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A77 SCR Charger

Battery Backup & Surge Protector for Electronics and Computers

The La Marche Model A77 Series Battery Charger

The La Marche Model A77 Series Battery Charger is engineered to meet the demanding requirements of switchgear, process control, oil exploration, and other DC power applications.

Powered by Microprocessor-Controlled SCR technology, the A77 Series Battery Charger / Battery Eliminator ensures ±0.25% DC voltage regulation from no load to full load, even across specified input voltage, frequency, and ambient temperature ranges.

Key Features:

  • DC Output Voltages: 12, 24, 48, 130*, and 260* VDC
  • DC Output Currents: Starting from 6 amps and above

The A77 Series is designed for reliability and precision in critical power systems.

Telecom Lithium Ion Battery

Lithium-Ion Pack for Telecom

The La Marche LiFePO4 Battery Pack series is a powerful addition to your new or existing UPS, Telecom, Backup power, Energy Storage and Solar site application. Compared to other battery alternatives, this 48V Lithium Iron Phosphate battery is the perfect combination of size, long life, environmental adaptability and capacity.

LiFePO4 batteries can be discharged up to 100% without risk of damage and the life time at Standby Mode can be greater than 10 Years.

A31 Ferro Inverter

Ferroresonant Technology

The LaMarche A31 Inverter is the ideal choice when AC power requirements are critical. Its ferroresonant transformer-based design and transistor switching provide an extremely reliable and high quality sine wave output (<5% THD). Applications may include the following systems: Computer, telecommunications, emergency lighting, offshore oil exploration, utility substation, security alarm, etc. The A31 has a wide range of standard features such as a sine wave output, voltage regulation, protection from AC-DC shorts, under/over-voltage conditions, input filtering and overload protection. It incorporates a DC input breaker and an automatic under/over-voltage shutdown circuit to protect the inverter. The A31 has a polarity indicator to tell you if the battery is connected incorrectly. The unit is equipped with an input filter precharge circuit, which includes an indicator to inform you that the inverter is ready for operation.

• Highly Reliable Ferroresonant Transformer 
• Available DC Inputs 24V or 48V or 120V
• DC to AC Isolation 
• Pure Sine Wave Output 
• Adjustable DC Under/Over Voltage Shutdown 
• Analog AC Ammeter & Voltmeter (2%)
• Overload/Current Limit
• Inverter On/Off Switch
• AC Circuit Breaker
• DC Circuit Breaker 
• IGBT Power Block Technology UL 1012 Listed, UL 1481 Listed (selected models) and C-UL Listed