Data Sheet

Data sheet | Item number:787-850

www.wago.com/787-850

06.12.2018Page /3 8

LED red (error)

Communication RS-232 serial interface

Efficiency/Power losses:

Power loss P

7.8 W (no load); 19.9 W (nominal load)

Efficiency 91.7 %

Fuse protection:

Internal fuse 3 x T 2.5A / 440VAC

External fuse (required) an external DC fuse required for DC input voltage

External fuse (recommended) 3 x circuit breakers 6 A, 10 A, 16 A, characteristic: B or C

or motor circuit breakers, setpoint: 1.6 A, setting range: 1.6 … 2.5 A

Safety and protection:

Insulation voltage (PRI-SEC) 4.242 kV DC

Isolation voltage (PRI-GND) 2.2 kV DC

Insulation voltage (SEC-GND) 0.7 kV DC

Protection class I

Degree of protection IP20 (per EN 60529)

Feedback voltage ≤ 35VDC

Overvoltage category II

Transient protection, primary Varistor

Short circuit protection Yes

No-load proof Yes

Parallel operation Yes

Series connection Yes

MTBF >500,000h (per IEC 61709)

Connection data

Connection type (1) Input/Output

Connection technology

CAGE CLAMP

WAGO terminal 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) Signaling

Connection technology 2

CAGE CLAMP

WAGO terminal 2 WAGO 733 Series

Solid conductor (2) 0.08 … 0.5 mm² / 28 … 20 AWG

Fine-stranded conductor (2) 0.08 … 0.5 mm² / 28 … 20 AWG