Industrial Battery Chargers
Rugged chargers providing reliable backup power for oil rigs, refineries, and remote sites.
Inverters
DC-to-AC inverters ensuring uninterrupted AC power for oilfield communications and lighting.
DC UPS Systems
Uninterruptible DC systems protecting SCADA, shutdown controls, and safety networks.
Custom Engineered Systems
Tailored solutions built for harsh, hazardous, and offshore oil & gas environments.
LA MARCHE MFG. CO.
See us at ADIPEC 2025 · Booth: 7512
At La Marche Mfg. Co., we are dedicated to delivering cutting-edge AC & DC Power Conversion Solutions tailored to our customers' unique needs that ensure uninterrupted power across industries worldwide, with a proven legacy of reliability.
Des Plaines, Illinois (IL), United States
Oil · Gas · Energy, Maritime, Mining
Products & Services
A77 Battery Charger
La Marche Mfg. Co.
The A77 Charger integrates Microprocessor Controlled SCR (Silicon Controlled Rectifier) technology, revolutionizing battery charging with its precision and efficiency. Through its intelligent control system, the A77 battery charger meticulously monitors battery charger parameters in real-time, allowing for tailored charging profiles that optimize efficiency while safeguarding battery health. Input current harmonic distortion is typically greater than 20% depending on the rectifier configuration; La Marche 12 pulse rectifiers are lower in harmonic distortion than 6 pulse rectifiers. It is also possible to see some EMI activity in these designs due to the SCR switching each power line cycle. This advanced technology not only ensures efficient charging but also extends battery lifespan by preventing overcharging and undercharging. Compliant with NERC PRC-005-6 standards, the A77 Charger offers unparalleled performance and peace of mind.
A12B Battery Charger
La Marche Mfg. Co.
The A12B battery charger incorporates Magnetic Amplifier Technology to deliver unparalleled performance in industrial charging applications. Leveraging the magnetic core saturation properties, the A12B ensures precise regulation of current flow, optimizing charging cycles for diverse battery types. Its solid-state construction guarantees high reliability, minimizing downtime and maintenance costs. The transformer regulator is very tolerant to AC input spikes and surges; hence the reliability of the design is excellent. Moreover, its resistance to electrical noise and robust performance in challenging environments make it a trusted choice for industries requiring dependable battery charging solutions.
IUPS UPS System
La Marche Mfg. Co.
The IUPS (Industrial Uninterruptible Power Supply) by La Marche is a transformer-based double-conversion system designed for critical applications requiring continuous, stable power. Using Pulse Width Modulation (SPWM) and IGBT technology, the IUPS ensures clean, reliable AC power with low harmonic distortion, protecting sensitive equipment from power disturbances. Its 12-pulse rectifier design offers excellent input power factor correction and minimal total harmonic distortion (THD), while the built-in static bypass switch ensures seamless transfer to an alternate power source during disruptions. The IUPS is ideal for applications such as data centers, telecommunications, and utility substations, with extensive customization options for kVA ratings, voltages, and enclosures.
TPSD2 Battery Charger
La Marche Mfg. Co.
The La Marche TPSD2 Battery Charger stands out for its incorporation of Controlled Ferroresonant Technology, which serves as both a Power Supply and Battery Eliminator. This innovative technology employs ferroresonant transformers to stabilize the output voltage during the charging process. These transformers possess a unique saturation characteristic that enables them to maintain a constant output voltage even when facing fluctuations in input voltage. The TPSD2 Battery Charger offers the significant benefit of providing a stable and reliable charging voltage, a crucial factor for extending battery life and ensuring consistent performance. These features make the TPSD2 ideal for utility applications where uninterrupted and reliable power is essential for critical operations.
LMP Rectifier
La Marche Mfg. Co.
The La Marche LmPower Series is a compact -48V DC power system featuring high-performance rectifiers. Designed for standard 19” and 23” racks, it utilizes hot-swappable LmPower R50 1RU 3000W (50A) rectifiers operating at 96% efficiency, ensuring significant energy savings. The system includes a robust controller with an embedded I/O interface, digital inputs, dry contact alarm outputs, and temperature sensor input ports for seamless integration and comprehensive monitoring. The LmPower Series is ideal for telecom operators seeking reliable, efficient, and advanced power solutions.
A98S Rectifier
La Marche Mfg. Co.
The La Marche A98S leverages High Frequency Switchmode Technology, a cutting-edge approach to DC charging in the Utility market. This technology involves rapidly switching power devices at high frequencies to convert AC power into DC power efficiently. Unlike traditional linear chargers, which dissipate excess energy as heat, switch-mode chargers minimize energy loss, resulting in higher efficiency and reduced electricity costs. By efficiently converting power and minimizing energy wastage, the A98S small footprint field replaceable hot-swappable features simple installation. This advanced technology ensures optimal power utilization, making the A98S an ideal choice for utility applications where efficiency and reliability are paramount.
i31 Inverter
La Marche Mfg. Co.
The I31 Series Industrial Inverter by La Marche is designed to convert DC power into stable, high-quality AC power for critical applications such as telecommunications, utility substations, emergency lighting, and offshore oil exploration. Utilizing sinusoidal pulse width modulation (SPWM) with fully digital DSP+ IGBT technology, the I31 ensures pure sine wave output with high efficiency. The inverter features a user-friendly 7” touchscreen for monitoring power flow, voltages, currents, and alarms, and offers a static transfer switch for rapid transfer between power sources. Its robust design, complete with redundant fans and multiple communication protocols, ensures high reliability in demanding environments.
i77 Battery Charger
La Marche Mfg. Co.
The La Marche I77 Series Battery Charger is designed for demanding applications such as switchgear, process control, oil exploration, and other stationary DC power systems. Built with advanced Microprocessor Controlled Technology, the I77 provides exceptional accuracy with ±0.25% DC voltage regulation from no load to full load. Its rugged design, intelligent equalization modes, and comprehensive protection features ensure dependable long-term performance. The I77 is fully compliant with 17-SAMSS 514, IEEE-2405, and NEMA PE5, and is listed to UL 1012, making it a trusted choice for critical industries that require safety, reliability, and standards adherence.
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About
At La Marche Mfg. Co., we are committed to delivering cutting-edge AC & DC Power Conversion Solutions designed to meet the unique needs of our customers. Since 1945, we have built a reputation for innovation, quality, and reliability—becoming a trusted partner across various industries that demand uninterrupted power and reliable performance.
La Marche Product Portfolio:
- Battery Chargers & Rectifiers: Safely regulate the charging process for various battery types, preventing damage, optimizing performance, and extending service life.
- UPS Systems (Uninterruptible Power Supply): Provide immediate backup power during outages, ensuring protection of mission-critical equipment.
- Inverters: Convert DC power from batteries or renewable sources into clean, usable AC power.
- Converters: Efficiently transform electrical power across voltages to support diverse applications.
- Telecom Rack Systems: Modular 19/23" Relay racks and enclosures designed to organize and house telecom power equipment in data centers, optimizing space and accessibility.
- Battery Testers: Standalone diagnostic tools to evaluate battery health, performance, and condition, ensuring reliable operation and longevity.
- Battery Selectors: Manage multiple batteries within the system, optimizing usage and extending battery life while providing redundancy.
In addition to our standard product offerings, La Marche offers custom engineering and manufacturing services to create tailored solutions that meet the specific needs of our customers. Our engineering expertise ensures that each product is built to deliver maximum performance, durability, and safety.
Applications:
Utility, Oil and Gas, Defense and Military, Telecommunications, Engine Start, Transportation, Industrial and Manufacturing, Healthcare, Data Centers, Renewable Energy, Commercial and Residential Backup Power.
Woman Owned Small Business (WOSB) and an ISO 9001:2015 Certified Manufacturer.
Compliant with: UL, CUL, CE, NEBS, RoHS, CSA, IEC, FCC, IEEE, NFPA, ATEX, TUV, MIL-STD.
La Marche Product Portfolio:
- Battery Chargers & Rectifiers: Safely regulate the charging process for various battery types, preventing damage, optimizing performance, and extending service life.
- UPS Systems (Uninterruptible Power Supply): Provide immediate backup power during outages, ensuring protection of mission-critical equipment.
- Inverters: Convert DC power from batteries or renewable sources into clean, usable AC power.
- Converters: Efficiently transform electrical power across voltages to support diverse applications.
- Telecom Rack Systems: Modular 19/23" Relay racks and enclosures designed to organize and house telecom power equipment in data centers, optimizing space and accessibility.
- Battery Testers: Standalone diagnostic tools to evaluate battery health, performance, and condition, ensuring reliable operation and longevity.
- Battery Selectors: Manage multiple batteries within the system, optimizing usage and extending battery life while providing redundancy.
In addition to our standard product offerings, La Marche offers custom engineering and manufacturing services to create tailored solutions that meet the specific needs of our customers. Our engineering expertise ensures that each product is built to deliver maximum performance, durability, and safety.
Applications:
Utility, Oil and Gas, Defense and Military, Telecommunications, Engine Start, Transportation, Industrial and Manufacturing, Healthcare, Data Centers, Renewable Energy, Commercial and Residential Backup Power.
Woman Owned Small Business (WOSB) and an ISO 9001:2015 Certified Manufacturer.
Compliant with: UL, CUL, CE, NEBS, RoHS, CSA, IEC, FCC, IEEE, NFPA, ATEX, TUV, MIL-STD.
