Frequently inquire Together

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Specifications for the Model Number 3505E:

  • Model Number: 3505E
  • Type: TMR (Triple Modular Redundancy), Low Threshold
  • Voltage: 24 VDC
  • Points: 32, commoned in groups of 8
  • AC Range/DC Range: 20-42.5VDC
  • Frequency Range: n/a
  • Maximum Voltage: 42.5 VDC
  • Switching Level:
    • Off to On: > 12 VDC
    • On to Off: < 4 VDC
  • Nominal Turn-On: 3 mA to 5 mA
  • Typical Hysteresis: 2 VDC
  • Input Delay:
    • OFF to ON: < 8 ms
    • ON to OFF: < 15 ms
  • Point Isolation: 1,500 VDC
  • Nominal Input Impedance: > 1.25KΩ
  • Nominal Field Power Load:
    • Per On point: 0.5 watts
    • @ max. field voltage: 1.5 watts
  • Diagnostic Indicators:
    • Input Status: 1 per point
  • Module Status:
    • Stuck Test: On
  • Color Code: Dark Red


  • The Triconex 3505E is part of the EcoStruxure™ Triconex™ Safety Instrumented System.
  • It provides superior protection for people, production, and profits.
  • Triconex SIS is an integral element of EcoStruxure Plant, an open IoT-enabled architecture for actionable business insight.
  • With over 40 years of continuous safe operation, Triconex Safety Instrumented Systems have delivered more than one billion safe operating hours.
  • The Tricon CX system, certified by TÜV Rheinland to safety integrity level 3 (SIL3), is versatile and suitable for all safety and critical control applications.
Is our price competitive?
Topbrands collaborates with over 50 countries worldwide. As a leading supplier in China, we can provide significant discounts to customers based on market demand.
What is the warranty period?
We offer a standard one-year warranty for all new and original items.
What payment methods do we accept?
We accept 100% T/T (Telegraphic Transfer) before shipping. For items with a lead time, a 30% deposit is required in advance, with the remaining 70% balance due before shipping. If you have an agent in China, please contact us for RMB transfer.
What is the warranty period?
We offer a standard one-year warranty for all new and original items.
What shipping methods do we use?
We primarily utilize carriers such as FedEx, DHL, UPS, BRE, etc. If you have an account with any of these carriers, you can arrange the shipping yourself. Additionally, we offer free shipping to China freight forwarders.
What is our delivery time?
Typically, delivery takes around 1-3 days after receiving the advance payment. For items with a quoted lead time, delivery will occur as per the specified lead time.
How do we package the goods?
Our packaging process involves multiple layers of protection. Initially, the product is placed in its original box, sealed with a label. Then, we add a layer of bubble wrap to safeguard against collisions during transportation. Finally, all products are securely packed in sturdy boxes for further protection.
How can customers contact us and request a quote?
Customers can inquire via email, WhatsApp, WeChat, Skype, or any preferred communication platform. Simply reach out to us, and we'll promptly provide a quote tailored to your needs.

Topbrands PLC Limited is a top supplier of genuine new PLC and DCS parts, serving over 50 countries globally. We offer high-quality products from renowned brands like Bently Nevada, Honeywell, ABB, and more. With our warehouse in China stocking up to 30,000 pieces, we ensure rapid delivery to meet urgent order needs while maintaining competitive pricing to save our customers' budgets. Learn more...

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