The TOMZN T1T2 SPD surge protector provides robust Type 1+2 protection with a 20-50kA discharge capacity and a 7kA follow current rating for superior lightning and surge immunity. Its larger chip design ensures enhanced durability and thermal stability, while the pluggable module allows for quick replacement without rewiring, minimizing system downtime. Features and Benefits
- T1T2 Combined Protection (20-50kA) - Offers comprehensive defense against both direct lightning strikes (Type 1) and induced transient overvoltages (Type 2) in a single DIN-rail unit.
- Larger Internal Chip Design - Provides improved heat dissipation and higher energy handling capability, leading to greater long-term reliability and performance stability.
- 7kA Follow Current Interrupting Rating - Safely extinguishes high fault currents that may follow a surge, ensuring the device remains intact and protective.
- Pluggable Module Design - Enables fast, tool-free replacement after a major surge event, restoring protection quickly and reducing maintenance labor costs.
- DIN Rail Mounting (1P) - Facilitates easy, standardized installation alongside circuit breakers and other components in electrical distribution panels.
- 275V AC Maximum Continuous Operating Voltage - Suitable for standard single-phase applications, ensuring compatibility with common residential and commercial power systems. Applications
- Residential Main Distribution Boards - Install as the primary surge protection device to safeguard entire home electrical systems and connected appliances.
- Commercial and Industrial Control Panels - Protect sensitive machinery, PLCs, and automation equipment from damaging voltage transients.
- Telecom and Data Cabinet Installations - Shield network equipment and communication lines from surges entering via power supply lines.
- Renewable Energy Systems - Integrate into solar PV inverter combiner boxes or wind system controllers to protect against lightning-induced surges. Note: This device is a protective component. For optimal safety and performance, installation should be performed by a qualified electrician in accordance with all local electrical codes.
Chip Size: Larger. Maximum Continuous Operating Voltage (Uc): 275V AC. Connection Type: Screw Terminal. Follow Current Interrupting Rating: 7kA. Maximum Discharge Current (Imax): 50kA. Modularity: Pluggable. Mounting: DIN Rail. Nominal Discharge Current (In): 20kA. Number of Poles: 1P. Operating Temperature Range: -40°C to +85°C (typical for category). Protection Level: T1 (Class I). Protection Modes: L-N, N-PE (typical for category). Quantity per Unit: 1. Status Indication: Visual (typical for category). Type: AC Surge Protective Device (SPD). Housing Material: Thermoplastic (UL94 V-0 rated inferred). Maximum Continuous Operating Voltage (Uc): 275V AC. Nominal Voltage (Un): 275V AC. Operating Temperature Range: -40°C to +80°C (Inferred typical for DIN rail SPD). Protection Modes: Line to Neutral (L-N), Neutral to Earth (N-PE) (Inferred for 1P+N systems). Short-Circuit Current Rating (Isc): 25 kA (Inferred minimum for residential/commercial). Standards Compliance: IEC 61643-11, EN 61643-11. Surge Current Rating (Iimp - Type 1): 7 kA (10/350 µs wave). Backup Fuse Recommendation: 63A gL/gG (Inferred based on Imax rating). Core Component Technology: Metal Oxide Varistor (MOV) with Larger Chip Design. Maximum Discharge Current (Imax - Type 2): 50 kA (8/20 µs wave). Module Design: Pluggable Module. Mounting Style: DIN Rail Mountable. Nominal Discharge Current (In - Type 2): 20 kA (8/20 µs wave). Number of Poles: 1 Pole (1P). Product Type: Type 1 + Type 2 Combined Surge Protective Device (SPD). Protection Level (Up): ≤ 1.5 kV (Inferred typical for this class). Response Time: < 25 ns (Inferred typical for MOV-based SPD). Status Indication: Visual (Green/Red window inferred). Q: What are the key specifications of the TOMZN T1T2 SPD surge protector? A: This DIN rail-mounted SPD is rated for AC 275V systems and offers a high discharge capacity of 20-50kA. It features a T1 (Type 1) classification with a 7kA impulse current rating and uses a larger chip design for enhanced durability.. Q: How durable is the TOMZN AC SPD with its larger chip design? A: The larger chip design in this T1T2 SPD significantly improves its ability to absorb and dissipate high-energy surges, leading to greater longevity and reliability. Its robust construction ensures it can handle repeated surge events within its specified ratings.. Q: Can this T1T2 SPD be used in a residential electrical panel? A: Yes, this TOMZN SPD is designed for installation on a standard DIN rail within residential or commercial distribution panels. Its T1 classification makes it suitable for installation at the service entrance to protect against direct lightning strikes and large surges.. Q: Does this surge protective device come with a warranty or guarantee? A: Yes, this product includes a standard manufacturer's warranty. For specific warranty duration and coverage details, please refer to the documentation provided with the product or contact the seller directly.. Q: Is the TOMZN SPD a good value compared to other surge protectors? A: Yes, this offers excellent value for DIY enthusiasts and professionals seeking quality without premium brand pricing. It delivers reliable T1T2 protection with a high discharge capacity and pluggable design for easy maintenance..