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- Email: ab@mooreplc.com
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Based on over 5000 reviews
Description:The Honeywell TK-PRR021 51309288-475 is a three-channel relay-output safety-isolator module that sits between the DCS and hazardous-area field devices.
Product condition: New
Packing condition:Factory Packing
100% insured shipping: A guarantee for your purchases
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| Manufacturer | HONEYWELL |
| Item number | TK-PRR021 51309288-475 |
| Country of Origin | United States |
| Lead Time | In stock |
| After-Sales Support | 12-months |
| HS Code / Commodity code | 8537101190 |
Quotes are valid for 30 days from the day the quote is received unless stated otherwise at the time of quotation.
Yes,we offer one year warranty for all new products.
Yes. We worked with FEDEX/DHL/TNT/UPS/ allowing us to provide swift global delivery of parts to any corner of the world.
Normally 3-5 working days,some remote areas 5-7 days more.
The Honeywell TK-PRR021 51309288-475 is a three-channel relay-output safety-isolator module that sits between the DCS and hazardous-area field devices. Certified to IECEx/ATEX and engineered for Experion® PKS & TPS, it delivers galvanic isolation, intrinsic safety and online diagnostics in a DIN-rail, hot-swappable package—perfect for ESD, fire-&-gas and sequential control applications where a single spark is one too many.
|
Parameter |
Value |
|
Part Number |
TK-PRR021 51309288-475 |
|
Function |
3-ch relay output safety isolator |
|
Supply |
24 VDC (20…30 VDC) |
|
Consumption |
≈ 5 W |
|
Output |
3 × SPDT, 2 A 250 VAC / 30 VDC (resistive) |
|
Isolation |
3.7 kV AC input-to-output, ch-to-ch |
|
Certifications |
IECEx, ATEX, UL, CSA – Zone 1 / Cl I Div 2 |
|
Temp Range |
20 °C…+60 °C (op) / 40 °C…+80 °C (store) |
|
Mounting |
DIN-rail, 22.5 mm wide |
|
Weight |
≈ 0.4 kg |
|
Diagnostics |
Coil-open, contact-sticky feedback |
|
Feature |
TK-PRR021 |
Typical zener barrier + relay |
|
Channels per unit |
3 isolated SPDT |
1 non-isolated |
|
Built-in relays |
Yes – plug-in |
External required |
|
Diagnostic reporting |
Back-plane & LED |
None |
|
Hot-swap |
Supported |
No |
|
Certifications |
IECEx/ATEX/UL |
ATEX only (often) |
DCS DO → TK-PRR021 input → 3.7 kV isolation → SPDT relay → hazardous-area solenoid / alarm / motor starter.
One module replaces three external relays + three barriers, shaving 30 % panel space and 25 % wiring hours.
✔ In-stock today – ships within 24 h
✔ 12-month replacement warranty
✔ Factory-sealed or certified-refurb units
✔ Free remote loop-check assistance
Contact May – Sales Manager
E-mail: ab@mooreplc.com
Phone / WhatsApp: +86-18106909650
WeChat ID: dcsfcs
Need a quote or SIL-loop calculation? Message May and receive a formal quotation in under 30 minutes.
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