Item no. 787-834

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

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Features:

  • Switched-mode power supply with PowerBoost and TopBoost
  • Stand-by input for switching off the output and minimizing power consumption
  • DC OK contact for output monitoring
  • 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

Product details

Details
Technical Data
Input
Phases 1
Nominal input voltage Ui nom AC 100 … 240 V
Input voltage range AC 85 … 264 V; DC 120 … 373 V
Input voltage derating -1.5 %/V (< 110 VAC)
Nominal mains frequency range 50 … 60 Hz; 0 Hz
Input current Ii ≤ 2,3 A (230 VAC; 20 ADC)
Discharge current ≤ 1 mA
Inrush current ≤ 8 A (active power factor correction (PFC))
Power factor correction (PFC) Active
Mains failure hold-up time ≥ 25 ms (230 VAC)
Output
Nominal output voltage Uo nom DC 24 V (SELV)
Output voltage range DC 22 … 29,5 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 ≤ 70 mV (peak-to-peak)
Current limitation 1.1 x Io nom (typ.)
Overload behavior TopBoost/PowerBoost/Constant current mode
PowerBoost DC 30 A (4 s); DC 25 A (8 s)
TopBoost DC 80 A (25 ms)
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)
Efficiency/Power losses:
Power loss Pl ≤ 0,8 W (Stand-by); ≤ 4,8 W (No load); ≤ 43,2 W (Nominal load)
Efficiency (typ.) 91 %
Fuse protection:
Internal fuse T 10 A / 250 VAC
Required backup fusing An external DC fuse is required for the DC input voltage.
Recommended backup fusing Circuit breaker: 6 A, 10 A, 16 A; Tripping characteristic: B or C
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
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
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 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
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 inch
Geometrical Data
Width 97 mm / 3.819 inch
Height 171 mm / 6.732 inch
Depth from upper edge of DIN-rail 187 mm / 7.362 inch
Note (dimensions) Height with connector
Mechanical data
Mounting type DIN-35 rail (EN 60715) in 2 positions
Material Data
Weight 2300 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 -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 4050821085225
Customs tariff number 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
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