The PISA series protection module is an innovative low-cost product designed for current distribution and protection in 24V load circuits.
The PISA series protection module distributes the current from a large power supply across multiple low-current output channels, allowing for the use of thin wires. Additionally, it ensures that the unit's input voltage (corresponding to the power supply's output voltage) typically does not fall below 21V by limiting the output to a restricted current. Therefore, if high-sensitivity devices such as PLCs, controls, and sensors are directly connected to the same power supply as the PISA protection module, a stable supply voltage can be maintained. Loads that are not as critical (which are not affected by short-term voltage interruptions but could potentially cause a failure of the 24V power supply) are connected to one of the four current-controlled output channels built into the PISA module. It provides protection regardless of the length of the wire or the characteristics of the power supply.
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Line up（13）
| Model number | overview |
|---|---|
| PISA11.401 | Electronic Circuit Protector 24V@4A 4-channel protection module; Outputs: 4x1A |
| PISA11.402 | Electronic Circuit Protector 24V@8A 4-channel protection module; Outputs: 4x2A |
| PISA11.403 | Electronic Circuit Protector 24V@12A 4-channel protection module; Outputs: 4x3A |
| PISA11.404 | Electronic Circuit Protector 24V@16A 4-channel protection module; Outputs: 4x4A |
| PISA11.406 | Electronic Circuit Protector 24V@20A 4-channel protection module; Outputs: 4x6A |
| PISA11.410 | Electronic Circuit Protector 24V@20A 4-channel protection module; Outputs: 4x10A |
| PISA11.203206 | Electronic Circuit Protector 24V@18A 4-channel protection module; Outputs: 2x3A and 2x6A |
| PISA11.206212 | Electronic Circuit Protector 24V@20A 4-channel protection module; Outputs: 2x6A and 2x12A |
| PISA11.CLASS2 | Electronic Circuit Protector 24V@14.8A 4-channel protection module; Outputs: 4x NEC Class 2 listed as "Limited Power Source" |
| PISA-B-8CL2-B1 | Electronic Circuit Protector 24V@30A 8-channel, Outputs: NEC-CLASS 2 x8, 3.75A per channel, common alarm signal |
| PISA-B-8CL2-B4 | Electronic Circuit Protector 24V@30A 8-channel, Outputs: NEC-CLASS 2 x8, 3.75A per channel, digitally encoded alarm signal |
| PISA-B-812-B1 | Electronic Circuit Protector 24V@40A 8-channel, Outputs: 1-12A x 2, 1-10A x 6, common alarm signal |
| PISA-B-812-B4 | Electronic Circuit Protector 24V@40A 8-channel, Outputs: 1-12A x 2, 1-10A x 6, digitally encoded alarm signal |
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Company information
Our company is fully committed to the development and manufacturing of DIN rail power supplies. Aiming for the pinnacle of technology in this field, we have dedicated all our engineering know-how, resources, and energy, resulting in our ability to establish a level of efficiency and quality in our equipment that exceeds customer expectations. Our pioneering spirit, innovative ideas, and constant pursuit of excellence are recognized worldwide. If you have any issues with switching power supplies or have any requests, please feel free to contact us. Direct transactions are also possible.