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The Steca PR 2020 is suitable for photovoltaic (PV) systems, for charging 12 V or 24 V batteries, for hobby and leisure use, for residential, commercial, and industrial applications, and for small businesses. Unlike the PRS series from Steca, the PR series has an LCD display that makes the controller easy to operate. In addition, all current operating parameters can be read on the display

The controller is generally only suitable for the following rechargeable 12 V or 24 V battery types and consumers:

  • Lead-acid batteries with liquid electrolytes
  • Sealed lead-acid batteries; AGM, GEL
  • 12V and 24V consumers that can be connected directly to the controller (right-hand connection pair)

Electronic functions

  • Protection against reverse polarity of connected solar modules
  • Protection against reverse polarity connected consumers at the load output
  • Protection against reverse polarity connected batteries
  • Battery charging and discharging are prevented
  • Short-circuit protection at the module input
  • Short-circuit protection at the load output
  • Protection against excessive charging current
  • No-load test during operation without battery or load
  • Reverse current protection
  • overvoltage and undervoltage protection
  • over-temperature protection
  • Deep discharge protection / overcharge protection
  • Complies with European CE standards
Bedienungsanleitung_PR2020.pdf Download
Ambient temperature: -10°C - +50°C
Category name: Solar charge controller
Charge controller type: PWM
Charging current (A): 20A
Charging voltage: liquid 13.9V (27.8 V); gel 14.1V (28.2 V)
Charging voltage in the boat: 14,4V (28,8V)
Connection terminal: 16mm² / 25mm² - AWG 6 / 4 (fine- / single wired)
Deep discharge protection: < 30 %/11,1V (22,2V)
Equalisation charge: 14,7V (29,4V)
Idle clamping modules: < 47 V
Manufacturer: Steca
Own consumption under load: 12,5 mA
Product Type: Charge controller
Protection type: IP32
Reclosing voltage: > 50% / 12,6V (25,2V)
Scope of application: indoor area
Weight: ca. 350 g
max. load current: 20A

Manufactuerer Information

Steca

Steca Elektronik GmbH
Mammostraße 1
87700 Memmingen
Germany

Mail: info@steca.com

Tel.: +49 833185580

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