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SS823

ABB SS823 3BSE038226R1 Voting Unit 20A Redundant

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  • Manufacturer: ABB

  • Product No.: SS823

  • Product Type: Power Voting Unit

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 870g

  • Shipping port: Xiamen

  • Warranty: 12 months

30 günlük yzyna gaýtaryş syýasaty · 12 aýlyk kepillik
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Düşündiriş

ABB SS823 3BSE038226R1 Voting Unit

The ABB SS823 3BSE038226R1 Voting Unit is designed for redundant power supply configurations. It separates redundant power supplies, supervises voltage, and generates supervision signals for power consumers. Certified for SIL3 according to IEC 61508, it ensures high integrity power distribution for AC 800M and S880 I/O systems.

Product Identification

  • Manufacturer: ABB
  • Article Number: 3BSE038226R1
  • Type: Voter and Over Voltage Protection
  • High Integrity: Yes

Electrical Specifications

Parameter Value
Rated Output Current 20 A
Rated Input Power 500 W
Nominal Input Voltage 24V DC
Input Frequency 60 V DC
Load Sharing Yes
Supervision Relay Yes
Max Output Current (Overload) 35 A
Output Overvoltage Protection < 30 V
Heat Dissipation (20A) 24 W
Heat Dissipation (5A) 6 W
Output Voltage Regulation 1.2 V lower than input

Physical Specifications

Parameter Value
Width 116 mm (4.6 in)
Depth (including connector) 145 mm (5.8 in)
Height 132 mm (5.3 in)
Weight 870 g (1.9 lb)
Mounting Spacing (W) 15 mm (0.59 in)
Mounting Spacing (H) 30 mm (1.2 in)
Protection Rating IP20
Max Ambient Temperature 55°C

Features and Benefits

  • DIN-rail mounting for easy installation.
  • Double overvoltage protection on both inputs.
  • Detects short and open circuits in voting element.
  • Green LEDs provide visual indication of correct output voltage.
  • Voltage-free contacts for supervision signaling.
  • Class I Equipment with protective earth connection.
  • Over-voltage Category III for primary mains connection.
  • Protective separation of secondary from primary circuit.
  • Accepted for SELV and PELV applications.
  • Output protected against overcurrent (current limit) and overvoltage (OVP).
  • Certified for SIL3 according to IEC 61508.
  • G3 compliant for corrosive atmospheres.

Environment and Certification

Certification Status
CE Mark Yes
Electrical Safety IEC 61131-2, EN 50178
ATEX Zone 2 Yes
Marine Certification ABS, BV, DNV-GL, LR
Corrosive Atmosphere ISA-S71.04 G3
Pollution Degree Degree 2 (IEC 60664-1)
EMC EN 61000-6-4, EN 61000-6-2
RoHS Compliance 2011/65/EU

Installation

  • Mount on DIN rail with specified spacing (15mm W, 30mm H).
  • Connect to protective earth (PE) for Class I equipment.
  • Connect two power supply outputs to voting unit inputs.
  • Connect supervision signals to power consumer.
  • Ensure ambient temperature does not exceed 55°C.
  • Verify SELV/PELV compliance for connected loads.

Technical FAQs

Q1: What is the rated output current of the SS823?
A1: 20 A continuous, with 35 A overload capability.

Q2: What certifications does the SS823 hold?
A2: SIL3 (IEC 61508), ATEX Zone 2, and marine certifications (ABS, BV, DNV-GL, LR).

Q3: How does the voting unit indicate correct operation?
A3: Green LEDs on the front panel provide visual indication, and voltage-free contacts close for supervision signaling.

🏷️ Tags: Power Voting Unit

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