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CAU5 Type 2 AC Surge Protector Imax 20kA

  • Standard: IEC/EN 61643-11
  • No. of Poles:1,2,3,4,1P+NPE, 3P+NPE
  • Surge Rating: Imax=20kA (8/20 µs)
  • IEC/EN Category: Type 2/Class II
  • Max. continuous operating voltage: 150, 275, 320, 385, 440V
  • Housing: Pluggable Design
  • CAU5-T2-20

  • Chanan

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Description

Comprehensive AC Power Supply Protection

Introducing the CAU5-T2-20 Type 2 modular Surge Protection Device (SPD), a state-of-the-art solution for safeguarding your critical equipment from transient overvoltages. This essential system provides reliable protection against the unpredictable nature of transient voltages caused by local lightning impacts and the switching of various electrical loads, both inductive and capacitive. It is specifically engineered to offer unrivaled security for devices connected to low voltage AC power supplies.


Versatile and User-Friendly Installation

Every CAU5-T2-20 model is readily equipped with flexible DIN rail mount connection bases, which are available in options ranging from 1 to 4 modules. This allows for straightforward plug-and-play installation of your selected surge protection modules, promising a user-friendly setup that can be adapted quickly to fit your specific protective needs without any hassle.


Advanced Neutral and PE Line Protection

Further enhancing its protective capabilities, the SPD includes NPE modules, which facilitate the assembly of 1P+NPE and 3P+NPE combined SPD systems. These configurations are instrumental in delivering advanced protection for the continuity between neutral lines and PE line equipotential systems. With the addition of the NPE modules, the effectiveness of the CAU5-T2-20's surge protection is significantly amplified, ensuring top-tier defense where it matters most.


Technical Parameters

Table 1

No.of poles 1P 2P 3P 4P 1P+NPE 3P+NPE
Network systems TN-S, TN-C, TT(only L-N) TN-S TN-C TN-S TT, TN-S
Mode of protection L-PE, N-PE(onlyTN-S), L-PEN, L-N L-PE, N-PE L-PEN L-PE, N-PE L-N, N-PE
Protective elements High Energy MOV High Energy MOV and GDT



Table 2

Maximum continuous operating voltage (L-N) Uc 150V 275V 320V 385V 440V
Maximum continuous operating voltage (N-PE) Uc 255V
Norminal discharge current (8/20μs) (L-N)/(N-PE) In 10kA
Maximum discharge current (8/20μs) (L-N)/(N-PE) Imax 20kA
Voltage protection level (L-N)/(N-PE) Up 0.8kV/1.5kV 1.0kV/1.5kV 1.2kV/1.5kV 1.45kV/1.5kV 1.6kV/1.5kV
Voltage protection level 5kA Up 0.5kV 0.8kV 1.0kV 1.2kV 1.4kV
Response time (L-N)/(N-PE) tA ≤25ns/≤100ns
Operating temperature range Tu -40℃ to +80℃
Max. Back-up fuse 125 A gL/gG
Operating state/fault indication Green/Red(L-N),Yellow(N-PE)
Cross-section area (Min.)/(Max.) 4mm²/35mm²
Mounting 35 mm DIN Rail, EN 60715
Enclosure material Thermal Plastic UL94-V0
Degree of protection IP20 (built-in)


Overall Dimensions

CAU5-T2-20kA-Size

Product Uses


Type 2 AC surge protectors with a maximum discharge current of 20kA are designed to protect electrical installations from surges, such as those caused by indirect lightning strikes or the switching of electrical equipment. Here's how they are typically applied:


  1. Commercial and Residential Electrical Panels: These surge protectors are installed on the electrical service panels of commercial and residential buildings to protect against surges that can damage connected appliances and sensitive electronic equipment. They are an essential component for modern buildings that rely on a variety of electronic devices for daily operations.

  2. Compliance with Electrical Codes: The installation of Type 2 surge protectors with a 20kA maximum discharge current can help ensure compliance with electrical codes, such as the NEC (National Electrical Code), which may require surge protection for dwelling units to protect against overvoltage and ensure the safety of the electrical system.

  3. Industrial Facilities: In industrial settings, these surge protectors safeguard control systems, machinery, and other critical components that are sensitive to power quality issues. They are especially important in facilities where operational continuity is critical, and downtime due to equipment failure must be minimized.

  4. Renewable Energy Systems: For photovoltaic (solar) or wind power installations, these surge protectors are used to defend inverters and control systems from electrical transients that can be induced by atmospheric conditions or grid switching events.


In summary, Type 2 AC surge protectors with a maximum discharge current of 20kA offer robust protection against surges in a wide range of applications from residential to commercial and industrial settings, ensuring the protection of sensitive electronics and compliance with safety standards.


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● Standard: IEC60898-1
● Type of trip: Thermo-magnetic
● Rated current: 1~63A
● Rated voltage: 230/400V~240/415V
● Number of poles: 1P,2P,3P,4P,1P+N,3P+N
● Rated short-circuit breaking capacity: 4.5kA
● Tripping curve: B, C, D
● Ambient air temperature: -25...+40 ºC
● Connection: From top and bottom
● Certificates: CB, CE
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  • Type: AC, A
  •  Rated current: 25,40,63,80A
  • Rated voltage: 230/400V~240/415V
  • Poles: 2P(1P+N), 4P(3P+N), N Pole on left
  • Rated sensitivity I△n: 30mA, 100 mA, 300mA
  • Ambient air temperature: -25...+40 ºC
  • Connection: From top and bottom
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