# POWER SUPPLY, AC-DC, 12V, 8A

![Product image](https://novapart.co/image/farnell:3437377/)

**URL**: https://novapart.co/products/787-1721/power-supply-ac-dc-12v-8a
**SKU**: 787-1721
**Manufacturer**: WAGO
**Category**: Power & Line Protection || Power Supplies || AC / DC Converters || AC / DC DIN Rail Mount Power Supplies
**Price**: €59.4700
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| No. Of Outputs | 1 Output |
| Output Power Max | 96W |
| Input Voltage Vac | 90V AC to 264V AC |
| Power Supply Approvals | ITE, Household & Transformers |
| Power Supply Output Type | Fixed |
| Output Current - Output 1 | 8A |
| Output Voltage - Output 1 | 12V |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3437377/)

Data sheet  |  Item number: 787-1721 Switched-mode power supply; Eco; 1-phase; 12 VDC output voltage; 8 A output current; DC-OK LED 

www.wago.com/787-1721 

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 {0}. 

23.03.2020    Page /1 7 

Data sheet  |  Item number: 787-1721 www.wago.com/787-1721 oe 

Item description 

## Features: 

Switched-mode power supply 

- Natural convection cooling when horizontally mounted Encapsulated for use in control cabinets 

- Suitable for both parallel and series operation 

Electrically isolated output voltage (SELV) per EN 60335-1; PELV per EN 60204 

DIN-35 rail mountable in different positions 

Direct installation on mounting plate via cable grip 

## Data Technical Data 

## Input 

|Phases|1|
|---|---|
|Nominal input voltage Ui nom|AC 100 … 240 V|
|Input voltage range|AC 90 … 264 V; DC 125 … 375 V|
|Nominal mains frequency range|47 … 63 Hz; 0 Hz|
|Input current Ii|≤ 3 A (100 VAC)|
|Discharge current|≤ 3,5 mA|
|Inrush current|≤ 18 A|
|Power factor correction (PFC)|Passive|
|Mains failure hold-up time|≥ 10 ms (230 VAC)|



Subject to changes. Please also observe the further product documentation! 

|WAGO Kontakttechnik GmbH & Co. KG|Do you have any questions about our products?|
|---|---|
|Hansastr. 27|We are always happy to take your call at {0}.|
|32423 Minden||
|Phone: +49571 887-0 | Fax: +49571 887-169||
|Email: info.de@wago.com | Web: www.wago.com||



23.03.2020    Page /2 7 

Data sheet  |  Item number: 787-1721 www.wago.com/787-1721 oe 

## Output 

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|---|---|
|Nominal output voltage Uo nom|DC 12 V (SELV)|
|Output voltage range|DC 10 … 14 V (adjustable)|
|Factory preset|DC 12 V|
|Nominal output current Io nom|8 A (12 VDC; 110 … 240 VAC); 6,4 A (12 VDC; 100 … 240 VAC)|
|Nominal output power|96 W|
|Adjustment accuracy|≤ 1 %|
|Residual ripple|≤ 150 mV (peak-to-peak)|
|Overload behavior|Constant power (in overload range: 1.05 ... 1.4 x Io nom); Shutdown|
|and automatic restart in the event of a short circuit|

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## Signaling and communication 

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|---|---|
|Signaling|1 x LED DC OK (green)|
|Operation status indicator|Green LED (Uo)|

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## Efficiency/Power losses: 

Efficiency (typ.) 80 % (230 VAC; 8 ADC) 

## Fuse protection: 

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|||
|---|---|
|Internal fuse|F 3.15 A / 250 VAC|
|External fuse (required)|An external DC fuse is required for the DC input voltage.|
|External fuse (recommended)|Circuit breaker: B6, B10|

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## Safety and protection: 

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|||
|---|---|
|Insulation voltage (PRI-SEC)|DC 4,242 kV|
|Isolation voltage (PRI-GND)|DC 2,2 kV|
|Insulation voltage (SEC-GND)|DC 0,7 kV|
|Protection class|I|
|Protection class|IP20 (per EN 60529)|
|Feedback voltage|≤ DC 14 V|
|Overvoltage category|II|
|Transient protection, primary|Varistor|
|Short circuit protection|Yes|
|No-load proof|Yes|
|Parallel operation|Yes|

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Subject to changes. Please also observe the further product documentation! 

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**----- Start of picture text -----**<br>
|||
|---|---|
|WAGO Kontakttechnik GmbH & Co. KG|Do you have any questions about our products?|
|Hansastr. 27|We are always happy to take your call at {0}.|
|32423 Minden|
|Phone: +49571 887-0 | Fax: +49571 887-169|
|Email: info.de@wago.com | Web: www.wago.com|

**----- End of picture text -----**<br>


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## Data sheet  |  Item number: 787-1721 www.wago.com/787-1721 ~~oe~~ 

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|---|---|
|Series connection|Yes, for 2 devices of the same type|
|MTBF|> 300,000 h (per IEC 61709)|

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## Connection data 

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|||
|---|---|
|Connection type (1)|Input/Output|
|Connection technology|
|CAGE CLAMP|[®]|
|WAGO terminal|WAGO 236 Series|
|Solid conductor|0,08 … 2,5 mm² / 28 … 12 AWG|
|Fine-stranded conductor|0,08 … 2,5 mm² / 28 … 12 AWG|
|Strip length|6 … 7 mm / 0.24 … 0.28 inch|
|Note (conductor cross-section)|12 AWG: THHN, THWN|

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## Geometrical Data 

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|---|---|
|Width|60 mm / 2.362 inch|
|Height|130 mm / 5.112 inch|
|Length from upper-edge of DIN-35 rail|99 mm / 3.898 inch|

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## Mechanical data 

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|---|---|
|Type of mounting|DIN-35 rail (EN 60715)|
|Screw mount|

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## Material Data 

Weight 520 g 

## Environmental Requirements 

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|---|---|
|Surrounding air (operating) temperature|-20 … 60 °C|
|Surrounding air (storage) temperature|-25 … 75 °C|
|Relative humidity|10 … 95 % (no condensation permissible)|
|Derating|-3 %/K (> 40 °C)|
|Pollution degree|2|
|Climatic category|3K3 (per EN 60721)|

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## Standards and specifications 

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|---|---|
|Conformity marking|CE|
|Standards/specifications|EN 61204-3; EN 60335-1; EN 61558-2-6; EN 62368-1|

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Subject to changes. Please also observe the further product documentation! 

**==> picture [460 x 56] intentionally omitted <==**

**----- Start of picture text -----**<br>
|||
|---|---|
|WAGO Kontakttechnik GmbH & Co. KG|Do you have any questions about our products?|
|Hansastr. 27|We are always happy to take your call at {0}.|
|32423 Minden|
|Phone: +49571 887-0 | Fax: +49571 887-169|
|Email: info.de@wago.com | Web: www.wago.com|

**----- End of picture text -----**<br>


23.03.2020    Page /4 7 

Data sheet  |  Item number: 787-1721 www.wago.com/787-1721 o ~~e~~ 

## Commercial data 

|Packaging type|BOX|
|---|---|
|Country of origin|CN|
|GTIN|4055143656047|
|Customs Tariff No.|85044082900|



## Counterpart 

## Compatible products 

tools 

|tools|tools|tools|
|---|---|---|
|Item no.: 210-720<br>Operating tool; Blade: 3.5 x 0.5 mm; with a partially insulated shaft<br>www.wago.com/210-720<br>~~pe~~|||
|Item no.: 210-769<br>SCREWDRIVER; green<br>www.wago.com/210-769<br>~~Pe~~|||
|ferrule|||
|||Item no.: 216-201<br>Ferrule; Sleeve for 0.5 mm² / 20 AWG; insulated; electro-tin plated; white|www.wago.com/216-201|
||Item no.: 216-202<br>Ferrule; Sleeve for 0.75 mm² / 18 AWG; insulated; electro-tin plated; gray|www.wago.com/216-202|
||Item no.: 216-203<br>Ferrule; Sleeve for 1 mm² / AWG 18; insulated; electro-tin plated; red|www.wago.com/216-203|
|Hl|Item no.: 216-204<br>Ferrule; Sleeve for 1.5 mm² / AWG 16; insulated; electro-tin plated; black|www.wago.com/216-204|
|||Item no.: 216-221<br>Ferrule; Sleeve for 0.5 mm² / 20 AWG; insulated; electro-tin plated; white|www.wago.com/216-221|
||Item no.: 216-222<br>Ferrule; Sleeve for 0.75 mm² / 18 AWG; insulated; electro-tin plated; gray|www.wago.com/216-222|
||Item no.: 216-223<br>Ferrule; Sleeve for 1 mm² / AWG 18; insulated; electro-tin plated; red|www.wago.com/216-223|
|Hl|Item no.: 216-224<br>Ferrule; Sleeve for 1.5 mm² / AWG 16; insulated; electro-tin plated; black|www.wago.com/216-224|
|||Item no.: 216-241<br>Ferrule; Sleeve for 0.5 mm² / 20 AWG; insulated; electro-tin plated; electrolytic copper; gastight<br>crimped; acc. to DIN 46228, Part 4/09.90; white|www.wago.com/216-241|



Subject to changes. Please also observe the further product documentation! 

WAGO Kontak ~~t~~ technik GmbH & Co. KG Do you have any questions about our produ ~~c~~ ts? Hansastr. 27 We are always happy to take your call at {0}. 32423 Minden Phone: +49571 887-0 | Fax: +49571 887-169 Email: info.de@wago.com | Web: www.wago.com 

23.03.2020    Page /5 7 

Data sheet  |  Item number: 787-1721 www.wago.com/787-1721 ~~oe~~ 

www.wago.com/216-242 

|Data sheet  |  Item number: 787-1721<br>www.wago.com/787-1721<br>~~oe~~|~~WAGO~~|www.wago.com/216-242<br>~~WAGO~~|
|---|---|---|
|Item no.: 216-242||www.wago.com/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|||
|Item no.: 216-243|||
|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||www.wago.com/216-244|
|crimped; acc. to DIN 46228, Part 4/09.90; black|||
|Item no.: 216-262|||
|Ferrule; Sleeve for 0.75 mm² / 18 AWG; insulated; electro-tin plated; electrolytic copper; gastight||www.wago.com/216-262|
|crimped; acc. to DIN 46228, Part 4/09.90; gray|||
|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.: 216-264|||
|Ferrule; Sleeve for 1.5 mm² / AWG 16; insulated; electro-tin plated; electrolytic copper; gastight||www.wago.com/216-264|
|crimped; acc. to DIN 46228, Part 4/09.90; black|||
|Item no.: 216-284|||
|Ferrule; Sleeve for 1.5 mm² / AWG 16; insulated; electro-tin plated; electrolytic copper; gastight||www.wago.com/216-284|
|crimped; acc. to DIN 46228, Part 4/09.90; black|||
|Item no.: 216-301<br>Ferrule; Sleeve for 0.25 mm² / AWG 24; insulated; electro-tin plated; yellow||www.wago.com/216-301|
|Item no.: 216-302<br>Ferrule; Sleeve for 0.34 mm² / 22 AWG; insulated; electro-tin plated; green||www.wago.com/216-302|
|Item no.: 216-321<br>Ferrule; Sleeve for 0.25 mm² / AWG 24; insulated; electro-tin plated; yellow||www.wago.com/216-321|
|Item no.: 216-322<br>Ferrule; Sleeve for 0.34 mm² / 22 AWG; insulated; electro-tin plated; green||www.wago.com/216-322|
|Marking accessories|||
|Item no.: 210-831<br>Marking strips; on reel; 2.3 mm wide; plain; Self-adhesive; white||www.wago.com/210-831|
|Item no.: 210-832<br>Marking strips; on reel; 3 mm wide; plain; Self-adhesive; white||www.wago.com/210-832|
|Downloads|||
|Documentation|||
|Instruction Leaflet|||
|Primary Switch Mode Power Supply EPSITRON-ECO-Power|V 1.1|pdf<br>Download|
|VDC 12, 8 A||272.1 kB|



|Subject to changes. Please also observe the further product documentation!|Subject to changes. Please also observe the further product documentation!|
|---|---|
|WAGO Kontakttechnik GmbH & Co. KG|Do you have any questions about our products?|
|Hansastr. 27|We are always happy to take your call at {0}.|
|32423 Minden||
|Phone: +49571 887-0 | Fax: +49571 887-169||
|Email: info.de@wago.com | Web: www.wago.com||



23.03.2020    Page /6 7 

Data sheet  |  Item number: 787-1721 www.wago.com/787-1721 o ~~e~~ 

|Data sheet  |  Item number: 787-1721<br>www.wago.com/787-1721<br>o~~e~~||WAGD|WAGD|
|---|---|---|---|
|Additional Information||||
|Disposal; Electrical and electronic equipment, Packaging|V 1.0.0|pdf|Download|
|||265.8 kB||
|CAD/CAE-Data||||
|CAD data||||
|2D/3D Models 787-1721||URL|Download|
|CAE data||||
|EPLAN Data Portal 787-1721|||Download|



## CAD/CAE-Data CAD data 2D/3D Models 787-1721 CAE data EPLAN Data Portal 787-1721 

Installation Notes Product family Eco Show all products from the family 

Subject to changes. Please also observe the further product documentation! 

WAGO Kontakttechnik GmbH & Co. KG Do you have any questions about our products? Hansastr. 27 We are always happy to take your call at {0}. 32423 Minden Phone: +49571 887-0 | Fax: +49571 887-169 Email: info.de@wago.com | Web: www.wago.com 

23.03.2020    Page /7 7 



## Links

- [View this product on Novapart](https://novapart.co/products/787-1721/power-supply-ac-dc-12v-8a)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/en-ES/wago/787-1721/power-supply-ac-dc-12v-8a/dp/3437377)
---

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