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PRODUCT DESCRIPTION
Zero speed relay module
Bently Nevada 84147-01 is a zero-speed signal relay module. The assembly is a signal input relay spare for the zero-speed version of the 3300/50 tachometer. It belongs to the configured measuring and annunciation system, rather than operating as an independent speed sensor. Its relay implementation must match the installed monitor.
The manufacturer spares table identifies this number as the hermetically sealed version for tachometer function option zero two. Other tachometer functions use different relay assemblies. Confirm the complete monitor order, modification marking and required contact arrangement before selecting this spare.
The manufacturer spares table identifies this number as the hermetically sealed version for tachometer function option zero two. Other tachometer functions use different relay assemblies. Confirm the complete monitor order, modification marking and required contact arrangement before selecting this spare.
BEFORE YOU BUY
Confirm the complete installed configuration
ACTUAL APPLICATIONS
Where 84147-01 Fits Across Industrial Application Areas
Industrial uses span production and utility equipment, subject to verified product compatibility, installation requirements and operating conditions.
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01 · METALS & MINING
Steel Production and Metallurgical Plant Utility Equipment
Rolling mills and extraction fans in steel production plants.Coke oven compressors and combustion blowers serving steel plants. -
02 · PULP & PAPER
Pulp Manufacturing and Paper Production
Pulp refiners and process pumps in integrated pulp mills.Paper machine press rolls and winders in papermaking facilities. -
03 · WATER & WASTEWATER
Municipal Wastewater Collection and Treatment
Sewage lift pumps serving municipal wastewater collection and treatment.Aeration blowers and sludge equipment in wastewater treatment plants.
Technical specifications for 84147-01
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Product Model84147-01
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Product ParametersZero speed relay module
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In stock10 units
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ManufacturerBently Nevada
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Documented component roleSignal input relay module
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Matching tachometer function3300/50 zero-speed type, first order option 02
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Relay sealingHermetically sealed
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Specified AC contact rating5 A at 120 Vac, 50/60 Hz
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Specified DC contact rating5 A at 28 Vdc
View all additional
Alternative Names
84147 01
84147-01 zero-speed signal relay module
Bently Nevada 84147-01
SYSTEM & REPLACEMENT CHECK
Information needed before ordering
Three direct checks to secure your system integration and minimize ordering risks.
Information
System integration
Replacement check
Manuals & support
ZERO SPEED RELAY MODULE
Integrating 84147-01
The assembly is a signal input relay spare for the zero-speed version of the 3300/50 tachometer. It belongs to the configured measuring and annunciation system, rather than operating as an independent speed sensor. Its relay implementation must match the installed monitor.
The exact spares table maps this assembly to the zero-speed tachometer, not indiscriminately to all 3300/50 versions. The zero-speed function requires two supported transducer inputs and manual threshold operation; the manufacturer excludes magnetic pickups for that function.
Follow the complete monitor identification and modification marking, then set the programmable options identified in the maintenance manual. Check field wiring and the user-supplied zero-speed enable contacts. A replaced relay assembly does not establish that the monitor has been configured or commissioned correctly.
Features:
- Match complete order, installed input and output configuration, wiring and installation instructions
- Follow the applicable installation instructions
- Confirm unverified configuration details
The 84147-01 zero-speed signal relay module requires appropriate configuration before system integration and commissioning.
INTERCHANGEABILITY
Verify the complete replacement identity before commissioning
Replacement of 84147-01 requires comparing complete order, installed input and output configuration, wiring and installation instructions. A shared base family or similar appearance does not establish a drop-in replacement for the complete ordered assembly.
The exact spares table maps this assembly to the zero-speed tachometer, not indiscriminately to all 3300/50 versions. The zero-speed function requires two supported transducer inputs and manual threshold operation; the manufacturer excludes magnetic pickups for that function.
No verified exact-order discontinuation date, product revision or designated successor is asserted. Document revisions identify the reference literature, not hardware changes to the supplied product. Unconfirmed replacement options must be resolved before substitution.
Features:
- Preserve the complete ordering identity
- Compare the installed electrical and mechanical interfaces
- Do not infer hardware revisions or successor models
The 84147-01 zero-speed signal relay module requires replacement verification against the complete installed configuration and current manufacturer documentation.
DOCUMENTATION STATUS
Browse the Manuals, Datasheets, Official Documents, Links
Important Notice: No verified product PDF is currently available on this page. Amikong-hosted reference documents will be listed only after their product identity and scope have been checked. Consult the applicable manufacturer instructions before use; additional documents are included only when expressly listed in the quotation.Features:
- Verify document identity before procurement or installation
- Match the complete order to the manufacturer document scope
- Accessories are supplied only when listed in the quotation
Documentation for the 84147-01 zero-speed signal relay module must be checked for document applicability before installation or commissioning.
Also searched as
Important notice
Manuals, software, firmware, cables, calibration data and accessories are included only when listed in the quotation. AMIKON is an independent supplier and is not affiliated with or authorised by the manufacturer.
This content has been produced using multiple sources. Takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
BUYER INFORMATION
Commercial terms without hidden steps
Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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Shipping & delivery
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DispatchEligible stock: same / next day
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CarriersDHL, FedEx or UPS
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Ship fromXiamen, China
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Packed size5x10x22.8cm
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Shipping weight0.4 kg
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Payment & customs
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PaymentBank transfer (T/T)
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CurrenciesUSD · EUR · GBP · RMB
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Credit cardsNot accepted
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HS referenceClassification unconfirmed
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OriginUSA
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Warranty & returns
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Warranty12 months from AMIKON
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InspectionLabel, condition and packing checks
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ReturnsPrior RMA authorisation required
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CompatibilityConfirm before order
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OEM warrantyDoes not apply
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Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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Part checked
Full suffix recorded -
Condition checked
Label and appearance -
Packing checked
Antistatic protection -
Tracking supplied
Established couriers -
Sandy Lin
Dedicated account manager · 15+ years
FREQUENTLY ASKED QUESTIONS
Questions buyers ask about 84147-01
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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How is 84147-01 identified?
The manufacturer spares table identifies this number as the hermetically sealed version for tachometer function option zero two. Other tachometer functions use different relay assemblies. Confirm the complete monitor order, modification marking and required contact arrangement before selecting this spare. -
What is the function of this component?
The assembly is a signal input relay spare for the zero-speed version of the 3300/50 tachometer. It belongs to the configured measuring and annunciation system, rather than operating as an independent speed sensor. Its relay implementation must match the installed monitor. -
Which equipment and settings must match?
The exact spares table maps this assembly to the zero-speed tachometer, not indiscriminately to all 3300/50 versions. The zero-speed function requires two supported transducer inputs and manual threshold operation; the manufacturer excludes magnetic pickups for that function. -
What application does it support?
The matching tachometer uses a zero-speed setpoint and external enable contacts. This signal-input relay assembly is the documented spare for that tachometer type; the complete input and enable conditions must remain satisfied. -
What should be checked during installation?
Follow the complete monitor identification and modification marking, then set the programmable options identified in the maintenance manual. Check field wiring and the user-supplied zero-speed enable contacts. A replaced relay assembly does not establish that the monitor has been configured or commissioned correctly. -
Can this relay turn the tachometer into an overspeed trip system?
No. The operation manual explicitly excludes the tachometer from speed-control and overspeed-protection service. Its speed Alert outputs are for annunciation; a rated relay contact does not provide the missing protective redundancy or response capability. -
Can an epoxy-sealed spare be represented as the same hermetic version?
No. The manufacturer assigns 84141-01 to the epoxy-sealed version and 84147-01 to the hermetically sealed version. They must not be represented as the same sealing construction.
READY TO VERIFY YOUR PART?
Get a 84147-01 quote with price, lead time and revision check.
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