Description
Key Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Bently Nevada (Baker Hughes) |
| Product Type | 3500/05 Instrument Rack |
| Model Code | 3500/05-01-02-00-00-01 |
| Rack Size | Full-size 19-inch EIA |
| Module Slots | 14 available slots |
| Installation | Panel mount |
| Approval Option | CSA-NRTL/C (code 02) |
| European Compliance | CE option (code 01) |
| Leftmost Slots | Reserved for power supply and rack interface module |
| Operating Temperature | -30°C to +65°C (system-level, verify with OEM) |
| Storage Temperature | -40°C to +85°C (system-level, verify with OEM) |
| Humidity | Up to 95%, non-condensing (system-level) |
Product Introduction
A 3500 rack does not fail like a sensor or a power supply. It fails when someone orders the wrong chassis size, the wrong mounting style, or tries to force a 19-inch assembly into a 12-inch cutout. The Bently Nevada 3500/05-01-02-00-00-01 is the full-size 19-inch instrument rack that holds the entire protection system — power supplies, TDI/interface module, vibration monitors, relay cards, and communication gateways.
Its value is mechanical and electrical correctness. The backplane carries module power and inter-module communication; the leftmost slots are reserved for the 3500/15 power supply and the rack interface/TDI module. With 14 slots and panel-mount installation, this specific suffix fits existing 19-inch panel cutouts where CE compliance is required. It is not a drop-in replacement for the 12-inch mini rack (3500/05-02-xx), and it is not compatible with wall/bulkhead mounting.
QA/QC Transparency SOP
- Intake & Origin Verification — Confirm the full part number 3500/05-01-02-00-00-01 on the nameplate. Verify it is a rack assembly, not a monitor or power supply. Check for physical damage, bent mounting flanges, and missing hardware.
- Live Functional Testing — Install known-good 3500/15 power supply and a test monitor module. Verify backplane power distribution, module seating, and slot recognition. Confirm the rack interface/TDI slot communicates as expected.
- Electrical Parameter Tests — Measure backplane continuity, ground integrity, and slot-to-slot isolation. Check panel-mount grounding points and chassis bonding. No high-voltage megger testing across active backplane traces unless OEM procedure allows.
- Firmware/Config Verification — The rack itself carries no firmware. Verify that installed modules have readable configuration and that the backplane does not corrupt module memory during power-up.
- Final QC & Anti-Static Packaging — Inspect mounting hardware, slot guides, and rear I/O access. Package in anti-static material with rigid corner protection. Ship with a packing list identifying the exact suffix.
Field Engineer Gotchas
- Wrong rack size ordered. The -01 prefix means 19-inch full-size; -02 means 12-inch mini. They are not interchangeable. If the panel cutout is already machined, the wrong rack will not fit.
- Mounting style mismatch. This is panel-mount (-02). It is not rack-rail mount (-02 in the B position for full-size is actually frame/rack mount — verify carefully) and not wall/bulkhead mount (-03). Double-check the second suffix digit against the existing installation.
- Assuming the rack includes power or comms. It does not. A common procurement mistake is buying the rack and expecting a working system. You still need 3500/15 power, 3500/22M TDI or legacy interface, monitors, and relays.
- CE/compliance mismatch. The -01 at the end indicates CE option. Replacing a non-CE rack in a CE-marked system may require documentation review. Reverse is less risky but still needs verification.
- Slot 1 and 2 reserved. Power and rack interface/TDI must occupy the leftmost slots. Putting a monitor card in slot 1 will cause commissioning delays and may prevent the rack from powering correctly.

BENTLY 3500-05-01-02-00-00-01
Application Scenarios
- Turbine generator protection panels. Refinery and power-plant TSI panels use the full-size 19-inch 3500 rack to house vibration, displacement, speed, and relay modules for API 670-compliant protection.
- Compressor string monitoring. Large centrifugal compressors require multiple monitor channels. The 14-slot capacity allows vibration, axial position, differential expansion, and relay modules in one rack.
- Panel retrofit projects. When replacing an aging 3500 chassis, the mounting style and rack size must match the existing panel cutout. This suffix suits panel-mount installations requiring CE compliance.
- Marine and offshore packages. The CE option and CSA approval support export and marine-classed installations, provided the full system certification is maintained.
FAQ
Is 3500-05-01-02-00-00-01 a power supply?
No. It is the instrument rack. Power is supplied by separate 3500/15 modules installed in the leftmost slots.
Can I substitute a 3500/05-02-xx mini rack?
Not without checking the panel cutout, mounting hardware, and available slots. The mini rack has only 7 slots and different dimensions.
Does this rack include the 3500/22M TDI module?
No. The rack is empty unless explicitly sold as a configured assembly. TDI, monitors, relays, and power supplies are separate line items.
What does the -01 suffix at the end mean?
It indicates the CE compliance option for the rack assembly.
Will my existing 3500 modules fit?
Yes, provided the rack is the correct 3500/05 size. 3500 modules are designed for the 3500/05 backplane regardless of rack size, but slot count and mounting style must match.
Is this part discontinued?
The 3500 platform remains an active Bently Nevada product line, but specific rack suffixes may have long lead times. Verify current availability with Baker Hughes or an authorized distributor before planning a shutdown.
Can I mount this in a standard 19-inch EIA cabinet?
This suffix is panel-mount (-02 in the B position). If you need rail-mount installation in a 19-inch EIA cabinet, confirm the correct B-position code — typically -02 for frame/rack mount on full-size racks. Verify against the OEM ordering guide.


