Item no. 787-1642

EPSITRON CLASSIC Power Switched-mode power supply; Classic; 3-phase; 24 VDC output voltage; 20 A output current; TopBoost; DC OK contact

Stock item

Features:

  • Switched-mode power supply with TopBoost, enabling secondary-side protection via circuit breakers
  • Natural convection cooling when horizontally mounted
  • Encapsulated for use in control cabinets
  • DC OK contact
  • Suitable for both parallel and series operation
  • Electrically isolated output voltage (SELV) per EN 60950-1/UL 60950-1; PELV per EN 60204

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 320 … 575 V; DC 450 … 800 V
Nominal mains frequency range 47 … 63 Hz; 0 Hz
Input current Ii ≤ 3 x 1.21 A (400 VAC); ≤ 3 x 1.03 A (500 VAC)
Discharge current ≤ 1 mA
Inrush current ≤ 30 A (NTC)
Power factor correction (PFC) Passive
Mains failure hold-up time ≥ 25 ms (500 VAC); ≥ 15 ms (400 VAC)
Output
Nominal output voltage Uo nom DC 24 V (SELV)
Output voltage range DC 23 … 28.5 V (adjustable)
Default setting DC 24 V
Nominal output current Io nom 20 A (24 VDC)
Nominal output power 480 W
Control deviation ≤ 1 %
Residual ripple ≤ 15 mV (peak-to-peak)
Current limitation 1.1 x Io nom (typ.)
Overload behavior Constant current
Signaling and communication
Signaling 1 x LED DC OK (green)
1 x DC OK contact (make contact; max. 30 VAC/DC; 1 A)
Operation status indicator Green LED (Uo)
Efficiency/power losses
Power loss Pl ≤ 5.8 W (No load); ≤ 42.8 W (400 VAC; Nominal load)
Power loss (max.) Pl (max.) 47.6 W (500 VAC / 24 VDC; 20 A)
Efficiency (typ.) 92 %
Circuit protection
Internal fuse No
Required backup fusing 3 x circuit breaker: 6 A, 10 A, 16 A; Tripping characteristic: B or C, 20 A (max.)
Alternative: motor circuit breaker
An external DC fuse is required for the DC input voltage.
Safety and protection
Isolation voltage (Pri.-Sec.) DC 4.242 kV
Isolation voltage (Pri.-GND) DC 2.2 kV
Isolation voltage (Sec.-GND) DC 0.7 kV
Protection class I
Protection type IP20 (per EN 60529)
Resistance to reverse feed ≤ DC 35 V
Overvoltage category II
Transient suppression (primary) Varistor
Overvoltage protection; secondary Internal protective circuit
≤ 40 VDC (in the event of a fault)
Short-circuit-protected Yes
Open-circuit-proof Yes
Parallel operation Yes
Series operation Yes
MTBF > 500,000 h (per IEC 61709)
Connection data
Connection type (1) Input/Signaling
Connection technology CAGE CLAMP®
WAGO Connector WAGO 721 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 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 inch
Physical data
Width 80 mm / 3.15 inch
Height 127 mm / 5 inch
Depth from upper edge of DIN-rail 180 mm / 7.087 inch
Mechanical data
Mounting type DIN-35 rail
Material Data
Weight 1623 g
Environmental Requirements
Surrounding air temperature (operation) -25 … 70 °C (Device starts at −40 °C (type-tested))
Surrounding air temperature (storage) -25 … 85 °C
Relative humidity 5 … 96 % (no condensation permissible)
Derating -2.5 %/K (> 55 °C)
Pollution degree 2
Standards and specifications
Conformity marking CE
Standards/Specifications EN 60950-1; EN 61204-3; UL 60950-1; UL 508; DNV GL
Commercial data
Packaging type BOX
Country of origin DE
GTIN 4055143259170
Customs tariff number 85044082900
Approvals / Certificates
Ship Approvals
Approval
Additional Approval Text
Certificate name
Language
Approval: DNV GL
Det Norske Veritas, Germanischer Lloyd
Additional Approval Text -
Certificate name: TAA00000KT
UL-Approvals
Approval
Additional Approval Text
Certificate name
Language
Approval: UL
Underwriters Laboratories Inc.
Additional Approval Text UL 508
Certificate name: E255817
Approval: UL
Underwriters Laboratories Inc.
Additional Approval Text UL 60950-1
Certificate name: E255815
Compatible products
Product family
EPSITRON CLASSIC Power
EPSITRON® CLASSIC POWER: The Robust Power Supply – with Integrated TopBoost (Optional)