Wago 787-916

Capacitive buffer module; 24 VDC input voltage; 24 VDC output voltage; 40 A output current; Buffer time: 0.3 … 6.6 s

MPN
787-916
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What is the Wago 787-916?

Features:

Capacitive buffer module bridges short duration voltage drops or load fluctuations.

Internal diode between input and output enables operation with a decoupled output.

Potential-free contact for charge condition monitoring

Specifications

Technical data - Input

Nominal input voltage U<sub>i nom</sub>24 VDC
Input voltage range23 … 30 VDC
Nominal mains frequency range0 Hz
Input current I<sub>i</sub>≤ 0.06 A (no load); ≤ 0.8 A (charging); ≤ 40.8 A

Technical data - Output

Nominal output voltage U<sub>o nom</sub>24 VDC
Output voltage rangeUi – 0.5 VDC (mains operation; Io = 20 A); Ui – 0.8 VDC (mains operation; Io = 40 A); 20 … 29 VDC (buffer mode)
Nominal output current I<sub>o nom</sub>40 A

Technical data - Energy storage systems

Buffer time0.3 … 6.6 s depends on load current and temperature
Switch-on threshold (typ.)DC 22 V
Memory typeSupercaps
Nominal capacity4.17 F
Nominal voltage32.4 V
Effective energy content (typ.)500 Ws
Charging time (typ.)2.5 min

Technical data - Signaling and communication

Signaling1 x DC OK LED (green), 1 x UPS LED (yellow), 1 x Warning LED (red), 1 x Isolated relay contact (max. 30 VDC; 1 A)
Operation status indicatorGreen LED (DC OK), Yellow LED (buffer mode/charging), Red LED (warning)

Technical data - Efficiency/power losses

Power loss P<sub>l</sub>≤ 1.9 W (operation without decoupled output); ≤ 11.5 W (Operation with decoupled output; Io = 20 A); ≤ 33.5 W (Operation with decoupled output; Io = 40 A)
Efficiency (typ.)96.5 %

Technical data - Circuit protection

Internal fuseNo
Backup fuse (recommended)T 40 A

Safety and protection

Isolation voltage (connectors – housing)0.5 kVDC
Protection classIII
Protection typeIP20; per EN 60529
Reverse voltage protectionyes
Pollution degree2
Parallel operationNo
Series operationNo
Service life74,000 h (25 °C; Ia = 40 A); 28,200 h (40 °C; Ia = 40 A)

Connection data - Connection 1

Connection typeInput/output
Connection technologyPush-in CAGE CLAMP®
WAGO connectorWAGO 2636 Series
Solid conductor0.75 … 16 mm² / 18 … 4 AWG
Fine-stranded conductor0.75 … 25 mm² / 18 … 4 AWG
Fine-stranded conductor; with insulated ferrule0.75 … 16 mm²
Fine-stranded conductor; with uninsulated ferrule0.75 … 16 mm²
Strip length18 … 20 mm / 0.71 … 0.79 inches

Connection data - Connection 2

Connection typeSignaling
Connection technologyCAGE CLAMP®
WAGO connectorWAGO 741 Series
Solid conductor0.08 … 2.5 mm² / 28 … 12 AWG
Fine-stranded conductor0.08 … 2.5 mm² / 28 … 12 AWG
Fine-stranded conductor; with insulated ferrule0.25 … 1.5 mm²
Fine-stranded conductor; with uninsulated ferrule0.25 … 1.5 mm²
Strip length5 … 6 mm / 0.2 … 0.24 inches

Physical data

Width68 mm / 2.677 inches
Height181 mm / 7.126 inches
Depth from upper-edge of DIN-rail162 mm / 6.38 inches

Mechanical data

Mounting typeDIN-35 rail

Material data

Weight900 g

Environmental requirements

Ambient temperature (operation)-10 … +50 °C
Ambient temperature (storage)-10 … +60 °C
Relative humidity5 … 95 % (no condensation permissible)

Standards and specifications

Conformity markingCE
Standards/specificationsEN 62368-1, EN 61000-6-2, EN 61000-6-3
Standards/specifications (pending)CSA

Commercial data

PU (SPU)1 pcs
Packaging typebox
Country of originDE
GTIN4066966455021
Customs tariff number85044083900

Product Classification

UNSPSC39121006
ETIM 9.0EC002540
ETIM 10.0EC002540
ECCNNO US CLASSIFICATION

Environmental Product Compliance

RoHS Compliance StatusCompliant,No Exemption

787-916: frequently asked questions

When can 787-916 be shipped?

787-916 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up 787-916 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for 787-916 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for 787-916, subject to availability and destination.

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Wago 787-916Price and lead time confirmed within 1 business day
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