1. What the part actually is
Factory kit number 4000212-002 = “Trident Extension Bus Assembly Kit” – not a bare cable, not a stand-alone electronic module.
Deliverable: one 3 m, 37-pin D-sub TMR bus cable + jack-screw set + pull-test certificate in a single OEM bag.
Size / weight of the kit carton: ≈ 20 cm × 13 cm × 5 cm, 0.5 kg – fits through document slot of any courier.
2. Environmental envelope
Operating: –20 °C to +70 °C
Storage: –40 °C to +85 °C
3. Where it lives in the architecture
Plugs straight into the “REMOTE EXPANSION” port of a Tricon or Trident main chassis and the matching port of the first expansion rack.
Extends the triplicated RS-485 back-plane bus without repeaters up to 3 m – the only officially-listed length for SIL-3 separation in the Trident manual.
4. Market form & price reality
Two interchangeable descriptions circulate:
a) “Bus extension assembly kit” – factory bag with cable + hardware → USD 4 200–4 400 (MOQ 1)
b) “Communication cable” – identical cable only, no screws/certificate → USD 120–150 (spare for stock)
Both are brand-new surplus unless otherwise stated; verify kit contents before PO.
5. Supply snapshot
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Stock version
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Ships from
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Warranty
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Typical lead-time
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Full kit (bag + certificate)
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Xiamen
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12 months
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<24 h
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Cable-only
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Xiamen
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12 months
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<24 h
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6. Quick contact
PLC Autocontroller – 20 years moving original spares
E-mail: ab@mooreplc.com
WhatsApp: +86-18106909650
WeChat ID: dcsfcs
Sales: May
What happens next?
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Your quote
You’ll get a fully customized quote to fit your unique needs.
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