GreenTech SCD Series Power Supply User Manual

SCD integrated power supply is an integrated power supply, charging, discharging, with automatic equalization/floating (lead-acid battery) or automatic constant current/constant voltage (lithium battery) charging mode, can provide power supply for load, and automatically enter the discharge state of load after AC power failure, and conduct overcurrent/undervoltage protection.


GreenTech SCD Series Power Supply User Manual - cover page
Brand
SCD
Category
AC-DC Power
Document type
User Manual
Language
Chinese
Pages
2
File format
PDF
File size
68 KB
Published
31 January, 2012
Updated
30 September, 2023
MD5 checksum
F7F51A92A3F0AA97A33ACD121BB92D85

About this manual

The GreenTech SCD series combines AC power supply, battery charging and discharge in a single unit. It automatically switches between AC input and battery output, provides status indicators for power source, battery voltage, and charging state, and includes protection features for over‑current, short‑circuit, and undervoltage conditions.

The document describes physical dimensions, terminal connections, general electrical specifications, and detailed model‑specific parameters for the SCD40 and SCD80 series, including input voltage ranges, charging methods for lead‑acid and lithium batteries, efficiency, and operating temperature limits. This manual is written in Chinese.

What's inside

  • Overview
  • Physical Dimensions
  • Terminal Connections
  • General Specifications
  • Electrical Parameters
  • Model Specifications

Specifications

Input voltage range90 V–264 VAC 47–63 Hz / 126–370 VDC
Input surge capability30 A B@10 VAC, 60 A B20 VC
Output over‑current/short‑circuit protectionEnabled
Battery over‑current/undervoltage protectionEnabled
Typical efficiency≈85 % at 220 VAC input, no battery, full load
Operating temperature range-25 °C to 50 °C
SCD40 dimensions129 mm × 98 mm × 38 mm
SCD40 weight0.33 kg
SCD80 weight0.40 kg

Frequently asked questions

What input voltage range does the SCD power supply accept?

It accepts 90 V–264 VAC at 47–63 Hz or 126–370 VDC.

Does the unit provide over‑current and short‑circuit protection?

Yes, the manual states it has output over‑current/short‑circuit protection.

Can the battery be forced to connect or disconnect when there is no AC power?

When AC power is absent, the battery can be manually forced to connect or disconnect (optional feature).

What is the typical efficiency and operating temperature range?

Typical efficiency is about 85 % at 220 VAC input, and it operates from –25 °C to 50 °C.

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