DynaShield® PT-RD AC Surge Suppression
PT-RD-20-120V-30, PT-RD-20-250V-30, PT-RD-40-120V-30, PT-RD-40-250V-30, The RD Series is designed to protect single phase low voltage AC power supply system against transient surges at LPZ1 and higher. The SPDs are ANSI/UL 1449 4th Edition Type 4 recognized components for use in Type 2 applications. Ideal for use in SCADA Systems, PLCs, and most other sensitive electronic equipment.
- UL 1449 4th Edition Type 4 for use in Type 2 applications
- SCCR 100 kAIC
- Series or parallel installation
- Screw or DIN mount
- LED Status
DynaShield Applications
ALLTEC’s Protection Pyramid depends on DynaShield® products to support its comprehensive facility framework. The second tier of protection diminishes the significance of random high-energy, short-duration electrical power transients through properly installed surge protective devices. These occurrences are typically caused by atmospheric phenomena (such as lightning strikes), utility switching, inductive loads, and internally generated overvoltages.
You can view typical installation locations in the application maps to the right by locating the numbers 5 and 6.
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Specifications
| Model | PT-RD-20-120V-30 | PT-RD-20-250V-30 | PT-RD-40-120V-30 | PT-RD-40-250V-30 | |
| Tested To | UL 1449 4th Edition | ||||
| SPD Category | Type 4 for use in Type 2 applications | ||||
| Number Of Ports | Two Port Device | ||||
| Technology | Metal Oxide Varistor (MOV) | ||||
| Nominal Operating Voltage UN | 120 Vac | 240 Vac | 120 Vac | 240 Vac | |
| Maximum Current | 30 A | ||||
| Maximum Continuous Operating Voltage UC | 140 V | 260 V | 140 V | 260 V | |
| Nominal Discharge Current IN (8 x 20 μs) |
3 kA | ||||
| Maximum Discharge Current Imax (8 x 20 μs) |
20 kA | 20 kA | 40 kA | 40 kA | |
| Voltage Protection Rating Vpr @ IN |
(L-N) | 600 V | 800 V | 500 V | 800 V |
| (L-PE) | 600 V | 800 V | 500 V | 800 V | |
| (N-PE) | 600 V | 800 V | 600 V | 800 V | |
| Response Time | ≤ 25 ns | ||||
| Visual Status Indication | LED: Green = Normal, Dark = Replace | ||||
| Location Category | Indoor Only | ||||
| Method of Mounting | Wall mount or Fixed 35 mm DIN rail | ||||
| Dimension (H x W x D | 3.94” x 2.8” x 2.3” 100 mm x 71.1 mm x 57.9 mm |
3.94” x 1.4” x 2.3″ 100 mm x 35.6 mm x 57.9 mm |
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| Weight (Max) | 0.5 lbs (0.25 kg) | 0.9 lbs (0.45 kg) | |||
| Maximum Wire Size | #6 AWG Multistrand 13 mm2 |
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| Operating Temperature | -40° F to +176° F (-40° C to +80° C) | ||||
| Relative Humidity | ≤ 95% non-condensing | ||||
| Altitude | ≤ 3000 m | ||||
| Enclosure Protection Level | IP 20 | ||||
| Housing Inflammability Rating | Thermoplastic, UL 94 V-0 | ||||
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