OverviewThe surface-mounted thermostat is available as a single or double thermostat with capillary or rigid thermowell. A microswitch is used as the electrical switching element. The device operates according to the principle of liquid expansion. It is available as a temperature monitor, safety temperature monitor, and safety temperature limiter. Additional thermowells allow use in zone 0 where required.
Highlights- [Ex i] version for mounting in zone 1/21
- PUSH IN connection technology
- Quick and secure electrical connection
Customer benefits at a glance- Simple implementation in process environments
- Mechanical mounting without software configuration
- Straightforward commissioning
- Fast PUSH IN electrical wiring
- Flexible adaptation to thermal processes (capillary or rigid thermowell)
- Easy mounting and low installation effort
- In most cases no additional protective measures required
- No separate weather protection necessary
Technical data (general)- Housing: Polyester, black
- Circuitry: NAMUR
- Control ranges: -20 to +500 °C
- Ambient temperature: -40 to +75 °C
- Protection type: IP54 (standard), IP65 (optional)
- Mounting / connection: PUSH IN terminal block
- Approvals: [Ex i] for zone 1 or 21; SIL 2 approval according to DIN EN 61508 (in preparation)