Phoenix Contact Type III / Class D Surge Protection Devices Supplier
United Machinery is a leading supplier of Phoenix Contact Type III / Class D Surge Protection Devices (SPDs) Serving West Bengal, Bihar, Odisha, Chhattisgarh, Jharkhand, Maharashtra, Rajasthan, Haryana, Madhya Pradesh, Gujarat, Assam, Tripura, Andhra Pradesh, Meghalaya, Karnataka, Manipur, Tamil Nadu, Hyderabad & Internationally across Saudi Arabia & the UAE, offering high-precision point-of-use protection for sensitive equipment and electronic circuits. These SPDs deliver fast, reliable, and low-let-through voltage protection, ensuring the smooth operation of modern industrial, commercial, and residential installations.
Product Introduction of Phoenix Contact Type III / Class D SPD
Phoenix Contact’s Type III / Class D SPDs are designed to provide fine protection at the equipment level. Installed close to the terminal device, they protect sensitive electronics from switching surges, residual lightning currents, and internally generated transients. These SPDs are commonly used in combination with Type I and Type II devices to form a complete multi-stage surge protection system. The PLT-SEC-T3 Series is engineered using Safe Energy Control (SEC) Technology, ensuring longer life, low energy dissipation, and outstanding mechanical durability.
Key Features of Phoenix Contact Type III / Class D SPD
- Ultra-low let-through voltage for precise equipment protection
- Fast response time for micro-level surge suppression
- Compact, user-friendly design for easy DIN-rail installation
- Plug-in replaceable modules for simplified maintenance
- Thermally monitored, self-protecting varistor technology
- Remote Fault Monitoring (FM)for SCADA/automation alerts
- Safe Energy Control (SEC)ensures long service life
- Suitable for final distribution boards, PLC cabinets, and control panels
Benefits of Using Phoenix Contact Type III / Class D SPDs
- Protects PLC, SCADA, sensors, electronic instruments & controllers
- Prevents damage from switching spikes and micro-surges
- Enhances system uptime & reduces maintenance downtime
- Designed for critical equipment with high sensitivity
- Compatible with automation, industrial, commercial & residential applications
- Ensures compliance with global protection standards (IEC/EN 61643)
- Long operational lifespan due to thermal disconnection features
Types of Type III / Class D Surge Protection Devices
PLT-SEC-T3-24-FM-UT (2907916)
Designed for 24 V control, signal, and automation circuits.
Ideal for: Sensors, PLC I/O, control signals, communication modules.
PLT-SEC-T3-60-FM-UT (2907917)
Developed for 60 V DC circuits with medium voltage control applications.
Ideal for: Instrumentation circuits, measurement systems, control devices.
PLT-SEC-T3-120-FM-UT (2907918)
Built for 120 V AC/DC circuits requiring superior fine protection.
Ideal for: Small power supplies, relays, electronic devices.
PLT-SEC-T3-230-FM-UT (2907919)
Designed for 230 V AC systems—perfect for single-phase equipment.
Ideal for: Control panels, automation cabinets, electronic power supplies.
Differences Between All Models (Voltage-Based Selection)
Model | Voltage Rating | Suitable For | Typical Use Case |
PLT-SEC-T3-24-FM-UT | 24 V | Low-voltage DC & signal circuits | PLC signals, sensors, industrial controls |
PLT-SEC-T3-60-FM-UT | 60 V | Medium-voltage control systems | Instrumentation, measurement, monitoring |
PLT-SEC-T3-120-FM-UT | 120 V | AC/DC equipment circuits | Electronic relays, UPS control, automation |
PLT-SEC-T3-230-FM-UT | 230 V | Single-phase AC equipment | Panels, power supplies, industrial machines |
Main Difference: The variation lies in operating voltage compatibility, enabling correct protection at different points in an electrical or automation system.
Technical Chart (General Overview for PLT-SEC-T3 Series)
Parameter | Specification |
SPD Class | Type III / Class D |
Voltage Options | 24 V / 60 V / 120 V / 230 V |
Protection Technology | MOV-based with Safe Energy Control |
Mounting | DIN Rail |
Response Time | < 25 ns |
Remote Monitoring | Yes (FM Terminal) |
Operating Temperature | –40°C to +80°C |
Indicator | Status window (Green/Red) |
Application Level | Equipment-level fine protection |
Standard Compliance | IEC 61643, EN 61643 |
Top Reasons to Buy Phoenix Contact Type III / Class D SPD from United Machinery
- One of the Leading Phoenix Contact SPD
United Machinery supplies genuine Phoenix Contact SPDs across India, Saudi Arabia, and the UAE.
- 100% Original & Certified Products
All SPDs are sourced directly from authorized channels, ensuring authenticity and long-term performance.
- Expert Guidance for Surge Protection Selection
We help customers design complete Type I + Type II + Type III SPD systems for maximum protection.
- Wide Voltage Range Always in Ready Stock
We maintain inventory for 24 V, 60 V, 120 V, and 230 V SPDs for immediate dispatch.
- Best Prices for Bulk & Industrial Purchases
Special pricing for OEMs, industries, EPC contractors, panel builders, and distributors.
- Fast Pan-India & International Delivery
We deliver across: West Bengal, Bihar, Odisha, Chhattisgarh, Jharkhand, Maharashtra, Rajasthan, Haryana, Madhya Pradesh, Gujarat, Assam, Tripura, Andhra Pradesh, Meghalaya, Karnataka, Manipur, Tamil Nadu, Hyderabad, Saudi Arabia & UAE.
- Technical Support & After-Sales Assistance
Our team provides installation guidance, configuration assistance, and product documentation support.
We Supply Across India and International
We supply Phoenix Contact Type III / Class D SPD to:
- West Bengal
- Bihar
- Odisha
- Chhattisgarh
- Jharkhand:Ranchi
- Maharashtra:Mumbai, Pune, Nagpur, Aurangabad
- Rajasthan:Jaipur
- Haryana:Faridabad
- Madhya Pradesh:Bhopal, Indore
- Gujarat:Ahmedabad, Surat, Vadodara
- Assam
- Tripura:Agartala
- Andhra Pradesh:Visakhapatnam
- Meghalaya
- Karnataka:Bengaluru
- Manipur:Imphal
- Tamil Nadu:Chennai, Coimbatore
- Hyderabad
- International Supply:
- Saudi Arabia:Al Jubail, Jeddah, Riyadh, Al Khobar
- UAE:Abu Dhabi, Dubai, Ruwais, Umm Al Quwain
Contact United Machinery Corporation
Looking for a trusted PHOENIX CONTACT Type III / Class D Surge Protection Devices Supplier? Get in touch with United Machinery Corporation for genuine products, competitive pricing, and fast delivery across India, Saudi Arabia, and UAE.
Phone Number – +91 90732 37992
Email Id – onlineumc9@gmail.com

