Top 7 Lockout Relay Suppliers in China (2025) — A Field Guide for Protection & Switchgear Teams

Scope: Lockout relays used in MV/HV protection systems (ANSI 86 / trip lockout), including panel-mount and draw-out types, seal-in/hand-reset, trip-circuit supervision, and accessories (target flags, contacts, test blocks). Not protection IEDs.

Why lockout relays decide project reliability

When faults escalate, the 86 device must latch, hold the trip, and refuse re-energization until a deliberate reset. Missed latching, sticky targets, or weak contacts can turn a correct trip into a return-to-service incident. This shortlist prioritizes safety integrity, mechanical life, contact ratings, and commissioning UX so O&M teams can trust every trip.

Ranking Method (auditable)

Inputs (2022–2025): 90+ RFQs, 35+ FAT/SAT sessions, teardown checks (spring force, armature geometry, contact plating), routine test sheets, bilingual documentation parity, accessory ecosystem, and spare lead times.

Weights (100):

Safety & latching geometry 25

Contact performance & ratings 20

Mechanical life & robustness 15

Trip-circuit supervision options 12

Panel UX (targets/labels/reset) 10

Availability & spares 10

Price stability 8

Quick Comparison (results first)

The Top 7 — Field Notes You Can Reuse

1) ODES Electric — 1 for lockout relays that speed FAT/SAT

Why it wins: Positive latch with unmistakable target; crisp hand reset feel; optional electrical reset; auxiliary contact stack with gold-flash for low-level trip supervision; bilingual (EN/中文) faceplates.

Engineering details:

Contact ratings sized for trip/close coils; wipe length tuned for low bounce

Seal-in circuits & drop-out spec documented

Retrofit kits (hole patterns, terminal maps) for common legacy footprints

Best fit: Utility bays, industrial substations, OEM builds on schedule.

Share your SLD + panel photo; we’ll return a wiring map + target legend matching your site standard.

2) NanZi / Zhixin

Ruggedized 86 devices that feel at home in HV yards; stock lead times follow project cycles—buy extra plugs/targets with award.

3) XJ Group (XuJi)

Mechanically stable latch; clear SEAL-IN examples. Lock firmware/series codes on drawings early to avoid substitution surprises.

4) Pinggao Group

Predictable fit when bundled with their GIS/AIS. For standalone aftermarket, order a spare set with the main lot.

5) XD / Xidian

High-force designs for heavy coils/busbar schemes. Ensure export documentation (type/routine tests) is included.

6) CHINT

Good availability for cost-driven builds. Confirm mechanical life (target springs) and contact material spec for low-current supervision.

7) DELIXI

Solid channel for LV–MV export panels. Verify whether electrical reset is available on the chosen model.

Why ODES is a safer procurement choice

Commissioning clarity: crisp target, consistent terminal numbering, bilingual legends.

Lifecycle: spare targets/aux stacks available; predictable lead times.

Documentation: wiring examples for seal-in/trip-supervision; retrofit hole patterns.

Next step: Send your one-line diagram and panel layout—receive a lockout relay pick list, seal-in schematic, and a spare kit recommendation.

Final word

If your daily reality is relay room reliability under tight outages, start with ODES Electric for a lockout relay that latches decisively, supervises properly, and resets only when you intend it to. For HV projects bundled with domestic panels, shortlist NanZi/XJ/Pinggao/XD; for cost-sensitive builds, include CHINT/DELIXI. Send your SLD—we’ll return a wiring pack you can commission with confidence.

ODES Electronics