Danfoss RT19B mechanical pressure switch with bellows sensing element, single-pole double-throw (SPDT) contact and manual max reset. Regulating range 5 to 25 bar; G 1/2 male pressure connection (ISO 228-1); enclosure IP54. Danfoss code number 017-518266.
| Brand | Danfoss |
| Model | RT19B pressure switch |
| Code number | 017-518266 |
| Regulating range (Pe) | 5 to 25 bar |
| Maximum working pressure | 42 bar |
| Contact function | SPDT (single-pole double-throw) |
| Reset | Manual max |
| Differential | 1 bar (fixed) |
| Pressure sensing element | bellows |
| Pressure connection | G 1/2 male (ISO 228-1) |
| Enclosure | IP54 |
| Ambient temperature range | -40 to +70 degC (-40 to +158 degF) |
| Cable entry | 2 x Pg 13.5 |
| Contact rating | AC15=3 A at 400 V; AC1=10 A at 400 V; AC3=4 A at 400 V; DC13=12 W at 220 V; LR=28 A at 400 V |
| Maximum test pressure | 47 bar |
| EAN | 5702428043007 |
| Net weight | 0.921 kg; gross weight: 1.132 kg |
| Standards | EN 60947-4, EN 60947-5 |
| Approvals | CE, EAC, CCC, GL, LVD, PED, RMRS |
| Type | RT19B |
| Product group | Switches and thermostats |
| Ambient temperature range [°C] [max] | 70 °C |
| Ambient temperature range [°C] [min] | -40 °C |
| Ambient temperature range [°F] [max] | 158 °F |
| Ambient temperature range [°F] [min] | -40 °F |
| Approval | CCC |
| Burst pressure [bar] | 63 bar |
| CE mark | Yes |
| China RoHS compliance | Yes |
| Contact rating @ 250K cycles | AC15=1 A, 400 V |
| Differential [bar] | 1 bar |
| Differential [psi] | 14.5 psi |
| EEE category | 5 small equipment (any external dimension < 50 cm) |
| Electrical conn | |
| Male/Female | Female |
| Electrical connection | Screwed cable entry |
| Electrical connection size | 2xPg 13.5 |
| Electrical connection standard | DIN 40430 |
| Electrical spec. standard | EN 60947-4/-5 |
| EN 60947 electrical properties | Insulation: 400V |
| EN 60947 wiring properties | Flex, ferrules: 0.2-1.5 mm2 |
| Enclosure rating IP | IP54 |
| EU RoHS compliance | Out of scope |
| Fluid Group | 1 |
| In scope of WEEE | Yes |
| Max. test pressure [bar] Pe | 47 bar |
| Max. test pressure [psig] | 682 psig |
| Max. Working Pressure [bar] | 42 bar |
| Max. Working Pressure [psig] | 610 psig |
| PED category | IV |
| Pressure connection size | 1/2 |
| Pressure connection standard | ISO 228-1 |
| Pressure connection type | G |
| Pressure Male/Female | Male |
| REACH Candidate List substances | Lead (CAS no. 7439-92-1) |
| Regulation range [bar] Pe [max] | 25 bar |
| Regulation range [bar] Pe [min] | 5 bar |
| Regulation range [psig] Pe [max] | 362.6 psig |
| Regulation range [psig] Pe [min] | 72.5 psig |
| Reset function | Manual Max |
| Material | Bellows sensing element |
| Pressure rating | 42 bar |
| Temperature range | -40 to +70 degC |
| IP rating | IP54 |
| Primary standard | EN 60947-5 |
| Thread standard | ISO 228-1 |
| MOQ | 1 |
G 1/2 male (ISO 228-1) pressure connection. Confirm range and reset type against application.