Description
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).
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
Global Industrial Automation Solutions & High-Demand Spare Parts
Premier Partner Brand Matrix
We specialize in OEM-grade automation solutions for critical industries, with strategic partnerships covering full-range DCS/PLC/TSI manufacturers:
Process Control Experts
Honeywell Experion PKS ｜ Emerson DeltaV ｜ Yokogawa CENTUM VP
Safety System Authorities
Triconex Tricon ｜ HIMA H51q ｜ ICS Triplex Trusted
Discrete Control Leaders
Allen-Bradley ControlLogix ｜ Siemens SIMATIC ｜ B&R X20
Rotating Equipment Guardians
Bently Nevada 3500 ｜ EPRO MMS6000 ｜ ENTEK XM Series
High-Availability Parts Database (Top Demand Models)
1. Distributed Control System (DCS) Critical Components
│
├─ ABB 800xA System
├─ Comm Module: 3AUA0000110429 (Redundant Config)
└─ Controller Card: SYSCON2 746924 (v2.3 Firmware)
│
├─ Foxboro I/A Series
├─ FBM214 (16-Ch AI Card ｜ ±0.1% Accuracy)
└─ FBM242 (HART-enabled AO Module)
│
├─ Triconex TMR Safety System
└─ Triple Modular Redundancy: 3625X (SIL3 Certified ｜ MTBF >500k Hours)
2. Programmable Logic Controller (PLC) Fast-Moving Parts
│
├─ Allen-Bradley Top Models
├─ 1734 Series I/O: IB8 (8-pt Input ｜ -40~70℃ Industrial Grade)
└─ ControlLogix Module: 1756-IM16I (16-Ch Isolated Input)
│
├─ GE MarkVIe Specialized Components
└─ IS220UCSAH1A (Turbine Control Dedicated ｜ With Dynamic Calibration Report)
3. Turbine Supervisory Instrumentation (TSI) Core Sensors
│
├─ Bently Nevada 3500 System
├─ 3500/22M (Radial Vibration Monitor ｜ TÜV Certified)
└─ 3500/53 (Shaft Position Module ｜ ±1μm Precision)
│
├─ EPRO Smart Probe System
└─ MMS6312 (Vibration/Temperature Combo ｜ IP67 Rated)
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, XingChuangronghe specializes in sourcing hard-to-find products. While lead times vary, the average delivery window is 5-7 business days.
Pricing
Q: What is the typical price for the items?
A: XingChuangronghe offers highly competitive pricing while maintaining excellent service. Final pricing may vary based on delivery requirements and availability.
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TRICONEX Company Profile
TRICONEX is a renowned U.S. manufacturer of industrial safety control systems, founded in 1983 and now a brand under Schneider Electric.
Core Expertise
The company specializes in:
-
✅ Safety Instrumented Systems (SIS)
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✅ Emergency Shutdown Systems (ESD)
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✅ Critical control solutions
Key Industries Served
Widely used in high-risk sectors, including:
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✅ Oil & Gas
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✅ Chemicals
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✅ Power Generation
Flagship Product
The Tricon Safety System is known for its 🔄 Triple Modular Redundancy (TMR) technology, ensuring:
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✅ Fault tolerance
-
✅ Safe industrial operations
Certifications & Global Reach
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✅ Rigorous safety certifications (e.g., SIL ratings)
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✅ Global service network
Leadership
TRICONEX is a trusted leader in process safety solutions, delivering reliability and innovation worldwide.
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