OverviewThe electronic limiter ETB200, combined with the TF24 temperature probe, monitors and limits liquid temperature in industrial systems. The system provides process safety through certified safety functions and is intended for installation in electrical cabinets and industrial environments.
Technical Specifications (summary)- Measurement range: -100°C to +600°C (accuracy 0.2% FS).
- Associated sensor: TF24 — Pt100 4-wire, PFA sheath, sensor operating range: -20°C to +200°C.
- Supply voltage: 20 to 250 V AC/DC.
- Outputs:
- Main relay: 2 A / 230 V AC (fused).
- Active analog output: selectable 0/4-20 mA or 0/2-10 V DC.
- User interface: Backlit LCD (white/red) displaying temperature and unit status.
- Mounting: 35 mm DIN rail; compact polyamide housing (22.5 x 111 x 115 mm).
- Protection class: IP20 (limiter), IP64 (probe).
Key benefits- Safety functions: Automatic shutdown when temperature exceeds the set limit; manual reset in accordance with DIN EN 14597; additional relay for pre-alarm before threshold.
- Integration: Analog output for PLC connection; option to connect an external release/reset button.
- Installation: Screw terminals and DIN-rail mounting for straightforward installation in control cabinets.
- Standards and approvals: TÜV approved; EMC to EN 61326; functional safety SIL 2 (EN 61508).
Main applications- Temperature monitoring and limitation in industrial processes.
- Control of process fluids in chemical and electroplating plants.
- Protection against overheating in critical processes.
Safety and compliance- Standards: DIN EN 14597, EN 61326, EN 61508.
- Protection: IP20 (limiter), IP64 (probe).
- Design: Materials and construction suitable for industrial operating conditions.
Technical characteristics / specifications- Model: ETB200.
- Recommended probe: TF24 — Pt100 4-wire, PFA sheath.
- Measurement range: -100°C to +600°C (accuracy 0.2% FS).
- TF24 probe range: -20°C to +200°C.
- Supply: 20 to 250 V AC/DC.
- Main relay output: 2 A / 230 V AC (fused).
- Analog output: selectable 0/4-20 mA or 0/2-10 V DC.
- Interface: Backlit LCD (white/red).
- Mounting: 35 mm DIN rail; housing 22.5 x 111 x 115 mm.
- Protection classes: IP20 (limiter), IP64 (probe).
- Approvals: TÜV; EMC EN 61326; Functional Safety SIL 2 (EN 61508); DIN EN 14597.