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 Bently Nevada 3500/15 120M3877 is a DC Power Supply Module designed specifically for the 3500 Series machinery protection system. It delivers a regulated DC voltage to the system, ensuring stable operation and reliable power distribution to critical monitoring components. This module is essential for safeguarding machinery health and preventing unexpected failures by powering sensors and monitoring devices in harsh industrial environments.
| Feature | Specification |
|---|---|
| Model | 3500/15 120M3877 |
| Type | DC Power Supply Module |
| Input Voltage Range | 18 to 32 VDC |
| Output Voltage | 24 VDC |
| Output Current | 5 A (maximum) |
| Operating Temperature | -40°C to +85°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 95%, non-condensing |
| Dimensions (HxWxD) | 121 mm x 25 mm x 114 mm |
| Weight | 0.38 kg |
Reliable DC Power Supply: Provides a stable 24 VDC output to ensure continuous operation of the 3500 series monitoring system.
Wide Input Voltage Range: Operates efficiently from 18 to 32 VDC input, making it adaptable to varied power sources.
Robust Design: Built to withstand extreme environmental conditions including temperature and humidity variations.
Compact Form Factor: Its slim size allows easy integration into 3500 Series racks without consuming excessive space.
Protection Mechanisms: Includes overcurrent and thermal protection to safeguard both the module and connected equipment.
The 3500/15 120M3877 module is widely used in industrial sectors requiring continuous machinery condition monitoring, such as:
Power Plants: To maintain the health of turbines, generators, and other critical rotating machinery.
Oil and Gas: Powering vibration and speed sensors for compressors, pumps, and drilling equipment.
Petrochemical: Ensuring reliable operation of motors and rotating equipment in chemical processing plants.
Water Treatment: Providing power to monitoring systems on pumps and treatment equipment.
Manufacturing: Supporting machinery protection in heavy industries and manufacturing plants.
High Reliability: Ensures consistent power supply reducing risk of equipment downtime and system faults.
Wide Environmental Tolerance: Functions well under harsh temperature and humidity conditions, ensuring longevity.
Easy Installation and Maintenance: Fits standard 3500 Series racks, facilitating quick replacement and service.
Cost Effective: Minimizes the need for frequent repairs by protecting critical system components.
Brand: Bently Nevada
Series: 3500 Series Machinery Protection System
| Model | Description | Input Voltage | Output Voltage | Dimensions (HxWxD mm) | Weight (kg) |
|---|---|---|---|---|---|
| 3500/15 120M3877 | DC Power Supply Module | 18-32 VDC | 24 VDC | 121 x 25 x 114 | 0.38 |
| 3500/15 115M7750-01 | High Voltage DC Power Input Module | 88-140 VDC | 24 VDC | 120.7 x 25.4 x 114.3 | 0.34 |
| 3500/16 115M7751-01 | AC Power Input Module | 90-264 VAC | 24 VDC | 120 x 25 x 114 | 0.40 |
| 3500/25 115M7753-01 | Proximity Transducer Module | N/A | N/A | 121 x 25 x 114 | 0.35 |
| 3500/20 115M7752-01 | Vibration Monitoring Module | N/A | N/A | 120 x 25 x 114 | 0.38 |
| 3500/40 115M7754-01 | Speed Monitoring Module | N/A | N/A | 121 x 25 x 114 | 0.36 |
| Model | Description | Key Parameter | Dimensions (HxWxD mm) | Weight (kg) |
|---|---|---|---|---|
| 3300/16 330850-50-CN | Vibration Monitoring System | Frequency Range 1 Hz-20 kHz | 175 x 90 x 320 | 3.2 |
| 3300/12 102566-02 | Proximity Transducer System | Max Speed 30,000 RPM | 160 x 75 x 260 | 2.9 |
| 3300/20 88984-01 | Speed Monitoring System | Speed Range 0-10,000 RPM | 140 x 60 x 200 | 2.5 |
| 3300/25 84933-02 | Temperature Monitoring System | Temp Range -50°C to 150°C | 120 x 50 x 180 | 2.1 |
| 3300/30 135813-01 | Displacement Monitoring System | Range 0-2 mm | 130 x 60 x 190 | 2.3 |
Q1: What is the input voltage range of the 3500/15 120M3877 module?
A1: The module accepts DC input voltage from 18 to 32 VDC.
Q2: What is the output voltage and current of this module?
A2: It provides a regulated 24 VDC output with a maximum current of 5 A.
Q3: Can this module be used in extreme temperature conditions?
A3: Yes, it operates reliably in temperatures ranging from -40°C to +85°C.
Q4: How large is the 3500/15 120M3877 module?
A4: The dimensions are approximately 121 mm in height, 25 mm in width, and 114 mm in depth.
Q5: How much does the module weigh?
A5: It weighs around 0.38 kg.
Q6: What protection features does this module have?
A6: The module includes overcurrent and thermal protection to prevent damage under fault conditions.
Q7: Is this module compatible with all 3500 Series racks?
A7: Yes, it is designed to fit into standard slots of the 3500 Series racks.
Q8: How often should the module be inspected or maintained?
A8: Routine system inspections are advised, but the module is built for long-term reliable operation with minimal maintenance.
Q9: What industries commonly use this power supply module?
A9: It is widely used in power generation, oil and gas, petrochemical, water treatment, and manufacturing sectors.
Q10: Can the module handle humidity in industrial environments?
A10: Yes, it operates effectively in environments with up to 95% non-condensing humidity.
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.