XANTREX XFR40-70 Power Inverter, High-Efficiency Industrial Power Conversion Module

XANTREX XFR40-70 Power Inverter: Industrial-Grade DC/AC Conversion That Won’t Quit

Need to keep critical machinery running when grid power gets sketchy? The XFR40-70 handles DC-to-AC conversion for heavy-duty industrial setups – think offshore rigs, backup systems for chemical plants, or solar farms feeding into legacy equipment. It’s the workhorse that keeps compressors humming during voltage dips and prevents control systems from crashing when your main supply stutters.

Technical Specifications

BrandXantrex (now part of Schneider Electric)

Input Voltage Range320VDC – 800VDC

Output Voltage120VAC / 240VAC (selectable)

Rated Output40kVA continuous

Peak Efficiency94.7% (at 75% load)

Operating Temp-40°C to +70°C (derates above 55°C)

Dimensions (W×H×D)795 × 595 × 395 mm

Weight48.5 kg (chassis only)

We see these deployed everywhere from LNG terminals keeping flare stack igniters alive to mining conveyor systems where a 2-second outage means $20k in downtime. One refinery in Texas runs three XFR40-70 units in parallel for their emergency control room – they’ve survived hurricanes and grid collapses since 2018 with zero failures. If you’re working with GE Mark VIe turbine controls, ABB AC800PEC systems, or even older Foxboro I/A series, this inverter slots right into your existing DC bus architecture. Common pairings we handle include GE IS230SRTDH2A comms modules for turbine monitoring and Bently Nevada 3500/44 vibration processors that absolutely hate brownouts.

The real magic’s in how it handles chaos. That aluminum heat sink isn’t just for show – it dumps 15kW of heat without forced air, which matters when your control room hits 50°C during summer. Unlike cheaper inverters, it won’t throttle back when input voltage sags to 330VDC (common with aging battery banks). Personally, I’ve seen these run for 18 months straight on offshore platforms with salt-caked filters – the conformal coating on the PCBs makes a huge difference. Redundancy’s baked in too: dual CAN bus ports let you mirror status to separate PLCs (we often pair it with Triconex 3511 modules for safety-critical loops), and the modular IGBTs mean swapping a failed power stack takes under 20 minutes. Oh, and that “up to 95%” efficiency? Real-world measurements at a paper mill showed 93.8% at 35kVA load – close enough that your energy savings pay for the unit in 14 months.