Configured for heavy industrial machinery protection, the Bently Nevada 149986-02 provides dependable 4-channel relay control functionality within the 3500 rack system architecture. This module serves as a critical interface for executing hardware-based alarm outputs, system shutdowns, and safety interlocking schemes. By translating electronic alarm states into physical relay contact outputs, it safeguards high-value rotating assets such as steam turbines, centrifugal compressors, and large induction motors from catastrophic failure modes.
| Parameter | Specification Value |
|---|---|
| Manufacturer | Bently Nevada |
| Part Number | 149986-02 |
| Module Type | Spare 4-Channel Relay Control Module |
| Compatible System | Bently Nevada 3500 Series Machinery Protection System |
| Relay Contact Type | Single-Pole, Double-Throw (SPDT) / Form C |
| Contact Current Rating | 5 A at 120 Vac / 240 Vac (Resistive), 5 A at 24 Vdc |
| Operating Temperature | -30 to +65 degC |
| Storage Temperature | -40 to +85 degC |
| Relative Humidity | 95% non-condensing |
| Packaging Dimensions | 2.5 cm x 25.8 cm x 12.0 cm |
| Net Weight | 0.74 kg |
| Shipping Weight (Calculated) | 2.00 kg |
| Country of Origin | United States (USA) |
The 149986-02 is the main circuit card assembly for the Bently Nevada 3500/32 standard 4-Channel Relay Module. Note that this is functionally distinct from the 3500/33 16-channel relay module. Ensure your 3500 Rack Configuration Software supports the specific card revision to prevent configuration mismatch errors during integration.
When switching highly inductive AC or DC loads (such as heavy solenoid valves or master trip coils), install external snubber circuits or suppression diodes directly across the load. Switching unsuppressed inductive loads will cause excessive contact arcing, drastically reducing the operational lifespan of the internal relay contacts and potentially inducing electromagnetic interference (EMI) back into the 3500 rack backplane.
Hardware jumper settings on the 149986-02 board dictate whether the relays are Normally Energized (NE) or Normally De-energized (NDE). Ensure these hardware settings exactly match your software configuration database. A mismatch will cause the system to throw a configuration error and prevent the rack from entering "Run" mode.
Wear an ESD wrist strap connected to a verified earth ground point before removing the module from its anti-static shielding package.
Inspect the card's edge connector for dust, debris, or gold-plating contamination before installation.
Align the module card along the card guides of the designated slot in the 3500 chassis, sliding it backward until it seats firmly into the backplane connector.
Tighten the two chassis retaining screws on the front panel to secure the module and establish optimal frame grounding.
Global Express Shipping
Returns & Warranty
Manufacturer: Bently Nevada
Product No.: 149986-02
Country of origin:United States
Product Type: Relay Control Modules
Payment: T/T, Western Union
Weight: 320g
Dimensions: 2.5 cm x 25.8 cm x 12.0 cm
Shipping port: Xiamen
Warranty: 12 months
Configured for heavy industrial machinery protection, the Bently Nevada 149986-02 provides dependable 4-channel relay control functionality within the 3500 rack system architecture. This module serves as a critical interface for executing hardware-based alarm outputs, system shutdowns, and safety interlocking schemes. By translating electronic alarm states into physical relay contact outputs, it safeguards high-value rotating assets such as steam turbines, centrifugal compressors, and large induction motors from catastrophic failure modes.
| Parameter | Specification Value |
|---|---|
| Manufacturer | Bently Nevada |
| Part Number | 149986-02 |
| Module Type | Spare 4-Channel Relay Control Module |
| Compatible System | Bently Nevada 3500 Series Machinery Protection System |
| Relay Contact Type | Single-Pole, Double-Throw (SPDT) / Form C |
| Contact Current Rating | 5 A at 120 Vac / 240 Vac (Resistive), 5 A at 24 Vdc |
| Operating Temperature | -30 to +65 degC |
| Storage Temperature | -40 to +85 degC |
| Relative Humidity | 95% non-condensing |
| Packaging Dimensions | 2.5 cm x 25.8 cm x 12.0 cm |
| Net Weight | 0.74 kg |
| Shipping Weight (Calculated) | 2.00 kg |
| Country of Origin | United States (USA) |
The 149986-02 is the main circuit card assembly for the Bently Nevada 3500/32 standard 4-Channel Relay Module. Note that this is functionally distinct from the 3500/33 16-channel relay module. Ensure your 3500 Rack Configuration Software supports the specific card revision to prevent configuration mismatch errors during integration.
When switching highly inductive AC or DC loads (such as heavy solenoid valves or master trip coils), install external snubber circuits or suppression diodes directly across the load. Switching unsuppressed inductive loads will cause excessive contact arcing, drastically reducing the operational lifespan of the internal relay contacts and potentially inducing electromagnetic interference (EMI) back into the 3500 rack backplane.
Hardware jumper settings on the 149986-02 board dictate whether the relays are Normally Energized (NE) or Normally De-energized (NDE). Ensure these hardware settings exactly match your software configuration database. A mismatch will cause the system to throw a configuration error and prevent the rack from entering "Run" mode.
Wear an ESD wrist strap connected to a verified earth ground point before removing the module from its anti-static shielding package.
Inspect the card's edge connector for dust, debris, or gold-plating contamination before installation.
Align the module card along the card guides of the designated slot in the 3500 chassis, sliding it backward until it seats firmly into the backplane connector.
Tighten the two chassis retaining screws on the front panel to secure the module and establish optimal frame grounding.
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Returns & Warranty
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For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
United States
|
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