3500/33 149986-01 Bently Nevada 16-Channel Relay Output Module
Manufacturer: Bently Nevada
Product No.: 149986-01
Condition： In stock
Product Type: Relay Module
Product Origin: USA
Payment: T/T, Western Union
Weight: 700g
Shipping port: Xiamen
Warranty: 12 months
Estimate delivery times: 12-26 days (International), 3-6 days (United States).
Return within 30 days of purchase. Duties & taxes are non-refundable.
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Module Architecture Overview
The 3500/33 149986-01 Bently Nevada 16-Channel Relay Module is a full-height system card engineered to execute programmable voting logic and trip output execution across industrial machinery protection racks.
Global PLC Spare HUB's Insight: Automation engineers value this high-density card because it allows complex AND/OR alarm drive combinations across multiple monitor slots without requiring extra backplane wiring.
Configuration Breakdown and Suffix Architecture
| Base Rack Family | 3500 Monitoring Framework |
| Card Series | 3500/33 Relay Module Line |
| Part Number Suffix | 149986-01 designates standard hardware configuration and layout |
| Output Capacity | 16 independent Single-pole Double-throw (SPDT) relay outputs |
| Switching Configuration | Four groups of four channels switch-selectable for Normally De-energized (ND) or Normally Energized (NE) operation |
Technical Specifications
| Brand | Bently Nevada |
| Model / Part Number | 3500/33 149986-01 |
| Power Consumption | 5.8 watts typical operating draw |
| Standard DC Load Limits | Max switched current 3 A up to 125 Vdc (resistive load) |
| Standard AC Load Limits | Max switched current 3 A up to 250 Vac / 1200 VA (resistive load) |
| Low Current Contact Limits | 1 mA @ 1 Vdc min to 100 mA @ 48 Vdc max for gold-plated variants |
| Mechanical Durability | 10,000 full operational contact cycles minimum |
Equipment Compatibility and Deployment Scenarios
- Designed exclusively for placement in any slot to the right of the Transient Data Interface (TDI) within a standard 3500 rack structure.
- Deployed in critical steam and gas turbine emergency shutdown (ESD) control loops.
- Integrated into large-scale centrifugal compressor and generator bearing protection architectures.
- Applied in hazardous plant locations requiring certified relay voting logic separation.
Diagnostic Capabilities
- Front panel OK LED confirms proper internal microprocessor and hardware operation.
- TX/RX communication LEDs monitor real-time data exchange across the rack backplane bus.
- Individual channel alarm indicators provide instant visual verification of trip status.
Warranty, Logistics, and Fulfillment
- Backed by a reliable 12-month operational replacement warranty.
- Guaranteed rapid order dispatch within 24 to 48 hours of purchase confirmation.
- Secure global shipping logistics managed through FedEx, UPS, and DHL.
Professional Technical FAQ
Q: How do you configure voting logic for individual channels on the 3500/33 149986-01?
A: Configuration is handled via the 3500 configuration software, where each relay can combine alert/danger statuses, Not-OK conditions, and individual measured variables using customizable AND/OR logic gates.
Q: What is the difference between standard silver contacts and low-current gold-plated options?
A: Standard silver contacts handle heavy resistive loads up to 3A, whereas low-current gold-plated contacts are optimized for micro-signal switching down to 1 mA @ 1 Vdc without contact oxidation failure.
Q: Why do relay operation switches group channels into blocks of four?
A: Grouping channels into blocks of four allows technicians to easily toggle batch operation between Normally Energized (NE) and Normally De-energized (ND) modes based on plant safety philosophies.
Q: What physical indicators show that the relay module has lost backplane communication?
A: A frozen or dark TX/RX LED combined with an unlit or flashing OK LED typically indicates a backplane communication timeout or internal logic fault requiring diagnostics.
Q: What selection criteria should guide my choice between standard and hazardous area relay configurations?
A: Evaluate your local electrical classification and maximum switching voltage requirements; hazardous areas demand strict adherence to low-voltage or failsafe contact load limits.
Tags
Q: Are these parts 100% original and new?
A: Yes. Every component is guaranteed to be 100% original, brand-new, and factory-sealed. We also provide a 12-month comprehensive warranty for your peace of mind.
Q: How fast is the shipping to my country?
A: For in-stock items, we offer same-day dispatch. International express shipping (DHL/FedEx/UPS) typically delivers within 3–5 business days worldwide.
Q: Can I get a formal quotation with shipping costs?
A: Absolutely. Our sales team is ready to provide a detailed Proforma Invoice (PI) including the most competitive shipping rates for your location.
Q: Do you offer discounts for bulk orders?
A: We provide volume-based pricing for large projects or multiple-item orders. Please contact us to get our Best Price Guarantee.
12-Month Comprehensive Warranty
Every part supplied by Global PLC Spare Hub is covered by a 12-month warranty from the date of invoice.
- Coverage: Functional defects and hardware failures under normal operating conditions.
- Commitment: We provide immediate repair, replacement, or a full refund for any verified defective components to minimize your operational downtime.
Returns & Exchange Policy
We offer a 30-day return policy to ensure you receive the exact part your system requires.
- Eligibility: Returns are accepted for uninstalled items in their original, factory-sealed packaging.
- RMA Process: Please contact our support team to obtain a Return Merchandise Authorization (RMA) number before shipping.
- Fast Processing: Refunds or exchanges are processed within 3–5 business days after the returned item passes our technical inspection.
Need Technical Assistance?Not sure if this part is compatible with your system? [Consult our Engineers] before purchasing to ensure 100% compatibility.
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