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Brand: Bently Nevada
Bently Nevada 3500/05-01-03-00-00-00 Bulkhead System Rack
Description
Bently Nevada 3500/05-01-03-00-00-00 3500 system rack, bulkhead mount
The 3500/05-01-03-00-00-00 is the bulkhead-mount full-size 3500 rack, built for places where the back of the rack cannot be reached. Because the field wiring and I/O modules are on the front, it is a different layout from the panel and rail versions.
The Bently Nevada 3500/05-01-03-00-00-00 is the 3500/05 System Rack ordered as a bulkhead-mount full-size rack. The rack holds the power supplies, the Transient Data Interface and up to 14 monitor, relay, Keyphasor or gateway modules. Seven Star LLC supplies 3500/05-01-03-00-00-00 in Oman and the GCC as an independent supplier in Muscat.
Decoding 3500/05-01-03-00-00-00
| Field | Code in 3500/05-01-03-00-00-00 | Meaning (manufacturer ordering table) |
|---|---|---|
| A: rack size | 01 | 19-inch rack with 14 module slots |
| B: mounting | 03 | Bulkhead mount option (not available in the mini-rack) |
| C: agency approval | 00 | None |
| D: reserved | 00 | None |
| E: European compliance | 00 | 00, not listed in the current table (see below) |
The final field is 00. The current Rev. N ordering table lists only 01 (CE) for the European compliance field, so a trailing 00 reads as a configuration without that option. Seven Star LLC checks the rack label before quoting, so the exact marking and revision are confirmed.
3500/05-01-03-00-00-00 technical and mechanical data
| Parameter | Specification |
|---|---|
| Manufacturer / part number | Bently Nevada (Baker Hughes) / 3500/05-01-03-00-00-00 |
| Product | 3500/05 System Rack, full-size |
| Module positions | 14 module slots; the power supplies and the Transient Data Interface occupy the far-left positions |
| Mounting format | Bulkhead mount. The rack mounts flat against a wall or panel when the rear cannot be reached. Wiring and I/O modules are accessed from the front, and the I/O module sits above its main module. |
| Rack width / height | 482.60 mm (19.00 in) wide; 265.94 mm (10.47 in) high |
| Depth | 349.25 mm (13.75 in); 422.91 mm (16.65 in) when internal barriers are fitted; bulkhead version about 266.7 mm (10.5 in) |
| Agency option | None |
| Installed area rating | Not applicable without an approval option |
| Compliance listed for the family | EMC Directive 2014/30/EU, LV Directive 2014/35/EU (EN 61000-6-2, EN 61000-6-4, EN 61010-1), RoHS 2011/65/EU; DNV GL and ABS maritime classification listed |
| Internal barriers | Racks with internal barriers need the 3500/04-01 Internal Barrier Earthing Module in a dedicated rack position |
| Maximum modules supported | Any combination of monitors, relay, Keyphasor and gateway modules in the 14 slots |
Mounting and installation of 3500/05-01-03-00-00-00
Fix the rack to the wall or plate with the bulkhead mounting points. The depth is reduced to about 266.7 mm (10.5 in), and the overall width is 482.6 mm. Front access is needed for the I/O modules and wiring, so plan clear space ahead of the rack. The 3500/06 weatherproof housing is not compatible with the bulkhead mount option.
Bulkhead mounting is used in skid-mounted packages, enclosures and machine-side cabinets where there is no rear access.
Approval and compliance notes for 3500/05-01-03-00-00-00
The 3500/05 bulkhead rack mounts against a wall or plate. The overall dimensions in the datasheet show a 482.6 mm width and a 266.7 mm depth, with mounting points around the frame. No agency option is chosen in this part number, so hazardous-area marking has to be provided in another way, for example by the enclosure design.
What goes into the rack
A 3500 rack is a passive backplane frame. The left-most positions are reserved for the 3500/15 power supplies and the 3500/20 or 3500/22M interface module, and the remaining 14 positions take main modules at the front and I/O modules at the rear (above the main module on bulkhead racks). Spares and filler items listed by the manufacturer for the rack are:
- 125388-01 half-height module adapter (internal chassis), 125565-01 card guide, 04300111 screws (qty 3).
- 131150-01 power supply blank front panel; 128085-01 power supply input connector cover; 04310251 screws.
- 130768-01 full-height blank monitor cover kit (130944-01 front panel and 128031-01 I/O cover).
- 131151-01 half-height blank front panel; 00561941 TMR/SIM jumper on the backplane.
- 129766-01 rack installation and maintenance manual and 130432-01 field wiring diagrams.
Selection checklist for 3500/05-01-03-00-00-00
- Check that there is open front access for wiring and for I/O modules, since all connections are on the front.
- Confirm that the 3500/06 weatherproof housing is not part of the plan, because the datasheet says it is not compatible with the bulkhead mount option.
- Check that the mini-rack is not required, as the mini-rack is not available as bulkhead.
- Plan for I/O modules above the main modules and for the cable routing that follows from this arrangement.
- Check the depth limit: about 266.7 mm (10.5 in) rather than 349.25 mm.
Rack family comparison
| Part number | Rack | Mounting | Approval option | CE |
|---|---|---|---|---|
| 3500/05-01-02-00-00-01 | 19-inch | Rack mount | None | Yes |
| 3500/05-01-02-01-00-01 | 19-inch | Rack mount | cNRTLus Div. 2 | Yes |
| 3500/05-01-02-00-00-00 | 19-inch | Rack mount | None | 00 |
| 3500/05-01-03-00-00-00 | 19-inch | Bulkhead | None | 00 |
| 3500/05-01-01-00-00-00 | 19-inch | Panel mount | None | 00 |
| 3500/05-01-01-01-00-00 | 19-inch | Panel mount | cNRTLus Div. 2 | 00 |
Compared with the rack-mount 3500/05-01-02-00-00-00 and panel-mount 3500/05-01-01-00-00-00, only the mounting code (03 versus 02 or 01) changes.
Typical applications in Oman and the GCC
3500 racks protect gas turbines, steam turbines, centrifugal compressors, large motors and pumps in oil and gas, power generation, desalination and petrochemical plants in Oman and the GCC. A rack is a long-life item that may stay in service for decades, so replacement racks are usually requested during modernization or when a backplane is damaged. High ambient temperatures, dust and humid coastal air mean the installation location, cabinet ventilation and earthing quality matter as much as the rack itself.
Information to send with your RFQ for 3500/05-01-03-00-00-00
- Part number 3500/05-01-03-00-00-00 and quantity.
- Photo of the rack nameplate and the existing mounting arrangement (panel cutout, rails or bulkhead plates).
- Area classification and the approval label needed on site.
- Whether power supplies, interface modules and monitors are also required, and which internal barrier arrangement applies.
- Delivery country and required date.
Related Bently Nevada products: Bently Nevada 330105-02-12-10-02-05 3300 XL Probe, Bently Nevada 3500/60-01-00 Temperature Monitor Module, Bently Nevada 990-05-XX-03-05 2-Wire Vibration Transmitter, Bently Nevada 990-05-70-02-00 2-Wire Vibration Transmitter, Bently Nevada 9200-09-01-01-00 Velomitor® Velocity Transducer and Bently Nevada 3300 XL 8mm Probe 330103-00-05-10-01-00.
Documents and quotation
The 3500/05 System Rack datasheet is attached on this page and defines the ordering fields explained above.
Send the part number 3500/05-01-03-00-00-00 and your project details, and Seven Star LLC will confirm availability, condition and lead time for Oman and the GCC in the quotation.
Other Models in the 3500 05 Rack Range
Seven Star LLC supplies models from the 3500 05 Rack range in Oman and the GCC. Compare the related models below and request a quote for the one that matches your application.
| Model | Category | |
|---|---|---|
| Bently Nevada 3500/05-01-02-00-00-01 Rack-Mount System Rack | Vibration Monitoring | View details |
| Bently Nevada 3500/05-01-02-01-00-01 Rack with cNRTLus Option | Vibration Monitoring | View details |
| Bently Nevada 3500/05-01-02-00-00-00 Rack-Mount System Rack | Vibration Monitoring | View details |
| Bently Nevada 3500/05-01-03-00-00-00 Bulkhead System Rack | Vibration Monitoring | You are viewing this model |
Datasheets & Documents
- Datasheet Bently Nevada 3500/05 System Rack Datasheet Download
Reviews (0)
About brand
Bently Nevada is the American machinery protection and condition monitoring brand behind the 3500 rack, the 3300 XL proximity probe and the System 1 software. It was founded in 1961 in Minden, Nevada, and is today a Baker Hughes business.
Seven Star LLC is an independent supplier in Muscat. We list Bently Nevada monitors, I/O modules, probes, proximitors, velocity transducers and transmitters for rotating equipment in Oman and the GCC, and source them by full part number.
Bently Nevada company profile
| Established | 1961, Minden, Nevada, USA, by Donald E. Bently. The business started earlier as Bently Scientific in Berkeley, California (1956). |
|---|---|
| Known for | The first commercial eddy-current proximity transducers for measuring shaft vibration and position on high-speed turbomachinery |
| Ownership | Acquired by GE Energy in 2002; part of Baker Hughes since GE Oil & Gas combined with Baker Hughes in 2017 |
| Rack generations | 5000 series (from 1965), 3300 series (from 1988), 3500 series (from 1995), Orbit 60 (current platform) |
| Product families | Machinery protection racks, proximity probes and proximitors, Keyphasor sensors, velocity and acceleration transducers, 2-wire vibration transmitters, general-purpose monitors, portable analyzers, wireless sensors and System 1 condition monitoring software |
| Typical machines | Steam and gas turbines, centrifugal and reciprocating compressors, pumps, motors, generators, fans and gearboxes |
Milestones
- 1956: Donald E. Bently starts Bently Scientific in Berkeley, California.
- 1961: The company moves to Minden, Nevada, as Bently Nevada.
- 1965: The 5000 series monitoring system is introduced.
- 1988: The 3300 series follows.
- 1995: The 3500 machinery protection system is launched.
- 2002 and 2017: GE Energy acquires Bently Nevada; it becomes part of Baker Hughes in 2017.
Bently Nevada product series
| Series | Type | What it does |
|---|---|---|
| 3500 | Machinery protection rack | Continuous online protection with alarm and danger relays. Modules include the 3500/15 power supply, 3500/20 rack interface, 3500/25 Keyphasor, 3500/42M proximitor/seismic, 3500/50 tachometer, 3500/60 temperature, 3500/33 relay and 3500/92 communication gateway |
| 3500 recip modules | Reciprocating compressor monitoring | 3500/70M impulse velocity, 3500/72M rod position and 3500/77M cylinder pressure |
| Orbit 60 | Protection and monitoring platform | The current Bently Nevada platform for protection, condition monitoring and data integration with System 1 |
| 3300 XL 8 mm | Proximity transducer system | Probe, extension cable and proximitor sensor for radial vibration, thrust position and Keyphasor reference on fluid-film bearing machines; also 5 mm and 25 mm versions |
| 330500 Velomitor, 190501 Velomitor CT | Piezo-velocity sensors | Casing velocity on rolling-element bearing machines and low-speed cooling tower fans |
| 990 and 991 | 2-wire transmitters | 4-20 mA vibration (990) and thrust position (991) signals straight into a PLC or DCS, without a monitor rack |
| 1900/65A, 2300 | Compact monitors | Protection for balance-of-plant pumps, fans and motors where a full 3500 rack is not justified |
A proximity probe measures the gap to the shaft, so it sees shaft movement inside a fluid-film bearing directly. A velocity or acceleration sensor sits on the casing and suits rolling-element bearing machines. Critical turbomachinery usually carries two X-Y probes per bearing, two axial probes for thrust position and a Keyphasor probe for speed and phase.
Where Bently Nevada systems are used
In Oman and the GCC, Bently Nevada racks and probes protect gas turbines, compressors and steam turbines in gas processing, LNG, refining, petrochemical, power and desalination plants. Many installations are 3500 racks that have run for years, so most requests are for like-for-like module, probe, extension cable and proximitor replacements, plus upgrades to newer monitors.
Ordering and replacement: what we need
For probes and proximitors, send the full part number with all option digits (for example 330101-00-27-10-02-05). The digits set the probe length, cable length, connector and approvals, and the probe, cable and proximitor must match in total system length. For 3500 modules, send the module and I/O part numbers from the rack and say whether the I/O is internal or external termination, or barrier type. If a module is obsolete, we quote the replacement that Bently Nevada names and point out any configuration or firmware change.
Facts checked against Baker Hughes Bently Nevada pages and published company history, October 2026.
Browse Bently Nevada products by category: Vibration.
FAQ
Questions about the Bently Nevada 3500/05-01-03-00-00-00 Bulkhead
Answers from our engineering team on installation, compatibility and integration.
01What is Bently Nevada 3500/05-01-03-00-00-00?
It is a 3500/05 System Rack ordered as a full-size 19-inch rack with 14 module slots in the bulkhead format. The ordering fields are decoded in the manufacturer's 3500/05 datasheet.
02How many modules does 3500/05-01-03-00-00-00 accept?
The power supplies and the interface module occupy the far-left positions, and the remaining 14 positions accept any combination of monitor, relay, Keyphasor and gateway modules.
03What is the mounting style of 3500/05-01-03-00-00-00?
Code 03 selects the bulkhead mount option for the full-size rack. It mounts to a wall or panel and wiring and I/O modules are accessed from the front.
04Does 3500/05-01-03-00-00-00 carry an approval option?
No. The approval field is 00. If an approval option is needed, check the 01 approval versions of the rack family.
05What is needed if internal barriers are used?
Racks with internal barriers need the 3500/04-01 Internal Barrier Earthing Module in a dedicated rack position, and internal barrier I/O modules add depth, 422.91 mm instead of 349.25 mm in total.
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