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This Multi9 PRD1 product is a surge arrester. it can be installed in a variety of installations including service entrance, branch panels and control panel environments. It is connected to electrical distribution network. Its surge arrester class type is type 1. The Imax maximum discharge current is 75kA. It can be associated with a 30A and C curve tripping circuit breaker. The Uc maximum continuous operating voltage is 320VAC in common mode (L/N). The In nominal discharge current is 20kA (L/PE). The Up maximum voltage protection level is 1000V (L/N) and 2000V (L/L). It can be mounted on DIN rail for modular installation. Its width is 6 pitches of 9mm. The degree of protection is NEMA 1. The operating temperature is -25°C to 60°C. The storage temperature is -40°C to 85°C. This product complies with UL 1449 standard.
Products specifications
| Attribute name | Attribute value |
|---|---|
| Main | |
| Device short name | PRD1 75r |
| Poles description | 3P |
| Surge arrester type | electrical distribution network |
| Signal contacts composition | 1 SD (1 C/O) |
| Range | Multi9 |
| Product name | Multi9 PRD1 |
| Product or component type | surge arrester |
| Remote signalling | with |
| Complementary | |
| Tightening torque | 3-3 N.m PE, 3-3 N.m L/N |
| Depth | 71.4 mm |
| Width | 52.5 mm |
| Wiring configuration | 4-wire |
| Colour | grey (RAL 7035) |
| Maximum [Up] voltage protection level | <2000 V L/L, <1000 V L/N |
| Response time | < 25 ns |
| Local signalling | red mechanical indicator for end of life, green mechanical indicator for operating |
| Mounting mode | clip-on |
| Disconnector device type | associated circuit breaker 30 A curve C 10 kA |
| Connections - terminals | tunnel type terminal (dry contacts)0.5-1.5 mm², tunnel type terminal6-25 mm² (AWG 10...AWG 4) - flexible, tunnel type terminal6-35 mm² (AWG 10...AWG 2) - rigid |
| Short-circuit withstand | 200 kA |
| Wire stripping length | 6 mm for dry contacts connection, 10 mm for PE connection, 10 mm for L/N connection |
| Net weight | 522 g |
| Maximum discharge current | 75 kA |
| [Uc] maximum continuous operating voltage | differential mode: 640 V AC L/L, common mode: 320 V AC L/N |
| [Iimp] impulse current | 75 kA |
| 9 mm pitches | 6 |
| Nominal discharge current | common mode: 20 kA (L/PE) |
| Mounting support | DIN rail |
| Surge arrester class type | type 1 |
| Height | 91.7 mm |
| Surge arrester technology | MOV |
| Environment | |
| Operating altitude | 2000 m |
| IP degree of protection | NEMA 1 built-in: |
| Relative humidity | 0-95 % |
| Ambient air temperature for storage | -40-85 °C |
| Pollution degree | 3 |
| Standards | UL 1449:ed. 4 |
| Ambient air temperature for operation | -25-60 °C |
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