (4 s); DC 30 A (16 s)
TopBoost
DC 80 A (50 ms)
Isolation voltage (Pri.-Sec.)
DC 4.242 kV
Isolation voltage (Pri.-GND)
DC 2.2 kV
Isolation voltage (Sec.-GND)
DC 0.7 kV
Protection class
I
Protection type
IP20 (per EN 60529)
Resistance to reverse feed
≤ DC 35 V
Overvoltage category
II
Pollution degree
2
Transient suppression (primary)
Varistor
Short-circuit-protected
Yes
Open-circuit-proof
Yes
Parallel operation
Yes
Subject to changes. Please also observe the further product documentation!
WAGO Kontakttechnik GmbH & Co. KG
Hansastr. 27
32423 Minden
Phone: +49571 887-0 | Fax: +49571 887-169
Email: info.de@wago.com | Web: www.wago.com
Do you have any questions about our products?
We are always happy to take your call at +49 (571) 887-44222.
13.10.2021 Page 3/10
Data sheet | Item number: 787-842
www.wago.com/787-842
Parallel operation
Yes
Series operation
Yes
MTBF
> 500,000 h (per IEC 61709)
Internal fuse
3 x T 2.5 A / 440 VAC
Required backup fusing
An external DC fuse is required for the DC input voltage.
Recommended backup fusing
3 x circuit breaker: 6 A, 10 A, 16 A; Tripping characteristic: B or C
Alternative: motor circuit breaker; Setpoint: 2.5 A; Setting range: 2.5
…4A
Signaling
1 x LED DC OK (green)
1 x Error LED (red)
1 x stand-by input
1 x DC OK relay contact (changeover contact)
Operation status indicator
Green LED (DC OK)
Red LED (error)
Connection data
Connection type (1)
Input
Connection technology
CAGE CLAMP®
WAGO Connector
WAGO 231 Series
Solid conductor
0.08 … 2.5 mm² / 28 … 12 AWG
Fine-stranded conductor
0.08 … 2.5 mm² / 28 … 12 AWG
Strip length
8 … 9 mm / 0.31 … 0.35 inch
Connection type 2
Output
Connection technology 2
Push-in CAGE CLAMP®
WAGO Connector 2
WAGO 740 Series
Solid conductor 2
0.5 … 10 mm² / 20 … 8 AWG
Fine-stranded conductor 2
0.5 … 10 mm² / 20 … 8 AWG
Strip length 2
13 … 15 mm / 0.51 … 0.59 inch
Connection type (3)
Signaling
Connection technology 3
CAGE CLAMP®
WAGO Connector 3
WAGO 231 Series
Solid conductor 3
0.08 … 0.5 mm² / 28 … 20 AWG
Fine-stranded conductor (3)
0.08 … 0.5 mm² / 28 … 20 AWG
Strip length 3
5 … 6 mm / 0.2 … 0.24 inch
Physical data
Width
77 mm / 3.031 inch
Height
171 mm / 6.732 inch
Subject to changes. Please also observe the further product documentation!
WAGO Kontakttechnik GmbH & Co. KG
Hansastr. 27
32423 Minden
Phone: +49571 887-0 | Fax: +49571 887-169
Email: info.de@wago.com | Web: www.wago.com
Do you have any questions about our products?
We are always happy to take your call at +49 (571) 887-44222.
13.10.2021 Page 4/10
Data sheet | Item number: 787-842
www.wago.com/787-842
Height
171 mm / 6.732 inch
Depth from upper edge of DIN-rail
179 mm / 7.047 inch
Note (dimensions)
Height with connector
Mechanical data
Mounting type
DIN-35 rail
Material data
Weight
1300 g
Environmental requirements
Surrounding air temperature (operation)
-25 … 70 °C (Device starts at −40 °C (type-tested))
Surrounding air temperature (storage)
-25 … 85 °C
Relative humidity
5 … 96 % (no condensation permissible)
Derating
-3 %/K (> 50 °C)
Standards and specifications
Conformity marking
CE
Standards/Specifications
EN 61010-1
EN 61010-2-201
EN 61204-3
EN 61558-2-16
UL 60950
UL 508
Commercial data
Product Group
6 (Interface Electronics)
PU (SPU)
1 Stück
Packaging type
box
Country of origin
DE
GTIN
4045454909932
Customs tariff number
85044082900
Approvals / Certificates
UL-Approvals
Logo
Approval
Additional Approval Text
UL
UL 508
Subject to changes. Please also observe the further product documentation!
WAGO Kontakttechnik GmbH & Co. KG
Hansastr. 27
32423 Minden
Phone: +49571 887-0 | Fax: +49571 887-169
Email: info.de@wago.com | Web: www.wago.com
Certificate
name
E255817
Do you have any questions about our products?
We are always happy to take your call at +49 (571) 887-44222.
13.10.2021 Page 5/10
Data sheet | Item number: 787-842
www.wago.com/787-842
UL
Underwriters Laboratories Inc.
UL 508
E255817
UL
Underwriters Laboratories Inc.
UL 60950-1
E255815
Optional accessories
Marking accessories
Marking strip
Item no.: 2009-110
Marking strips; for Smart Printer; on reel; not stretchable; plain; snap-on type; white
www.wago.com/2009-110
Item no.: 210-831
Marking strips; on reel; 2.3 mm wide; plain; Self-adhesive; white
www.wago.com/210-831
Item no.: 210-832
Marking strips; on reel; 3 mm wide; plain; Self-adhesive; white
www.wago.com/210-832
Marker
Item no.: 2009-145
www.wago.com/2009-145
Mini-WSB Inline; for Smart Printer; 1700 pieces on roll; stretchable 5 - 5.2 mm; plain; snap-on type; white
Item no.: 2009-115
WMB-Inline; for Smart Printer; 1500 pieces on roll; stretchable 5 - 5.2 mm; plain; snap-on type; white
www.wago.com/2009-115
Item no.: 248-501
Mini-WSB marking card; as card; not stretchable; plain; snap-on type; white
www.wago.com/248-501
Item no.: 793-501
WMB marking card; as card; not stretchable; plain; snap-on type; white
www.wago.com/793-501
Item no.: 793-5501
WMB marking card; as card; for terminal block width 5 - 17.5 mm; stretchable 5 - 5.2 mm; plain; snap-on www.wago.com/793-5501
type; white
Tool
Operating tool
Item no.: 210-719
Operating tool; Blade: 2.5 x 0.4 mm; with a partially insulated shaft
Item no.: 210-721
www.wago.com/210-719
www.wago.com/210-721
Operating tool; Blade: 5.5 x 0.8 mm; with a partially insulated shaft; multicoloured
Subject to changes. Please also observe the further product documentation!
WAGO Kontakttechnik GmbH & Co. KG
Hansastr. 27
32423 Minden
Phone: +49571 887-0 | Fax: +49571 887-169
Email: info.de@wago.com | Web: www.wago.com
Do you have any questions about our products?
We are always happy to take your call at +49 (571) 887-44222.
13.10.2021 Page 6/10
Data sheet | Item number: 787-842
www.wago.com/787-842
Operating tool; Blade: 5.5 x 0.8 mm; with a partially insulated shaft; multicoloured
Item no.: 210-769
SCREWDRIVER; green
www.wago.com/210-769
Item no.: 210-720
Operating tool; Blade: 3.5 x 0.5 mm; with a partially insulated shaft; multicoloured
www.wago.com/210-720
Item no.: 216-203
Ferrule; Sleeve for 1 mm² / AWG 18; insulated; electro-tin plated; red
www.wago.com/216-203
Item no.: 216-206
Ferrule; Sleeve for 2.5 mm² / AWG 14; insulated; electro-tin plated; blue
www.wago.com/216-206
Item no.: 216-207
Ferrule; Sleeve for 4 mm² / AWG 12; insulated; electro-tin plated; gray
www.wago.com/216-207
Item no.: 216-202
Ferrule; Sleeve for 0.75 mm² / 18 AWG; insulated; electro-tin plated; gray
www.wago.com/216-202
Item no.: 216-204
Ferrule; Sleeve for 1.5 mm² / AWG 16; insulated; electro-tin plated; black
www.wago.com/216-204
Item no.: 216-205
Ferrule; Sleeve for 2.08 mm² / AWG 14; insulated; electro-tin plated; yellow
www.wago.com/216-205
Ferrule
Ferrule
Item no.: 216-208
Ferrule; Sleeve for 6 mm² / AWG 10; insulated; electro-tin plated; electrolytic copper; gastight crimped; www.wago.com/216-208
acc. to DIN 46228, Part 4/09.90; yellow
Item no.: 216-201
Ferrule; Sleeve for 0.5 mm² / 20 AWG; insulated; electro-tin plated; white
www.wago.com/216-201
Item no.: 216-223
Ferrule; Sleeve for 1 mm² / AWG 18; insulated; electro-tin plated; red
www.wago.com/216-223
Item no.: 216-241
Ferrule; Sleeve for 0.5 mm² / 20 AWG; insulated; electro-tin plated; electrolytic copper; gastight
crimped; acc. to DIN 46228, Part 4/09.90; white
www.wago.com/216-241
Item no.: 216-242
Ferrule; Sleeve for 0.75 mm² / 18 AWG; insulated; electro-tin plated; electrolytic copper; gastight
crimped; acc. to DIN 46228, Part 4/09.90; gray
www.wago.com/216-242
Item no.: 216-222
Ferrule; Sleeve for 0.75 mm² / 18 AWG; insulated; electro-tin plated; gray
www.wago.com/216-222
Item no.: 216-221
Ferrule; Sleeve for 0.5 mm² / 20 AWG; insulated; electro-tin plated; white
www.wago.com/216-221
Item no.: 216-224
Ferrule; Sleeve for 1.5 mm² / AWG 16; insulated; electro-tin plated; black
www.wago.com/216-224
Item no.: 216-243
Ferrule; Sleeve for 1 mm² / AWG 18; insulated; electro-tin plated; electrolytic copper; gastight crimped; www.wago.com/216-243
Subject to changes. Please also observe the further product documentation!
WAGO Kontakttechnik GmbH & Co. KG
Hansastr. 27
32423 Minden
Phone: +49571 887-0 | Fax: +49571 887-169
Email: info.de@wago.com | Web: www.wago.com
Do you have any questions about our products?
We are always happy to take your call at +49 (571) 887-44222.
13.10.2021 Page 7/10
Data sheet | Item number: 787-842
www.wago.com/787-842
Ferrule; Sleeve for 1 mm² / AWG 18; insulated; electro-tin plated; electrolytic copper; gastight crimped; www.wago.com/216-243
acc. to DIN 46228, Part 4/09.90; red
Item no.: 216-244
Ferrule; Sleeve for 1.5 mm² / AWG 16; insulated; electro-tin plated; electrolytic copper; gastight
crimped; acc. to DIN 46228, Part 4/09.90; black
www.wago.com/216-244
Item no.: 216-263
Ferrule; Sleeve for 1 mm² / AWG 18; insulated; electro-tin plated; electrolytic copper; gastight crimped; www.wago.com/216-263
acc. to DIN 46228, Part 4/09.90; red
Item no.: 216-246
Ferrule; Sleeve for 2.5 mm² / AWG 14; insulated; electro-tin plated; electrolytic copper; gastight
crimped; acc. to DIN 46228, Part 4/09.90; blue
www.wago.com/216-246
Item no.: 216-266
Ferrule; Sleeve for 2.5 mm² / AWG 14; insulated; electro-tin plated; electrolytic copper; gastight
crimped; acc. to DIN 46228, Part 4/09.90; blue
www.wago.com/216-266
Item no.: 216-264
Ferrule; Sleeve for 1.5 mm² / AWG 16; insulated; electro-tin plated; electrolytic copper; gastight
crimped; acc. to DIN 46228, Part 4/09.90; black
www.wago.com/216-264
Item no.: 216-284
Ferrule; Sleeve for 1.5 mm² / AWG 16; insulated; electro-tin plated; electrolytic copper; gastight
crimped; acc. to DIN 46228, Part 4/09.90; black
www.wago.com/216-284
Item no.: 216-286
Ferrule; Sleeve for 2.5 mm² / AWG 14; insulated; electro-tin plated; electrolytic copper; gastight
crimped; acc. to DIN 46228, Part 4/09.90; blue
www.wago.com/216-286
Item no.: 216-287
Ferrule; Sleeve for 4 mm² / AWG 12; insulated; electro-tin plated; electrolytic copper; gastight crimped; www.wago.com/216-287
acc. to DIN 46228, Part 4/09.90; gray
Item no.: 216-262
Ferrule; Sleeve for 0.75 mm² / 18 AWG; insulated; electro-tin plated; electrolytic copper; gastight
crimped; acc. to DIN 46228, Part 4/09.90; gray
www.wago.com/216-262
Item no.: 216-288
Ferrule; Sleeve for 6 mm² / AWG 10; insulated; electro-tin plated; electrolytic copper; gastight crimped; www.wago.com/216-288
acc. to DIN 46228, Part 4/09.90; yellow
Item no.: 216-301
Ferrule; Sleeve for 0.25 mm² / AWG 24; insulated; electro-tin plated; yellow
www.wago.com/216-301
Item no.: 216-321
Ferrule; Sleeve for 0.25 mm² / AWG 24; insulated; electro-tin plated; yellow
www.wago.com/216-321
Item no.: 216-322
Ferrule; Sleeve for 0.34 mm² / 22 AWG; insulated; electro-tin plated; green
www.wago.com/216-322
Item no.: 216-267
Ferrule; Sleeve for 4 mm² / AWG 12; insulated; electro-tin plated; electrolytic copper; gastight crimped; www.wago.com/216-267
acc. to DIN 46228, Part 4/09.90; gray
Item no.: 216-302
Ferrule; Sleeve for 0.34 mm² / 22 AWG; insulated; electro-tin plated; green
www.wago.com/216-302
Mounting adapter
Wall-mount adapter
Subject to changes. Please also observe the further product documentation!
WAGO Kontakttechnik GmbH & Co. KG
Hansastr. 27
32423 Minden
Phone: +49571 887-0 | Fax: +49571 887-169
Email: info.de@wago.com | Web: www.wago.com
Do you have any questions about our products?
We are always happy to take your call at +49 (571) 887-44222.
13.10.2021 Page 8/10
Data sheet | Item number: 787-842
www.wago.com/787-842
Wall-mount adapter
Item no.: 787-895
Mounting carrier; for screw fixing of 787-8xx devices on mounting plate or wall without DIN 35 rail
www.wago.com/787-895
DIN-rail adapter
Item no.: 787-897
Carrier rail adapter made of zinc die-cast; for mounting 787-8xx devices to a DIN 35 rail
www.wago.com/787-897
Item no.: 787-896
Carrier rail adapter; for mounting 787-8xx devices to a DIN 35 rail
www.wago.com/787-896
Downloads
Documentation
Bid Text
787-842
Jul 4, 2019
docx
20.9 kB
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Jul 4, 2019
xml
7.7 kB
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pdf
367.9 kB
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pdf
265.8 kB
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Dec 9, 2019
exe
337.4 kB
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docx - Datei
787-842
X81 - Datei
Instruction Leaflet
Primär getaktete Stromversorgungen PRO
DC 24 V, 20 A, SELV
Additional Information
Disposal; Electrical and electronic equipment, Packaging
Engineering-Software
Configuration and Commissioning Software
WAGO Line Length Calculation
Die WAGO Leitungslaengenrechnung hilft bei der Planung der sekundärseitigen
Absicherung von Leitungen an WAGO Stromversorgungen Pro (787-8xx) unde
Classic (787-16xx). Nach Auswahl eines Netzgerätes kann der gewünschte
Leitungsquerschnitt und der zugehörige Leitungsschutzschalter ausgewählt werden.
Das Software-Werkzeug berechnet dann die maximale Leitungslänge, bei der die
Absicherung unter Berücksichtigung der Leitungs- und Übergangswiderstände
ordnungsgemäß funktioniert. Die Auswahl einer Grundlast kann vom Anwender
vorgenommen werden.
Subject to changes. Please also observe the further product documentation!
WAGO Kontakttechnik GmbH & Co. KG
Hansastr. 27
32423 Minden
Phone: +49571 887-0 | Fax: +49571 887-169
Email: info.de@wago.com | Web: www.wago.com
Do you have any questions about our products?
We are always happy to take your call at +49 (571) 887-44222.
13.10.2021 Page 9/10
Data sheet | Item number: 787-842
www.wago.com/787-842
CAD/CAE-Data
CAD data
2D/3D Models 787-842
URL
Download
EPLAN Data Portal 787-842
URL
Download
ZUKEN Portal 787-842
URL
Download
WSCAD Universe 787-842
URL
Download
URL
Download
CAE data
Environmental Product Compliance
Compliance Search
Environmental Product Compliance 787-842
Switched-mode power supply; Pro; 3-phase; 24 VDC output voltage; 20 A output
current; TopBoost + PowerBoost; DC OK contact; 2,50 mm²
Installation Notes
Product family
EPSITRON PRO Power
EPSITRON® PRO POWER: Professional and Efficient Power Supply with Extra Power
Show all products from the family
Subject to changes. Please also observe the further product documentation!
WAGO Kontakttechnik GmbH & Co. KG
Hansastr. 27
32423 Minden
Phone: +49571 887-0 | Fax: +49571 887-169
Email: info.de@wago.com | Web: www.wago.com
Do you have any questions about our products?
We are always happy to take your call at +49 (571) 887-44222.
13.10.2021 Page 10/10
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