TRICONEX 3721

The Triconex 3721 is a safety relay module from the Triconex (now part of Schneider Electric) family, commonly used in safety instrumented systems (SIS) for critical shutdown applications. Below are its key technical parameters:

Triconex 3721 Technical Specifications:

Type:

Safety Relay Module (used in Triple Modular Redundant – TMR systems).

Input Voltage:

Typically 24V DC (operating range may vary, e.g., 18–32V DC).

Relay Outputs:

Form C (SPDT – Single Pole Double Throw) relay contacts (failsafe design).
Contact Rating: Typically 5A @ 30V DC or 250V AC (verify exact ratings in datasheet).

Safety Certification:

SIL 3 (Safety Integrity Level 3) per IEC 61508 and IEC 61511 standards.
TÜV-certified for high-reliability applications.

Response Time:

Typically < 20ms (depends on system configuration).

Operating Temperature:

0°C to 60°C (32°F to 140°F) (industrial-grade).

Mounting:

Designed for DIN rail mounting in control panels.

Communication Interface:

Part of the Triconex Tricon system, integrates with TriStation 1131 for programming.

Redundancy & Diagnostics:

TMR (Triple Modular Redundancy) for fault tolerance.
Built-in self-testing & diagnostics for safety compliance.

Applications:

Emergency Shutdown Systems (ESD).
Fire & Gas Safety Systems.
Burner Management Systems (BMS).

TRICONEX 3721

Main Brand:

ABB Allen-Bradley Alstom Bently Emerson Foxboro

GE MOOG Schneider Woodward HIMA Honeywell

First hand source, affordable price. Spot inventory!

•Shipping Port: Xiamen

•Ship to you via Fedex/DHL/TNT/UPS/EMS

•Package: Original packing with cartons

Frequently Asked Questions (FAQ)

Delivery & Shipping

Q: What is the earliest time you can make delivery?
A: Delivery is processed immediately upon receipt of payment.

Returns & Warranty

Q: If the product doesn’t work, can it be returned?
A: Yes, we provide a one-year warranty for all products.

Product Availability

Q: How easy is it to obtain items?
A: These items are no longer in continuous production, making supply limited. However, SAUL specializes in sourcing hard-to-find products. While lead times vary, the average delivery window is 5-7 business days.

Introduction to SAUL ELECTRIC:

SAUL ELECTRIC is a leading supplier specializing in industrial automation PLC modules and control systems. Committed to helping customers improve productivity, reduce downtime, and provide high-quality services and diversified projects.

Main advantages:

Integrating multiple renowned brands: SAUL ELECTRIC integrates multiple renowned brands in the field of industrial automation, providing customers with a wide range of product choices and high-quality solutions.
Excellent Service: SAUL ELECTRIC is committed to providing customers with excellent service, including professional technical support, fast response, and reliable delivery.
Diversified projects: SAUL ELECTRIC has rich project experience and can provide customized solutions to meet the needs of different customers.
Professional service team: SAUL ELECTRIC has an experienced professional team that can provide customers with the most effective solutions.

The mission of SAUL ELECTRIC is to help customers improve productivity, reduce downtime, and provide high-quality services and diversified projects. SAUL ELECTRIC is your trusted partner !