Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| sales@plc-automations.com | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |

The 3300/53 family is designed as a speed / tachometer / overspeed protection module in the Bently Nevada 3300 rack system. The “03–01–00–01” suffix designates a particular internal configuration: “03” series of 53, “01” sub‑variant, “00” baseline, “01” a specific minor revision or feature set. This module receives rotor speed input (from proximity probe, magnetic pickup, or keyed speed sensors), analyzes for valid rpm, can detect reverse rotation, and offers overspeed alarm or trip logic.
This variant is intended to fit into a 3300 monitoring rack, providing essential speed and protection functionality for rotating machinery. It may include front-LED status, internal logic, and relay outputs for alarm/trip.
| Parameter | Specification / Typical Value |
|---|---|
| Model | 3300/53‑03‑01‑00‑01 |
| Series / Type | 3300 Speed / Overspeed / Tachometer Module |
| Function | Rotor speed measurement, overspeed detection, reverse rotation logic |
| Input Type | Proximity probes, magnetic pickups, square / sine speed signals |
| Speed Range | 1 rpm to 99,999 rpm (typical) |
| Input Impedance | ~50 kΩ for magnetic signals, ~10 kΩ for proximity (common 3300 practice) |
| Power Supply | –24 VDC (typical in 3300 rack systems) |
| Operating Temperature | –20 °C to +65 °C (typical rack environment) |
| Storage Temperature | –40 °C to +85 °C |
| Dimensions (Module) | ~198 mm × 162 mm × 108 mm (rack module size) |
| Weight | ~1.2 kg (1,200 g) |
| Alarm / Relay Outputs | SPDT or configurable relays for overspeed / alarm logic |
| Reverse Detection | Yes — included in 3300/53 family variants |
| Certifications | Standard 3300 module compliance (CE, etc., depending variant) |
Notes & Observations:
Many 3300/53 modules support three‑channel voting logic (2‑out‑of‑3) for overspeed in advanced variants.
The physical size and weight are approximated from general 3300 rack module standards.
“03‑01‑00‑01” variant likely includes specific firmware or logic features (reverse detection, additional relay options, etc.).
Rotor speed measurement in turbines, generators, motors
Overspeed trip and protection systems in critical rotating machinery
Reverse-rotation detection to flag unexpected backspin
Integration into 3300 rack systems for machinery protection
Retrofit of legacy tachometer modules in plant monitoring systems
Use in power plants, petrochemical facilities, oil & gas, and high-speed machinery environments
Comprehensive Speed Logic: Provides rpm measurement, overspeed detection, and reverse rotation logic
Modular Design: Fits standard 3300 rack modules for easy swapping / upgrades
Compact & Rugged: Built for industrial rack environments with stable logic performance
Enhanced Safety: Overspeed alarms protected by configurable relays
Backwards Compatible: Works with standard 3300 rack power and signal infrastructure
Reliable Operation: Designed for low drift, stable output under temperature variation
Diagnostic Feedback: Likely includes LED indicators or diagnostic status signals
Upgradeable Logic: “03‑01…01” variant may include firmware enhancements or extra logic
| Model | Function / Role | Key Variation | Notes |
|---|---|---|---|
| 3300/53‑03‑01‑00‑00 | Baseline speed/overspeed module | “00” subvariant | Without extra minor revision bits |
| 3300/53‑03‑01‑02 | Variant with extra relays | “02” variant | Additional protection logic |
| 3300/53‑03‑02‑00 | Higher logic version | “03‑02” variant | Enhanced voting or diagnostics |
| 3300/53‑03‑01‑00‑05 | Certified variant | “05” approvals | For hazardous area compliance |
| 3300/52‑03‑01‑00 | Reverse detection only module | 52 family instead of 53 | Focused on backspin detection |
| Model | Type / Function | Application / Strength | Notes |
|---|---|---|---|
| 3500/53 Overspeed Module | 3500 series overspeed detection | High-speed machine protection | Key overspeed module in 3500 systems |
| 3300/16 Dual Vibration Module | XY + Gap vibration monitor | Vibration + shaft position sensing | Widely used fault detection module |
| 3300/55 Dual Velocity Monitor | Two-axis velocity sensor module | Vibration velocity measurement | Complement to proximitor sensors |
| 3300/20 Thrust Monitor Module | Axial / Thrust position monitor | Measures thrust bearing displacement | For axial load monitoring |
| 3300/30 Temperature Monitor | Temperature (RTD / TC) monitoring | Environmental / bearing temperature sensing | Widely used in machine condition systems |
Q1: What is the main purpose of 3300/53‑03‑01‑00‑01?
A1: It is a speed / overspeed / tachometer module in the 3300 rack system, providing rpm measurement, overspeed logic, and reverse rotation detection.
Q2: What input signals does it accept?
A2: Proximity sensor signals, magnetic pickups, or square/sine tachometer signals depending on variant.
Q3: What is its speed range?
A3: Typically 1 rpm up to 99,999 rpm.
Q4: What is the module’s weight?
A4: About 1.2 kg.
Q5: What are its physical dimensions?
A5: Approximately 198 mm × 162 mm × 108 mm (standard 3300 rack slot size).
Q6: Does it detect reverse rotation?
A6: Yes — reverse rotation logic is included in the 3300/53 family.
Q7: What power supply does it require?
A7: –24 VDC from the 3300 rack’s power module.
Q8: Does it include overspeed relay outputs?
A8: Yes — configurable SPDT relays for overspeed alarms/trips.
Q9: What temperature range is supported?
A9: –20 °C to +65 °C operational; –40 °C to +85 °C storage.
Q10: Can this module be hot-swapped?
A10: In many 3300 systems, modules may be replaced without shutting down the entire rack (depending on system design).
Authenticity guarantee
All product specifications are original and authentic imported products. We have an annual sales volume of 300 million yuan, and we only produce original and authentic products. All customers who cooperate with us directly online can enjoy low discounts.
Free warehouse
We have a complete range of product models, 80% of conventional models are in stock, and we have established channels in Asia, Africa, North America, South America, and Europe, effectively shortening the order processing time and satisfying customers in a timely manner.
Technical Team
Fast delivery. Spot goods can be shipped on the same day, and the delivery time transaction is 20% faster than that of peers on average, with a delivery time accuracy rate of 99%.
Thoughtful after-sales service
24-hour after-sales service guarantee team, professional and standardized management service system.