Product Overview
The Danfoss RT116 is a heavy-duty mechanical pressure switch designed for demanding marine and industrial applications. It uses a bellows sensing element and provides reliable pressure alarm, pump-control and equipment-protection functions.
Its rugged IP66 enclosure and extensive marine classification approvals make it particularly suitable for engine rooms, machinery spaces and auxiliary systems aboard vessels.
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | Danfoss |
| Model | RT116 |
| Part number | 017-520366 |
| Regulation range | 1–10 bar |
| Adjustable differential | 0.33–1.30 bar |
| Maximum working pressure | 22 bar |
| Maximum test pressure | 25 bar |
| Contact arrangement | SPDT changeover contact |
| Reset function | Automatic |
| Pressure connection | G 3/8 male |
| Connection standard | ISO 228-1 |
| Sensing element | Bellows |
| Enclosure protection | IP66 |
| Ambient temperature | −50°C to +70°C |
| Cable entries | 2 × Pg 13.5 |
| Contact rating | AC-1: 10 A at 400 V |
| Net weight | Approximately 0.888 kg |
Main Features
- Rugged pressure switch for harsh operating environments
- Adjustable pressure range and switching differential
- Automatic reset operation
- Reliable mechanical bellows sensing system
- High electrical contact capacity
- IP66 protection against dust and water
- Suitable for alarms, interlocks and automatic pump control
- Marine approvals include DNV, BV, LR, RINA, KR and NKK
Marine and Offshore Applications
- Freshwater and seawater cooling-pump control
- Lubricating-oil pressure monitoring
- Fuel-oil system pressure alarms
- Compressed-air system control
- Hydrophore and water-pressure systems
- Refrigeration and HVAC equipment
- Boiler auxiliary systems
- Hydraulic and pneumatic machinery
- Engine-room low- or high-pressure alarms

