Bently Nevada 3500/53-03-00 Overspeed System Module Protection Solution

Product Snapshot

• Brand: Bently Nevada
• Model: 3500/53-03-00
• System Type: Electronic Overspeed Detection
• Series: 3500 Rack Platform
• Built for fast overspeed trip protection
• Designed for turbines and critical rotating assets
• Works with probe and magnetic pickup sensors
• Industrial safety grade design
• Made in U.S.A
• Series link:
  3500/53 Overspeed Modules

Model Code Tree and Configuration Breakdown

• Order Code: 3500/53-03-00
• ├─ Base Unit:
  3500/53
  Electronic overspeed detector
• ├─ A = Channel Option
• │  └─ 03 = Three channel system
• ├─ B = Agency Approval
• │  └─ 00 = No agency approval
• └─ Rack based modular structure

Main Protection Functions

• Monitors shaft speed for trip events
• One sensor input per channel
• Supports multi channel voting logic
• Fast relay trip response
• Front LEDs show health and alarm state
• Buffered signal output for test use
• Built in bypass and test mode

Input and Sensor Details

• Single transducer input per channel
• Input range +10 V to −24 V
• Internal signal limiting protection
• Input impedance 20 kΩ
• Sensor power −24 Vdc, 40 mA max
• Supports these probe types
• ├─ 3300 8 mm Proximitor
• ├─ 3300 16 mm HTPS
• ├─ 7200 series 5 to 14 mm
• ├─ 3300 RAM Proximitor
• └─ Magnetic pickups

Outputs and Relay Features

• SPDT relays with epoxy seal
• Arc suppressors installed as standard
• Selectable energized state per relay
• Max switched current 5 A
• Max switched voltage 30 Vdc or 250 Vac
• Max switched power 120 Wdc or 600 VAac
• Contact life 100,000 operations typical
• Buffered coax output on front panel
• Buffered output impedance 550 Ω
• Recorder output 4 to 20 mA
• Recorder load 0 to 600 Ω
• Current output update about 100 ms
• Resolution 0.3662 µA per bit

Front Panel Indicators

• OK LED shows module healthy state
• TX/RX LED shows rack communication
• Bypass LED shows bypass active
• Test Mode LED shows test status
• Alarm LEDs map to relay alarms

Power and Consumption

• Typical module use 8.0 watts
• Rack powered design
• No external power brick needed

Environmental Limits

• Operating −30 °C to +65 °C
• Storage −40 °C to +85 °C
• Humidity 95 percent non condensing
• Good noise resistance in rack system

Mechanical and Slot Rules

• Monitor size 241.3 × 24.4 × 241.8 mm
• Monitor weight about 0.82 kg
• I/O module depth 99.1 mm
• I/O module weight about 0.45 kg
• Front slot need one per channel
• Rear slot need one per channel

Installation and Setup Notes

• Install each channel in one front slot
• Match each with rear I/O module
• Check probe gap and wiring first
• Verify relay logic before run
• Use test mode for trip checks
• Record trip setpoints in project file

Service and Maintenance Strengths

• Front buffered output helps testing
• LEDs speed up fault finding
• Module swap is fast in rack
• No field calibration needed often
• Stable long term drift control

Typical Use Cases

• Steam turbine overspeed trip
• Gas turbine protection loops
• Compressor driver safety
• Critical generator trains
• High value rotating lines

Supply, Warranty, Shipping

• Standard warranty 12 months
• Tested before shipment
• Ship by FedEx, UPS, or DHL
• Anti static safe packing
• Global delivery support

FAQ

• How is this different from normal speed monitors
• It focuses on trip protection, not only measurement.
• Can I mix probe and magnetic sensors
• Yes. Each channel accepts either type.
• How do I test relay trips safely
• Use built in test mode before real startup.
• What should I check before buying
• Confirm channel count and rack free slots.
• What support comes with purchase
• Includes 12 month warranty and courier shipping.

Contact and Ordering Help

• Email:
  sales@powergearx.com
• WhatsApp:
  +86 18030005825
• Product family:
  3500/53 series page

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