3-phase + neutral voltage monitoring relay, 400VAC, DIP-adjustable thresholds, 2 relay outputs, Made in Spain
Browse more: Spare Parts & Components · FANOX parts
Spare Parts & Components like this one are typically used in the following applications:
If your machine uses an older or different FANOX part number, we can confirm compatibility for you directly — we don’t have a pre-built cross-reference table for this exact model yet.
Yes. Fouwell sources every FANOX part through official brand channels or verified authorized distributors, and every unit is 100% inspected before shipping. For the U3N-400 specifically, we can provide original packaging, labeling and, where available, a factory test report on request.
Yes, this is an in-stock item — in-stock parts ship within 24 hours via DHL, FedEx or UPS, with air freight typically arriving in 3–5 working days to most Asian, Middle Eastern and European destinations; sea freight is available for larger orders.
No fixed MOQ for standard parts — we regularly ship single units for maintenance and spare-part orders as well as bulk quantities for production lines. Larger quantities qualify for better per-unit pricing; send your required quantity for a quote.
Yes. Every Fouwell-supplied part is backed by a 12-month replacement warranty against manufacturing defects. Warranty does not cover damage from improper installation, incorrect wiring or voltage, or use outside the manufacturer’s official specifications.
Yes. Send your exact part number (old or new) to info@fouwell.com and our engineers will confirm the current equivalent, availability and pricing — usually within one business day, often within the hour during Asia/Shanghai office hours.
We ship worldwide via DHL, FedEx, UPS (air) or sea freight for larger orders, with full insurance and original manufacturer packaging. We also maintain an HK warehouse for faster regional consolidation on some orders.
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We source from 25+ brand channels — including discontinued and hard-to-find components.
