Home / Wago / Switched-mode power supply; Pro; 3-phase; 24 VDC output voltage; 20 A output current; TopBoost + PowerBoost; LineMonitor; DC OK signal; 2,50 mm²

Available on request

Switched-mode power supply; Pro; 3-phase; 24 VDC output voltage; 20 A output current; TopBoost + PowerBoost; LineMonitor; DC OK signal; 2,50 mm²

Name: Switched-mode power supply; Pro; 3-phase; 24 VDC output voltage; 20 A output current; TopBoost + PowerBoost; LineMonitor; DC OK signal; 2,50 mm²
Brand: Wago
SKU: 787-852

MPN: 787-852 · Brand: Wago

Price on request

12-month warranty (new) · 3-month (used/refurbished)

30-day returns, no restocking fee on unused parts

Ships via

Quick facts

Availability	Confirmed on request
Category	Power Supplies
Lifecycle	active
Warranty	12-month (new) · 3-month (used/refurbished)

Shipping & availability

When can 787-852 be shipped?

787-852 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 787-852 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 787-852 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 787-852, subject to availability and destination.

<p><b>Features:</b></p><ul><li>Switched-mode power supply with PowerBoost and TopBoost</li><li>Suitable for both parallel and series operation</li><li>Natural convection cooling when horizontally mounted</li><li>Encapsulated for use in control cabinets</li><li>Electrically isolated output voltage (SELV) per UL 60950-1; PELV per EN 60204</li><li>LineMonitor for parameter setting and monitoring</li><li>RS-232 serial interface</li><li>Four signal outputs</li></ul>

Specifications

Technical data - Input

Phases	2 / 3
Nominal input voltage U<sub>i nom</sub>	(2 / 3) x 400 … 500 VAC, (2 / 3) x AC 400 … 500 V
Input voltage range	(2 / 3) x 340 … 550 VAC; 480 … 780 VDC
Nominal mains frequency range	50 … 60 Hz; 0 Hz
Input current I<sub>i</sub>	≤ 3 x 1.1 A (340 VAC; 20 ADC)
Inrush current	≤ 30 A
Power factor correction (PFC)	Passive (adjustable via software/display)
Mains failure hold-up time	≥ 13 ms (3 x 400 VAC)

Technical data - Output

Nominal output voltage U<sub>o nom</sub>	24 VDC (SELV)
Output voltage range	22.8 … 28.8 VDC (adjustable)
Default setting	DC 24 V
Nominal output current I<sub>o nom</sub>	20 A (24 VDC)
Nominal output power	480 W
Deviation	≤ 1 %
Residual ripple	≤ 70 mV (peak-to-peak)
Current limitation	1.1 x Io nom (typ.)
Overload behavior	Adjustable (constant current/fuse mode)
PowerBoost	DC 40 A (4 s); DC 30 A (16 s)
TopBoost	80 ADC (50 ms)

Technical data - Signaling and communication

Signaling	1 x DC OK LED (green), 1 x Warning LED (yellow), 1 x Error LED (red), LCD, 4 x Signal output (24 VDC; max. 25 mA), 1 x RS-232 interface
Operation status indicator	Green LED (DC OK), Yellow LED (warning), Red LED (error)
Communications	RS-232 serial interface

Technical data - Efficiency/power losses

Power loss P<sub>l</sub>	≤ 8.3 W; ≤ 34.1 W (nominal load)
Efficiency (typ.)	92.9 %

Technical data - Circuit protection

Internal fuse	3 x T 2.5 A / 440 VAC
Pre-fuse (required)	An external DC fuse is required for the DC input voltage.
Backup fuse (recommended)	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 … 4 A

Safety and protection

Isolation voltage (sec.-PE)	0.7 kVDC
Protection class	I
Protection type	IP20; per EN 60529
Resistance to reverse feed	≤ 35 VDC
Overvoltage category	II
Pollution degree	2
Transient suppression (primary)	Varistor
Short-circuit-protected	Yes
Open-circuit-proof	Yes
Parallel operation	Yes
Series operation	Yes
MTBF	> 500,000 h (per IEC 61709)

Connection data - Connection 1

Connection type	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 inches

Connection data - Connection 2

Connection type	Output
Connection technology	Push-in CAGE CLAMP®
WAGO connector	WAGO 831 Series
Solid conductor	0.5 … 10 mm² / 20 … 8 AWG
Fine-stranded conductor	0.5 … 10 mm² / 20 … 8 AWG
Strip length	13 … 15 mm / 0.51 … 0.59 inches

Connection data - Connection 3

Connection type	Signaling
Connection technology	CAGE CLAMP®
WAGO connector	WAGO 733 Series
Solid conductor	0.08 … 0.5 mm² / 28 … 20 AWG
Fine-stranded conductor	0.08 … 0.5 mm² / 28 … 20 AWG
Strip length	5 … 6 mm / 0.2 … 0.24 inches

Physical data

Width	77 mm / 3.031 inches
Height	171 mm / 6.732 inches
Depth from upper-edge of DIN-rail	179 mm / 7.047 inches
Note (dimensions)	Height with connector

Mechanical data

Mounting type

DIN-35 rail

Material data

Weight

1300 g

Environmental requirements

Ambient temperature (operation)	-25 … +70 °C (Device starts at -40 °C (type-tested))
Ambient temperature (storage)	-25 … +85 °C
Relative humidity	5 … 96 % (no condensation permissible)
Derating	−3 %/K (> 50 °C)
Climatic category	3K3 (per EN 60721)