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In high-speed rotating machinery, overspeed protection is one of the most critical safety mechanisms. The Bently Nevada 3500-53 module is specifically designed to provide reliable overspeed detection and protection, making it an essential component in turbine and compressor safety systems.

Our company offers this module with ready stock, competitive pricing, and full technical support.

Core Function in Safety Systems

The Bently Nevada 3500-53 is an electronic overspeed detection system that continuously monitors rotational speed and triggers protective actions when limits are exceeded.

Its key functions include:

• Real-time speed monitoring
• Immediate alarm or shutdown triggering
• Prevention of catastrophic equipment failure

This ensures maximum safety for critical assets.

System Architecture

The 3500-53 operates as part of a complete protection system, including:

• 3500 Rack
• Power Supply Module
• Rack Interface Module
• 3500-53 Overspeed Module
• Relay Modules

It supports voting logic configurations such as:

• 2-out-of-2 (2oo2)
• 2-out-of-3 (2oo3, recommended)

This architecture significantly improves system reliability and reduces false trips.

Technical Specifications

Basic Information:

• Model: 3500-53
• Type: Overspeed Detection Module
• Series: Bently Nevada 3500

Electrical Parameters:

• Power Consumption: approx. 8W
• Input Impedance: 20 kΩ
• Signal Range: +10V to -24V
• Max Switching Current: 5A

Environmental Conditions:

• Operating Temperature: -30°C to +65°C
• Storage Temperature: -40°C to +85°C
• Humidity: up to 95% non-condensing

Physical Details:

• Compact industrial design
• Weight: approx. 0.82 kg

Functional Highlights

Triple-Channel Monitoring

Supports independent multi-channel speed measurement for redundancy.

Fast Response Protection

Triggers protective actions instantly when overspeed is detected.

Sensor Compatibility

Works with:

• Proximity probes
• Magnetic pickup sensors

Multiple Relay Outputs

Provides multiple relay outputs for flexible control strategies.

Industry Applications

The 3500-53 module is widely used in:

Power Generation

• Steam turbines
• Generator sets

Oil & Gas

• Compressors
• Pumps

Metallurgy

• High-speed rotating equipment

LNG & Energy Sector

• Critical rotating machinery protection

It complies with industry standards such as API 670.

Why Choose Us as Your Supplier

Our company provides strong advantages:

• Large inventory available
• Competitive pricing
• Guaranteed original products
• Professional technical support
• Reliable long-term supply