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P.M.A STB 55 DIN Rail Temperature Limiter, 1 Output Relay 250V ac On-Off STB55-1000-000
Specifications
| Country of Origin | Germany |
|---|---|
| Display Type | LCD |
| Brand | P.M.A |
| Length | 50mm |
| Model | STB55-1000-000 |
| IP Rating | IP20 |
| Width | 100mm |
| Mount Type | DIN Rail |
| Output type | Relay |
| Series | STB 55 |
| Maximum Operating Temperature | 55°C |
| Control Type | On-Off |
| Minimum Operating Temperature | -10°C |
| Maximum Current | 2A |
| Number of outputs | 1 |
| Terminal type | Screw |
| Maximum Voltage | 250V |
| Maximum Supply Voltage | 250V ac |
| Panel Depth | 110mm |
Key Features
- The device features one relay output with a maximum current rating of 2A suitable for on-off control.
- It operates within a temperature range of -10°C to 55°C with programmable limit and hysteresis.
- The terminal connections are screw type ensuring solid and stable wiring.
- The limiter uses inputs from Pt 100 sensors with 3-wire connection or thermocouples types J, K, N, and S.
- LCD display provides clear indication, including alarm cause in plain text and illuminated alarm LED.
- The unit complies with multiple standards including EN 61508 SIL2 and EN 14597 for functional safety.
- Designed for DIN rail mounting with compact length of 50mm, width 100mm, and panel depth 110mm.
- It has a maximum supply voltage and switching voltage of 250V ac and an IP20 rating.
Product Description
P.M.A STB55-1000-000 DIN Rail Temperature Limiter is a precision safety device designed for industrial thermal process monitoring. It features a single output relay rated for 2A on-off control at up to 250V ac, ensuring plant safety by switching to a safe state upon reaching predefined temperature limits or detecting faults.
This limiter accepts input from Pt 100 sensors in a 3-wire configuration or thermocouples types J, K, N, and S, offering versatility across various industrial temperature sensing needs. The temperature range spans from -10°C to 55°C, with programmable switching hysteresis to optimize control accuracy.
The front panel includes an LCD display and an alarm LED with background lighting, which presents alarm causes in clear text. Additionally, it features a 24 VDC output for external alarm signaling. The terminal connections use screw type terminals, facilitating robust and secure wiring in installations.
Certified to meet EN 61508 SIL2 and EN 14597, this product complies with stringent functional safety and electromagnetic compatibility standards, suitable for industrial automation, process control, and safety relay applications in manufacturing, HVAC, water treatment, and laboratory environments.
Compact DIN rail mounting dimensions (50mm length, 100mm width, and 110mm panel depth) allow easy integration into existing control panels with an IP20 rating for protection. Diagnostics capabilities detect sensor faults, software errors, and power issues, enhancing reliable operation.
The device provides dependable temperature monitoring with immediate shutdown to prevent hazards. Single relay output simplifies wiring and control logic in safety systems. Wide sensor compatibility extends its use across diverse industrial sectors.
User-friendly diagnostics and alarm display improve maintenance efficiency. Robust build quality and German manufacturing ensure long-term reliability.
Overall, the P.M.A STB 55 temperature limiter STB55-1000-000 is an essential component for safeguarding thermal process control systems, providing highly reliable temperature supervision, fault detection, and safety shut-off functions. Browse more Temperature Controllers and safety relays on EnvMart for industrial-grade automation solutions.
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Frequently Asked Questions
This model operates within a temperature range of -10°C to 55°C.
It features a single relay output suitable for on-off control, with a maximum current rating of 2A.
The maximum supply voltage for the P.M.A STB 55 is 250V AC.
It accepts inputs from Pt 100 sensors with a 3-wire connection or thermocouples types J, K, N, and S.
The dimensions are 50mm in length, 100mm in width, and 110mm in panel depth.
This model is designed for DIN rail mounting, allowing for easy integration into control panels.
It features an LCD display that provides clear indications, including alarm causes in plain text.
Yes, it complies with EN 61508 SIL2 and EN 14597 for functional safety and electromagnetic compatibility.
The unit has an IP20 rating, indicating it is protected against solid objects greater than 12mm but not against water.
It operates using an on-off control mechanism.
The illuminated alarm LED provides visual alerts, and the LCD display presents alarm causes in clear text for user clarity.
The output relay has a maximum current rating of 2A, suitable for effective on-off control.
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