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Item no. 787-852

EPSITRON® PRO Power supply; three-phase; output voltage 24 VDC; 20 A; PowerBoost; LineMonitor

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Description



Features:

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

Product details

Details

Technical Data

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 1.1 A (340 VAC; 20 ADC)
Discharge current ≤ 1 mA
Inrush current ≤ 30 A
Power factor correction (PFC) Passive (changeable via software/display)
Mains failure hold-up time ≥ 13 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)
Factory preset DC 24 V
Nominal output current Io nom 20 A (24 VDC)
Nominal output power 480 W
Adjustment accuracy ≤ 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 DC 80 A (50 ms)
Signaling and communication
Signaling 1 x LED DC OK (green)
1 x LED warning (yellow)
1 x LED error (red)
LCD
4 x signal output (24 VDC, max. 25 mA)
1 x RS-232 interface
Operation status indicator LED green (DC OK)
LED yellow (warning)
LED red (error)
Communication RS-232 serial interface
Efficiency/Power losses:
Power loss Pl ≤ 8.3 W (no load); ≤ 34.1 W (nominal load)
Efficiency (typ.) 92.9 %
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: 2.5 A, setting range: 2.5 … 4 A
Safety and protection:
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 35 V
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
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) Output
Connection technology 2 Push-in CAGE CLAMP®
WAGO terminal 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 inch
Connection type (3) Signaling
Connection technology 3 CAGE CLAMP®
WAGO terminal 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 inch

Geometrical Data

Width 77 mm / 3.031 inch
Height 171 mm / 6.732 inch
Length from upper-edge of DIN-35 rail 179 mm / 7.047 inch
Note on dimensions Height including pluggable connector

Mechanical data

Type of mounting DIN-35 rail (EN 60715) in 2 positions

Material Data

Weight 1300 g

Environmental Requirements

Surrounding air (operating) temperature -25 … 70 °C (Device start at -40 °C type-tested)
Surrounding air (storage) temperature -25 … 85 °C
Relative humidity 5 … 96 % (no condensation permissible)
Derating -3 %/K (> 50 °C)
Pollution degree 2
Climatic category 3K3 (per EN 60721)

Standards and specifications

Conformity marking CE
Standards/specifications EN 60950; EN 61204-3; EN 61558-2-16; UL 60950; UL 508

Commercial data

Product Group 6 (Interface Electronics)
Packaging type BOX
Country of origin DE
GTIN 4045454909901
Customs Tariff No. 85044082900

Approvals / Certificates

UL-Approvals

Approval
Additional Approval Text
Certificate name
Language
Approval: UL
Underwriters Laboratories Inc.
Additional Approval Text UL 60950-1
Certificate name: E255815
Approval: UL
Underwriters Laboratories Inc.
Additional Approval Text UL 508
Certificate name: E255817

Downloads

CAD files

CAD data

2D/3D Models 787-852

CAE data

EPLAN Data Portal 787-852
WSCAD Universe 787-852

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Item no.: 787-890
RS-232 communication cable; length 1.8 m
Power Supplies Modules > Item no. 787-890

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