787-844

Additional Information

Part Number

787-844

UPC

4045454909925

Tariff Code

85044082900

ETIM

Group Code : EG000017

Group Description : Low-voltage Industrial Components

Class Description : DC-power supply

Class Code : EC002540

Version : 7

Safety And Protection

Isolation voltage (pri.-sec.)

DC 4.242 kV

Isolation voltage (pri.-PE)

DC 2.2 kV

Isolation voltage (sec.-PE)

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

Series operation

Yes

MTBF

> 500,000 h (per IEC 61709)

Environmental Requirements

Ambient temperature (operation)

-25 … +55 °C (Device starts at −40 °C (type-tested))

Ambient temperature (storage)

-25 … +85 °C

Relative humidity

5 … 96 % (no condensation permissible)

Derating

-5 %/K (> 45 °C)

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 inches

Connection type 2

Output

Connection technology 2

Push-in CAGE CLAMP®

WAGO connector 2

WAGO 831 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 inches

Connection type 3

Signaling

Connection technology 3

CAGE CLAMP®

WAGO connector 3

WAGO 733 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 inches

Signaling And Communication

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)

Physical Data

Width

128 mm / 5.039 inches

Height

171 mm / 6.732 inches

Depth from upper-edge of DIN-rail

205 mm / 8.071 inches

Note (dimensions)

Height with connector

Material Data

Fire load

0.000 MJ

Weight

2500.000 g

Input

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 2 A (340 VAC; 40 ADC)

Discharge current

≤ 1 mA

Inrush current

≤ 30 A

Power factor correction (PFC)

Passive

Mains failure hold-up time

≥ 15 ms (3 x 400 VAC)

Output

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

40 A (24 VDC)

Nominal output power

960 W

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 60 A (4 s); DC 50 A (16 s)

TopBoost

DC 100 A (50 ms)

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

Mechanical Data

Mounting type

DIN-35 rail

Specifications

Product Group Code

0006

Commercial Data

Packaging type

Box

Country of origin

DE

GTIN

4045454909925

Customs tariff number

85044083900

Efficiency/Power Losses

Power loss Pl

≤ 7 W; ≤ 61.5 W (nominal load)

Efficiency (typ.)

93.6 %

<B>Circuit Protection</B>

Internal fuse

3 x T 3.2 A / 440 VAC

Backup fusing (required)

An external DC fuse is required for the DC input voltage.

Backup fusing (recommended)

3 x Circuit breaker: 6 A, 10 A, 16 A; Tripping characteristic: B or C || Alternative: motor circuit breaker; Setpoint: 3.2 A; Setting range: 2.5 … 4 A