Phoenix TTC-6 Series: Industrial Signal Protection & Processing Modules - Selection Guide
Product Overview
The Phoenix TTC-6 Series comprises industrial-grade signal protection and processing modules designed for safeguarding sensitive electronic components and optimizing signal transmission in automation systems. Covering three core functional categories—MOV/GDT surge protection, FMRS/FMRX specialized signal modules, and 3-HF high-frequency signal modules—these devices support voltage ranges from 12V DC to 120V AC, with terminal options (PT/UT) and functional variants (explosion-proof EX, high-frequency HF, isolation I). Ideal for industrial control circuits, sensor signal processing, and high-speed data transmission, they feature 35mm DIN rail mounting, robust construction, and compliance with global industrial standards to ensure reliability in harsh environments.
Model Quick Reference Table
1. MOV/GDT Surge Protection Modules
| Model No. |
Product Name |
Voltage Rating |
Key Features |
Application Scenarios |
| 2906859 |
TTC-6-MOV-D-24DC-PT-I |
24V DC |
MOV surge protection, PT terminal, isolation (I) |
24V DC circuit surge suppression with isolation |
| 2906837 |
TTC-6-MOV-C-24DC-UT-I |
24V DC |
MOV surge protection, UT terminal, isolation (I) |
24V DC control circuit surge protection |
| 2906854 |
TTC-6-MOV-C-24DC-PT-I |
24V DC |
MOV surge protection, PT terminal, isolation (I) |
24V DC sensor circuit surge safeguarding |
| 2906840 |
TTC-6-MOV-C-120AC-UT-I |
120V AC |
MOV surge protection, UT terminal, isolation (I) |
120V AC power circuit surge protection |
| 2906844 |
TTC-6-GDT-C-110AC-UT-I |
110V AC |
GDT surge protection, UT terminal, isolation (I) |
110V AC industrial circuit surge suppression |
2. FMRS/FMRX Specialized Signal Modules
| Model No. |
Product Name |
Key Features |
Application Scenarios |
| 1193557 |
TTC-6-FMRX-UT |
UT terminal, FMRX function |
Industrial signal reception and conditioning |
| 2907810 |
TTC-6-FMRS-UT |
UT terminal, FMRS function |
Industrial signal transmission and processing |
| 2907811 |
TTC-6-FMRS-PT |
PT terminal, FMRS function |
High-reliability signal transmission (PT terminal) |
3. 3-HF High-Frequency Signal Modules
| Model No. |
Product Name |
Voltage Rating |
Key Features |
Application Scenarios |
| 2906721 |
TTC-6-3-HF-M-12DC-UT-I |
12V DC |
3-channel HF, M variant, UT terminal, isolation (I) |
12V DC high-speed signal processing |
| 2906732 |
TTC-6-3-HF-M-12DC-PT-I |
12V DC |
3-channel HF, M variant, PT terminal, isolation (I) |
12V DC high-frequency sensor signal conditioning |
| 2906823 |
TTC-6-3-HF-F-M-EX-24DC-UT-I |
24V DC |
3-channel HF, F/M variant, EX 防爆，UT terminal, isolation (I) |
Hazardous area 24V DC high-speed signal processing |
| 2906770 |
TTC-6-3-HF-F-M-24DC-UT-I |
24V DC |
3-channel HF, F/M variant, UT terminal, isolation (I) |
24V DC high-frequency signal transmission |
| 2906779 |
TTC-6-3-HF-F-M-24DC-PT-I |
24V DC |
3-channel HF, F/M variant, PT terminal, isolation (I) |
24V DC high-reliability HF signal processing |
| 2906769 |
TTC-6-3-HF-F-M-12DC-UT-I |
12V DC |
3-channel HF, F/M variant, UT terminal, isolation (I) |
12V DC multi-channel HF signal conditioning |
| 1109712 |
TTC-6-3-HF-F-12DC-PT |
12V DC |
3-channel HF, F variant, PT terminal |
12V DC HF signal processing (basic version) |
| 1065316 |
TTC-6-3-HF-12DC-PT |
12V DC |
3-channel HF, PT terminal |
12V DC standard HF signal conditioning |
Core Technical Specifications (Universal)
| Parameter |
Value |
Notes |
| Voltage Range |
12V DC~120V AC (model-dependent) |
Covers industrial low-voltage needs |
| Protection Functions |
MOV/GDT surge suppression, overvoltage protection (model-dependent) |
Safeguards against transient surges |
| Operating Temperature |
-25℃~70℃ |
Adapts to harsh industrial environments |
| Mounting Type |
35mm DIN rail (NS 35/7.5) |
Compact design for space-saving |
| Terminal Types |
PT (plug-in), UT (universal terminal) |
PT for fast maintenance; UT for versatile wiring |
| Isolation Voltage |
2kV (I-suffixed models) |
Anti-interference for sensitive circuits |
| Protection Class |
IP20 (cabinet mounting) |
Dust-proof for industrial control cabinets |
| Certifications |
CE, UL, CSA; EX models: ATEX/IECEx (Zone 2) |
Global industrial and hazardous area compliance |
| Response Time |
≤10ns (surge protection models); ≤1ms (HF models) |
Fast surge suppression and signal processing |
Application Scenarios & Recommended Models
1. Hazardous Area High-Frequency Signal Processing
- Requirement: 24V DC HF signal processing in explosive environments
- Recommended Model: 2906823 (TTC-6-3-HF-F-M-EX-24DC-UT-I)
- Key Reason: EX certification for Zone 2; 3-channel HF design + isolation for reliable signal transmission
2. 24V DC Control Circuit Surge Protection
- Requirement: Surge suppression for 24V DC PLC control circuits
- Recommended Models: 2906837 (UT terminal), 2906854 (PT terminal)
- Key Reason: MOV surge protection + 2kV isolation; terminal options fit wiring preferences
3. 12V DC Multi-Channel High-Speed Signal Conditioning
- Requirement: 3-channel HF signal processing for 12V DC sensors
- Recommended Model: 2906769 (TTC-6-3-HF-F-M-12DC-UT-I)
- Key Reason: 3-channel HF design; isolation ensures signal integrity in noisy environments
4. 110V AC Circuit Surge Suppression
- Requirement: Surge protection for 110V AC industrial power circuits
- Recommended Model: 2906844 (TTC-6-GDT-C-110AC-UT-I)
- Key Reason: GDT surge protection optimized for AC circuits; UT terminal for easy integration
5. High-Reliability Signal Transmission
- Requirement: Stable FMRS signal transmission with PT terminal
- Recommended Model: 2907811 (TTC-6-FMRS-PT)
- Key Reason: PT plug-in terminal for fast maintenance; FMRS function ensures signal stability
Core Advantages
- Multi-Functional Protection: MOV/GDT surge suppression covers AC/DC circuits; HF models handle high-speed signals
- Hazardous Area Compatibility: EX-suffixed models enable deployment in Zone 2 explosive environments
- Dual Terminal Options: PT (plug-in) for fast maintenance; UT (universal) for flexible wiring
- Industrial-Grade Isolation: 2kV isolation (I-suffixed) eliminates cross-interference between circuits
- Fast Response Performance: ≤10ns surge suppression and ≤1ms HF signal processing for real-time control
- Compact Design: DIN rail mounting with narrow width saves control cabinet space
- Global Compliance: CE/UL/CSA/EX certifications support international deployment
Installation & Usage Notes
- Voltage Matching: Select models with voltage ratings matching the protected circuit (e.g., 24DC for 24V DC systems)
- EX Model Deployment: Install EX-suffixed models per ATEX/IECEx guidelines (proper grounding, Zone 2 restriction)
- Terminal Selection: Use PT terminals for systems requiring frequent maintenance; UT terminals for versatile wiring
- Wiring Specifications: Use 0.14~2.5mm² conductors; shielded cables for HF signal lines to reduce EMI
- Mounting Spacing: Reserve ≥3mm between modules for heat dissipation; avoid direct sunlight
- Surge Protection Hierarchy: Install surge models as secondary protection downstream of main surge arresters
- Maintenance Checks: Regularly inspect surge modules for damage; replace faulty units promptly to maintain protection
