Product Description

The 3500/33-01-00 is a 16-Channel Relay Module from Bently Nevada, made in the U.S.A. It is part of the 3500 Series, designed for industrial automation control. This module offers reliable relay output and easy integration with 3500 racks. It ensures stable operation in harsh industrial environments, suitable for various control and alarm tasks.

It features 16 relay channels, epoxy-sealed relays and built-in arc suppressors. The module is easy to install and maintain, ideal for industrial equipment protection and interlock control.

Technical Specifications

• Basic Information
  • Brand: Bently Nevada
  • Model: 3500/33-01-00
  • Product Type: 16-Channel Relay Module
  • Output Module Type: 01 = 16-Channel Relay Output Module
  • Agency Approval: 00 = None
  • Made in: U.S.A
• Power Consumption
  • Typical: 5.8 watts
• Front Panel LEDs
  • OK LED: Lights up when the module works well
  • TX/RX LED: Flashes when communicating with other rack modules
  • CH Alarm LED: Lights up when a relay channel is in alarm
• Relay Specifications
  • Relay Type: Single-pole Double-throw (SPDT)
  • Environmental Sealing: Epoxy-sealed
  • Arc Suppressor: 250 Vrms (standard)
  • Contact Life: 10,000 cycles
  • Operation: 4 groups of 4 channels (ND or NE selectable)
• Contact Ratings
  • Standard Systems
    • Min Switched Current: 100 mA @ 5 Vdc
    • DC (Resistive Load): Max 5A, 125 Vdc; 70W@24Vdc, 10W@48Vdc, 9W@60Vdc
    • AC (Resistive Load): Max 5A, 250 Vac, 1200 VA
• Failsafe & Hazardous Area Systems
  • Min Switched Current: 100 mA @ 5 Vdc (standard contacts)
  • Min Switched Current: 1 mA @ 1 Vdc (gold-plated contacts)
  • DC (Resistive Load): Max 5A, 30 Vdc
• Low Current Applications
  • Min Switched Current: 1 mA @ 1 Vdc
  • Max Switched Current: 100 mA @ 48 Vdc
  • AC (up to 120VAC): Min 1mA, Max 5mA (gold-plated)
• Physical Specifications
  • Main Module
    • Dimensions: 241 mm x 24.4 mm x 242 mm (9.50×0.96×9.52 in)
    • Weight: 0.7 kg (1.6 lb)
• I/O Module

• Dimensions: 241 mm x 24.4 mm x 99.1 mm (9.50×0.96×3.90 in)
• Weight: 0.4 kg (1.0 lb)
• Overall Dimensions (D x W x H): 24.20 cm x 2.44 cm x 24.10 cm
• Gross Weight: 0.70 Kg
• Environmental & Anti-Interference
  • Operating Temperature: -40°C to +85°C (adapts to harsh industrial environments)
  • Humidity: 95% non-condensing (prevents moisture damage)
  • Anti-Interference: Epoxy-sealed relays for stable operation
• Rack Space Requirements
  • Main Module: 1 full-height front slot
  • I/O Module: 1 full-height rear slot
• Compatibility
  • Fully compatible with Bently Nevada 3500 Series racks
  • Works with 3500 rack configuration software
  • Suitable for industrial control systems in various industries

Application Scenarios

• Industrial automation control systems
• Power, petrochemical and metallurgical industries
• Turbines, compressors and fans (large rotating equipment)
• Equipment protection and interlock control
• Alarm and shutdown control for industrial equipment
• Failsafe systems and hazardous area applications

Manager’s Insight

The 3500/33-01-00 is a reliable 16-channel relay module for industrial use. It has epoxy-sealed relays and built-in arc suppressors for long service life. We recommend it for customers needing stable relay control in harsh environments. It integrates easily with 3500 racks and supports flexible channel operation (ND/NE). Its compact design saves rack space, and the clear LED indicators make operation simple. It’s a cost-effective choice for industrial equipment protection and control.

Packaging List & After-Sales

• 1 x Bently Nevada 3500/33-01-00 Main Module
• 1 x Bently Nevada 16-Channel Relay I/O Module
• 1 x Mounting Screws Set
• 1 x English Installation Manual
• Warranty: 12 months (covers manufacturing defects)
• Delivery: 12-24 hours after order confirmation
• Shipping: Fedex, UPS, DHL (international express)

Purchasing Guide

• Choose this module if you need 16-channel relay control for 3500 racks
• Select standard relays for general industrial applications
• Choose gold-plated contacts for low-current (1mA@1Vdc) applications
• Confirm rack space (1 front + 1 rear slot) before purchase
• Check compatibility with your 3500 Series rack system
• Prioritize this module for hazardous area or failsafe system use

Frequently Asked Questions (FAQ)

Q1: What is the model of this relay module?

A1: It is 3500/33-01-00 from Bently Nevada, a 16-channel relay module.

Q2: How many channels does this module have?

A2: It has 16 relay channels, divided into 4 groups of 4 channels each.

Q3: What is the relay type of the 3500/33-01-00?

A3: It uses Single-pole Double-throw (SPDT) relays, epoxy-sealed.

Q4: Can I use this module in hazardous areas?

A4: Yes. It is suitable for failsafe and hazardous area systems. Disconnect power before servicing.

Q5: What is the contact life of the relays?

A5: The relays have a contact life of 10,000 cycles for stable long-term use.

Q6: How much rack space does this module need?

A6: It needs 1 full-height front slot (main module) and 1 full-height rear slot (I/O module).

Q7: What is the difference between standard and low-current relays?

A7: Standard relays need 100mA@5Vdc min load; low-current (gold-plated) need 1mA@1Vdc.

Q8: How long is the delivery time?

A8: We ship within 12-24 hours after you confirm the order.

Q9: What should I do if the CH Alarm LED is on?

A9: It means a relay channel is in alarm. Check the channel wiring and load first.

Q10: Is this module compatible with all 3500 Series racks?

A10: Yes, it is fully compatible with Bently Nevada 3500 Series racks.