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P.M.A STB 55 DIN Rail Temperature Limiter, 1 Output Relay 250V AC On-Off STB55-5000-000
Specifications
| Country of Origin | Germany |
|---|---|
| Display Type | LCD |
| Brand | P.M.A |
| Length | 50mm |
| Model | STB55-5000-000 |
| 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 |
| Pay online using | Or choose to pay later via bank transfer |
| RS Stock No. | 736-4746Brand: P.M.AManufacturers Part No.: STB55-5000-000 |
| Maximum Supply Voltage | 250V ac |
| Panel Depth | 110mm |
Key Features
- The device has a relay output capable of handling up to 2A current.
- Operates reliably between -10°C and 55°C temperature range.
- Equipped with an LCD display and diagnostic functions for fault detection.
- Mounts easily on standard top-hat DIN rails with screw terminals.
- Supports programmable temperature limits and password-protected operator lock.
- Includes memory function for error signalling and 0.5-second response time.
- Complies with EN 61508 SIL2 safety standard and multiple IEC and DIN certifications.
- Suitable for thermal process monitoring to switch plants into safe conditions upon faults.
Product Description
The P.M.A STB55-5000-000 DIN Rail Temperature Limiter is designed for precise temperature control and protection in industrial and process automation environments. Supporting an output relay rated for 250V AC and 2A maximum current, it provides reliable on-off control within a temperature range from -10°C to 55°C. The unit is equipped with a clear LCD display that shows plain text alarm causes and operational status.
This temperature limiter features error detection capabilities including sensor faults, component failure, software issues, and voltage irregularities. It immediately switches off the system if limits are exceeded or faults occur. The alarm state is visually indicated with a flashing LED and background display lighting, while a 24 VDC external signal output allows for remote alarm notification.
Mounting is simple via standard top-hat DIN rail clips, complemented by screw terminals for secure wiring. The device supports inputs from Pt 100 sensors with 3-wire connection or thermocouples types J, K, N, and S. User operation is facilitated via four keys, with convenient password protection and programmable setpoints for temperature limits and switching hysteresis.
The STB 55 series temperature limiter complies with several international standards including IEC 61000 series for electromagnetic compatibility, EN 61508 SIL2 functional safety, EN 61326 for electrical equipment testing, and multiple DIN standards related to safety and reliability. It is IP20 rated and suitable for panel mounting with a panel depth of 110mm, measuring 100mm wide by 50mm long.
This product is made in Germany and is ideal for applications requiring stringent thermal process monitoring and safe plant shutdown capabilities in case of operational faults. Its diagnostic features and robust standards compliance make it well suited to industrial automation, manufacturing, HVAC, and process control sectors.
The device includes 1 output relay with 2A max current rating. Operates within a temperature range of -10°C to 55°C. Mounts easily on DIN rails with screw terminals for wiring. Features programmable limits, password protection, and memory function for error signalling.
Complies with IEC, EN, and DIN certifications including EN 61508 SIL2. Provides LCD display, alarm LED, and 24VDC external alarm signal output. Measures 100mm width and 50mm length, panel depth 110mm. IP20 rated for industrial environment protection.
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Frequently Asked Questions
This model operates reliably between -10°C and 55°C.
The output relay can handle a maximum current of 2A.
Alarm states are visually indicated with a flashing LED and background display lighting.
It features an LCD display that shows plain text alarm causes and operational status.
The device measures 100mm in width, 50mm in length, and has a panel depth of 110mm.
It mounts easily on standard top-hat DIN rails using screw terminals for wiring.
It supports inputs from Pt 100 sensors with a 3-wire connection or thermocouples of types J, K, N, and S.
The unit complies with EN 61508 SIL2 and several IEC and DIN certifications for safety and reliability.
This model uses an On-Off control type for temperature regulation.
Yes, it includes error detection capabilities for sensor faults, component failure, software issues, and voltage irregularities.
The output relay is rated for a maximum voltage of 250V AC.
User operation is facilitated via four keys, with password protection and programmable setpoints for temperature limits and switching hysteresis.
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