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B&R 0PB020.1 Power Buffer Module (Imported)

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B&R 0PB020.1 Power Buffer Module (Imported)
May 27, 2026

B&R 0PB020.1 Power Buffer Module (Imported)

The B&R 0PB020.1 is an imported capacitor-based 24 VDC power buffer module, designed to provide short‑term ride‑through for industrial control systems during power sags or brief outages. It stores energy in high‑reliability capacitors, avoiding the maintenance and lifespan issues of battery‑based solutions. When mains power fails, it instantly supplies stored energy to keep 24 VDC loads operational for up to 3.6 seconds at 1 A, enabling orderly shutdown or bridging of transient disturbancesB& R Industrial Automation. Compact, robust, and DIN‑rail mountable, it is a cost‑effective alternative to DC UPS for many industrial applicationsB& R Industrial Automation.

Description

B&R 0PB020.1 Power Buffer Module (Imported)

Product Introduction

The B&R 0PB020.1 is an imported capacitor-based 24 VDC power buffer module, designed to provide short‑term ride‑through for industrial control systems during power sags or brief outages. It stores energy in high‑reliability capacitors, avoiding the maintenance and lifespan issues of battery‑based solutions. When mains power fails, it instantly supplies stored energy to keep 24 VDC loads operational for up to 3.6 seconds at 1 A, enabling orderly shutdown or bridging of transient disturbancesB& R Industrial Automation. Compact, robust, and DIN‑rail mountable, it is a cost‑effective alternative to DC UPS for many industrial applicationsB& R Industrial Automation.

Basic Information

  • Model: 0PB020.1

  • Brand: B&R (Bernecker + Rainer, ABB Group)

  • Product Type: Imported industrial power buffer module

  • Rated Voltage: 24 VDC

  • Output Current: 0 to 20 A

  • Buffer Time: 0.2 s at 20 A; 3.6 s at 1 AB& R Industrial Automation

  • Mounting: 35 mm standard DIN rail (EN 60715)B& R Industrial Automation

  • Housing: Metal casing, IP20 protection

  • Dimensions: 64 mm (W) × 124 mm (H) × 102 mm (D, incl. rail)B& R Industrial Automation

  • Weight: Approx. 0.74 kgB& R Industrial Automation

  • Operating Temperature: -25°C to +70°C

  • Storage Temperature: -25°C to +85°CB& R Industrial Automation

  • Humidity: 5%–95%, non‑condensingB& R Industrial Automation

  • Certifications: CE compliant

  • Origin: Imported (Austria)

  • Connection: Screw terminals, 0.5–6 mm² wire cross‑sectionB& R Industrial Automation

Function and Positioning

The 0PB020.1 functions as a short‑term energy reserve for 24 VDC control systems. It charges during normal operation and releases energy automatically during voltage dips or brief power failures, ensuring uninterrupted power to PLCs, I/O modules, and critical loads. It supports safe, controlled shutdown by providing time to save process data and avoid corruption. With an integrated status LED and relay outputs for “buffer ready” and “buffer active” signals, it enables easy system monitoring and diagnosticsB& R Industrial Automation. Positioned as a maintenance‑free, high‑MTBF solution, it complements standard power supplies and reduces reliance on more expensive DC UPS units.

Core Performance Parameters

  • Energy Storage: Capacitor‑based, no batteries required

  • Buffer Voltage: 24 VDC (regulated output)

  • Overload Capacity: Supports short‑term peak loads up to 20 A

  • Parallel Operation: Multiple units can be paralleled for longer buffer times or higher current

  • Status Indication: Green LED for charging/charged statusB& R Industrial Automation

  • Signal Outputs: 2 relay outputs (buffer operation, ready for operation)B& R Industrial Automation

  • Isolation: Basic input‑output isolation (1 kV test)

  • MTBF: >500,000 hours

  • Cooling: Natural convection (fanless)B& R Industrial Automation

  • Retrofitting: Easy parallel installation with existing 24 VDC supplies

General Compatible Accessories

  • B&R 24 VDC power supply modules (e.g., 0AC913.93)

  • B&R X20/2005 series PLCs, I/O modules, and bus bases

  • Standard 35 mm DIN rails and mounting hardware

  • B&R retaining clips (0AC001.9) for module fixation

  • Industrial 24 VDC distribution terminal blocks

  • System control and signal cables

  • B&R Automation Studio for system diagnostics

  • Surge protectors and EMC filters for 24 VDC circuits

Applicable Equipment Fields

  • Industrial Control Cabinets: Buffer protection for B&R and third‑party 24 VDC control systems

  • Machine Building: Packaging, textile, printing, and general machinery controls

  • Process Automation: Food and beverage, pharmaceutical, water treatment plants

  • Automotive: Assembly lines, robotic cells, and production equipment

  • Motion Control: ACOPOS servo systems and motion control cabinets

  • Energy: Wind turbines, solar inverters, and power plant auxiliary controls

  • System Integration: Panel building and retrofitting unstable power environments

  • Industrial Retrofit: Upgrading legacy systems with modern, maintenance‑free power buffering


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