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Unison UNI 807 PMDD 100 08 01 Solid State Relay (SSR)
The Unison UNI 807 PMDD 100 08 01 Solid State Relay (SSR) is a durable, high-performance relay for AC load control. It features 3–32V DC input, 24–480V AC output, and 100A load capacity—ideal for industrial automation, heaters, and motor control with silent, fast, and reliable operation.
Unison UNI 807 PMDD 100 08 01 Solid State Relay (SSR)
The Unison UNI 807 PMDD 100 08 01 Solid State Relay (SSR) is a high-performance, durable switching device designed for reliable control of AC loads. Built with advanced semiconductor technology, it offers silent operation, fast response time, and long service life without mechanical wear. Ideal for industrial automation, temperature control systems, heaters, motors, and lighting circuits, this SSR ensures efficient and stable performance even under demanding conditions.
Key Features:
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Model: UNI 807 PMDD 100 08 01
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Input Control Voltage: 3–32V DC
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Output Load Voltage: 24–480V AC
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Load Current: 100A
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Optically isolated for protection
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Zero-cross switching for noise reduction
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Compact and easy to mount design
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Maintenance-free solid-state operation
Applications:
Perfect for industrial machinery, process control panels, HVAC systems, and power automation where silent and efficient switching is essential.

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Arduino CNC Shield
- Shield type: Arduino Nano
- Firmware: GRBL
- Modular stepper motor drivers: 3
- Limit switches: 6
- Micro-stepping: 1/16
- Coolant enable
- Uses removable Pololu A4988 compatible stepper drivers. (A4988, DRV8825, and others) (Not Included)
- Jumpers to set the Micro-Stepping for the stepper drivers. (Some drivers like the DRV8825 can do up to 1/32 micro-stepping )
- Compact design.
- Runs on 12-36V DC. (At the moment only the Pololu DRV8825 drivers can handle up to 36V so please consider the operation voltage when powering the board.)
- Please note that this is an unassembled kit and needs soldering.
- Latest Arduino CNC Shield Version 3.51

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