Product Introduction: 3500/33-01-00 149986-01
The 3500/33-01-00 149986-01 is a critical relay module within the Bently Nevada 3500 Machinery Protection System. It is a Four-Channel Relay Module designed to provide configurable, hardware-based shutdown and alarm functions. This module accepts trip signals from other monitoring modules (like vibration, speed, or temperature monitors) within the 3500 rack and activates its internal Form-C relays to control external devices. Each of its four channels is independently configurable, allowing for flexible integration into safety and control systems. Its primary role is to serve as the decisive "action" component, physically isolating equipment or alerting operators when dangerous conditions are detected, thereby preventing catastrophic machinery damage.
Key Parameters
The following table summarizes the key specifications of the 3500/33-01-00 149986-01 Relay Module.
| Parameter | Specification |
|---|---|
| Part Number | 3500/33-01-00 (149986-01) |
| Description | Four-Channel Relay Module |
| Dimensions (H x W x D) | Approx. 193 mm x 61 mm x 200 mm (7.6 in x 2.4 in x 7.9 in) [Standard 3500 Series Module Size] |
| Weight | Approx. 0.9 kg (2.0 lbs) |
| Number of Channels | 4 independent relay channels |
| Relay Type | Form-C (SPDT - Single Pole Double Throw) |
| Contact Rating | Typically 2 A @ 120 VAC / 30 VDC (Specific ratings depend on the relay model - e.g., EMR vs. SSR). |
| Voltage Isolation | High voltage isolation between coil and contacts, and between channels. |
| Power Supply | Powered by the 3500 rack backplane. |
| Operating Temperature | 0°C to 65°C (32°F to 149°F) |
| Configuration | Configured via the 3500 rack configuration software connected to a 3500/92 Communication Gateway. |
| Compatibility | Designed for use in a Bently Nevada 3500 series rack. |
Application Scenarios
The 3500/33 Relay Module is deployed to execute critical safety and operational commands across various industries.
Emergency Shutdown (ESD) Systems:
Acts as the primary shutdown device for critical equipment like gas turbines, steam turbines, and compressors. Upon receiving a trip signal from a monitor (e.g., overspeed, high vibration), it de-energizes to shut off the fuel supply or disconnect the machine from the process.
Alarm Annunciation:
Activates audible and visual alarms (horns, beacon lights) in the control room or on the local panel when a monitoring channel detects an alert-level condition, prompting operator intervention.
Process Interlocks and Permissives:
Used for complex sequencing. For example, it can prevent a compressor from starting unless its auxiliary lube oil pump is confirmed to be running, or it can sequence the start-up and shut-down of related equipment.
Redundancy Control:
Can automatically switch control from a primary system (e.g., a main lube oil pump) to a backup system (a standby pump) upon receiving a fault signal from the monitoring system.
Global direct procurement guarantee
All products are purchased directly from overseas original manufacturers or authorized channels, 100% guaranteed genuine quality, sufficient spot inventory, and comprehensive model coverage
Quality Commitment
Each product has been tested by our technicians, providing 12-month long warranty, worry-free after-sales
Flexible procurement plan
- Bulk order enjoys Friendship discount (2 pieces or more can be applied)
- Long-term cooperative customers can apply for priority supply
Full service support
7×24 hours technical consultation, from selection guidance to installation and commissioning to provide full life cycle service (paid)
Why do so many customers choose us?
On the basis of the same quality, we provide:
- More competitive price system
- Faster logistics response
- More complete technical support (free product technical documentation)
Your trust is the driving force for our continuous progress, submit your requirements immediately to get exclusive quotes
