An RT pressure switch contains a pressure operated single-pole changeover contact, the position of which depends on the pressure in the inlet connection and the set scale value. The RT series includes pressure switches for general applications within industrial and marine refrigeration. The RT series also includes differential pressure switches, pressure switches for neutral zone regulation, and special pressure switches with gold-plated contact surfaces for PLC applications.
Features
- Versions with enclosure IP66
- Wide regulating range
- Wide range of units for industrial and marine applications
- Suitable for alternating and direct current (AC and DC)
- Interchangeable contact system
- Special versions for PLC applications
- Safety Integrity Level : SIL 2 according to IEC 61508
Approvals
| RT 1 | RT 1A | RT 1AL | RT 5A | RT 6W, RT 6B, RT 6S | RT 6AW, RT 6AB, RT 6AS | RT 30AW, RT 30AB, RT 30AS | RT 36B, RT 36S | RT 117 | RT 117L | RT 200 | RT 200L | RT 260A | RT 262A | |
| • | • | • | • | • | Germanischer Lloyd, GL | |||||||||
| • | • | Det Norske Veritas, DNV | ||||||||||||
| • | • | Bureau Veritas, BV | ||||||||||||
| • | • | • | • | • | • | Registro Italiano Navale, RINA | ||||||||
| • | • | • | • | • | • | • | • | • | • | • | • | • | • | Russian Maritime Register of Shipping, RMRS |
| • | • | • | • | • | Nippon Kaiji Kyokai, NKK | |||||||||
| • | • | • | • | Korean Register of Shipping, KRS | ||||||||||
| • | • | • | • | • | • | • | • | • | • | • | • | • | • | CE marked according to 60947-4, -5 |
| • | • | • | • | CE marked acc. to PED 97/23/EC category IV, safety equipment and EN 12263 | ||||||||||
| • | • | • | • | • | • | • | • | • | • | • | • | • | • | China Compulsory Certificate, CCC |
Specifications
Technical Data
| Cable connection | 2 × Pg 13.5 Cable diameter 6 – 14 mm |
| Enclosure | IP66 to EN 60529 / IEC 529, except for versions with ext. reset which are IP54 |
| Ambient temperature | -50 – 70 °C for pressure control housing |
| Switches | See “Ordering, switches” (below) |
| Solid / stranded | 0.2 – 2.5 mm2 |
| Flexible, without ferrules | 0.2 – 2.5 mm2 |
| Flexible, with ferrules | 0.2 – 1.5 mm2 |
| Tightening torque | max. 1.5 Nm |
| Rated impulse voltage | 4 kV |
| Pollution degree | 3 |
| Short circuit protection, fuse | 10 Amp |
| Insulation | 400 V |
Download Datasheet : Danfoss RT Pressure Switches
Reference : danfoss.com
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