Description
1. Full Supply Chain For Otis, Kone, Schindler, Mitsubishi, Thyssenkrupp Elevator Lift and Escalator All Brand Spare Parts
2. 100% Original New with a one-year free Guarantee.
3. Fast Delivery
4. Huge Customer From European
| Product Name: | Xizi Otis Elevator buttons BR34C BR34CB XHB-R34D-A01 R34C-A02 |
| Model Number: | BR34C BR34CB XHB-R34D-A01 R34C-A02 |
| Brand: | Elevator button |
| Feature: | 100% Original New |
| Guarantee: | One-Year Free Guarantee |
| Delivery Time: | 3-5working days once get the payment |
Elevator Button BR34C – The 34 mm Square, Million-Cycle Switch That Keeps Every Floor at Your Fingertip
Courtesy of Nanjing Zhuye Elevator Parts Co., Ltd.
Courtesy of Nanjing Zhuye Elevator Parts Co., Ltd.
Passengers decide whether an elevator is “modern” or “broken” long before the doors move—they decide the moment a button lights under their finger. The BR34C series is the 34 mm vandal-resistant illuminated switch that Otis, Schindler, KONE, Thyssen and 30+ Chinese OEMs use for both car and hall stations. Nanjing Zhuye Elevator Parts keeps 18,000 pcs in stock for same-day despatch. Below we decode the part number, show a two-minute field replacement, and give a replacement cycle that turns expensive “no response” callbacks into planned five-minute PM jobs.
1. Decoding BR34C – What the Letters and Digits Mean
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BR = vandal-resistant button family
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34 = 34 mm square lattice (also fits 37 × 37 mm European cut-out)
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C = flush cap with 2.5 mm anti-g graffiti bezel
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Last three digits = lens colour, LED voltage and switch type
Example: BR34C-311 = white pictogram “1” on opaque black lens, 12 VDC warm-white LED, gold-plated micro-switch 1 A 250 VAC, 3 million cycles
Other common codes:
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312 = “2”
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314 = “G”
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318 = “Door Open”
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324 = red LED 24 VDC alarm button
2. Where BR34C Is Used
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Car operating panels (COP) for floor numbers, door control, alarm
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Landing operation panels (LOP) up / down call buttons
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Service cabinet for inspection “UP/DOWN” jog
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Any controller that supplies 12–24 VDC for LED and accepts a dry-contact N.O. signal
3. Daily Use – What Passengers Feel
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Tactile force 4.0 N ± 0.5 N—crisp feedback for gloved or elderly users
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1.3 mm pre-travel, 0.9 mm over-travel—no finger fatigue
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LED 250 cd m⁻² visible at 6,000 lux lobby lighting, dimmable to 25 % for night energy codes
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Audible click 48 dB—heard by the hard-of-hearing, quiet enough for five-star hotels
4. Installation – 120-Second Swap
Safety: place lift on INSPECTION, lock main breaker, tag out.
Step 1 – Pop old button with plastic spudger; disconnect 2-pin JST (LED) and 3-pin micro-switch.
Step 2 – Inspect socket latch; if cracked, replace 37 × 37 carrier (Nanjing Zhuye part HZ-37-ABS).
Step 3 – Snap BR34C into square hole until two clicks—diagonal pull test >25 N.
Step 4 – Plug LED: red wire to “+”, reverse will not damage but LED stays dark.
Step 5 – Plug switch: use C (common) and NO (normally open) for momentary call; short C to NC if you need a maintained “door-close” signal.
Step 6 – Power up, release inspection, press five times—controller must log correct call and LED stays solid 3 s after release.
Step 2 – Inspect socket latch; if cracked, replace 37 × 37 carrier (Nanjing Zhuye part HZ-37-ABS).
Step 3 – Snap BR34C into square hole until two clicks—diagonal pull test >25 N.
Step 4 – Plug LED: red wire to “+”, reverse will not damage but LED stays dark.
Step 5 – Plug switch: use C (common) and NO (normally open) for momentary call; short C to NC if you need a maintained “door-close” signal.
Step 6 – Power up, release inspection, press five times—controller must log correct call and LED stays solid 3 s after release.
No laptop, no parameter, no download—true plug-and-play.
5. Replacement Cycle & Preventive Maintenance
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High-traffic office (>1,500 calls day⁻¹) – inspect quarterly, replace every 30 months
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Residential tower (400–800 calls day⁻¹) – inspect every 6 months, replace every 5 years
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Low-use freight or villa lift (≤200 calls day⁻¹) – inspect annually, replace every 7 years
Replace immediately if:
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LED lumen maintenance <70 % (symbol looks grey)
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Tactile force <2 N (no “click”)
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Contact resistance >100 mΩ at 1 A (controller logs “false call”)
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Cap cracked or pictogram worn >50 % dot area (vandal image risk)
6. Extending Life – 3 Pro Tips
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Keep supply 12 VDC ±5 %; 16 V spikes halve LED life
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Clean with 70 % isopropyl, not ammonia glass spray—prevents lens crazing
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In coastal cities add optional silicone boot (IP65) to stop salt fog creeping into micro-switch
7. Why Buy BR34C from Nanjing Zhuye Elevator Parts?
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OEM-exact 34.0 mm ±0.05 mm lattice, no re-cutting stainless faceplates
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Gold contacts 3 million cycles—interim lab report provided
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Dual stock: 18,000 pcs Nanjing, 6,000 pcs Dubai—2-day DHL to 62 countries
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Bundle kit: button + 30 cm flying lead + socket, 6 % cheaper than single OEM piece
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Warranty: 24 months replacement, no factory RMA wait
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Tech support: 7×24 WhatsApp/WeChat, average reply 10 minutes
Conclusion
The BR34C push button is only 34 mm wide, yet it carries the entire brand image of your elevator. A dead LED or mushy switch tells passengers “this lift is old” long before any door motor fault. Stock a handful of Nanjing Zhuye OEM-grade buttons on every service truck, swap them on schedule, and keep callbacks, complaints and one-star reviews off your dashboard—one quiet, illuminated click at a time.
