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Controllers, Signal Conditioners
PR 4131 Universal Trip Amplifier
Availability:
Available on backorder
Make: PR Electronics | Origin: Denmark | Condition: New
✔ Supports inputs from RTD, thermocouples (TC), ohm sensors, potentiometers, mA, and voltage signals
✔ Features two configurable alarm limits
✔ FM-approved for Division 2 hazardous area installations
✔ Equipped with two relay outputs
✔ Compatible with universal AC or DC power supply
€205.00
Available on backorder
Description
The PR 4131 Universal Trip Amplifier from PR Electronics (Denmark) is a high-performance industrial module designed to monitor and amplify analog signals for overcurrent, overvoltage, and process protection applications. The PR 4131 Universal Trip Amplifier ensures reliable detection and triggers alarms or protective actions in industrial automation systems. This versatile module supports a wide range of input signals, providing adjustable thresholds and hysteresis, making it ideal for integration with PLCs, DCS, and SCADA systems. Industrial engineers looking to buy PR 4131 Universal Trip Amplifier, or source a PR Electronics distributor for a replacement trip amplifier, benefit from its high accuracy, galvanic isolation, and robust industrial performance.
Advanced Features
- Monitors analog signals for trip/alarm conditions
- Adjustable set points and hysteresis for flexible protection
- Galvanic isolation between input, output, and supply
- Wide input range supporting uni- and bipolar signals
- High-speed response for critical protection applications
- Compact DIN-rail housing for easy control panel installation
- LED status indicators for alarms and faults
- Robust EMC immunity and industrial-grade construction
Applications
- Overcurrent and overvoltage protection
- Industrial process monitoring and control
- PLC, DCS, and SCADA system integration
- Alarm triggering and safety interlocks
- Motor and generator protection systems
- Industrial automation panels requiring analog trip detection
Technical Characteristics
- Input: Analog uni-/bipolar signals
- Output: Relay or analog trip signal
- Isolation: Galvanic isolation
- Mounting: DIN rail module
- Operating Temperature: –20°C to +70°C
- Industrial Protection: High EMC immunity
- Country of Origin: Denmark
Datasheet PR 4131 Universal Trip Amplifier
Environmental Conditions
| Operating temperature | -20°C to +60°C |
| Calibration temperature | 20…28°C |
| Relative humidity | < 95% RH (non-cond.) |
| Protection degree | IP20 |
Mechanical specifications
| Dimensions (HxWxD) | 109 x 23.5 x 104 mm |
| Dimensions (HxWxD) w/ 4501 / 4511 | 109 x 23.5 x 116 / 131 mm |
| Weight approx. | 170 g |
| Weight incl. 4501 / 4511 (approx.) | 185 g / 270 g |
| Wire size | 1 x 2.5 mm2 stranded wire |
| Screw terminal torque | 0.5 Nm |
| Vibration | IEC 60068-2-6 |
| 2…13.2 Hz | ±1 mm |
| 13.2…100 Hz | ±0.7 g |
Common specifications
Supply | |
| Supply voltage, universal | 21.6…253 VAC, 50…60 Hz or 19.2…300 VDC |
| Max. required power | ≤ 2.0 W |
Isolation voltage | |
| Isolation voltage, test / working | 2.3 kVAC / 250 VAC |
Response time | |
| Temperature input (0…90%, 100…10%) | ≤ 1 s |
| mA / V input (0…90%, 100…10%) | ≤ 400 ms |
Auxiliary supplies | |
| 2-w. supply (term. 44…43) | 25…16 VDC / 0…20 mA |
| Fuse | 400 mA SB / 250 VAC |
| Programming | Communication enabler 4511 / Programming front 4501 |
| Signal / noise ratio | Min. 60 dB (0…100 kHz) |
| Accuracy | Better than 0.1% of selected range |
| EMC immunity influence | < ±0.5% of span |
| Extended EMC immunity: NAMUR NE 21, A criterion, burst | < ±1% of span |
Input specifications
RTD input | |
| RTD type | Pt10/20/50/100/200/250; Pt300/400/500/1000; Ni50/100/120/1000; Cu10/20/50/100 |
| Cable resis ce per wire (max.) | 50 Ω |
| Sensor current | Nom. 0.2 mA |
| Effect of sensor cable resis ce (3-/4-wire) | < 0.002 Ω / Ω |
| Sensor error detection | Yes |
| Short circuit detection | < 15 Ω |
Linear resis ce input | |
| Linear resis ce min….max. | 0 Ω…10000 Ω |
Potentiometer input | |
| Potentiometer min….max. | 10 Ω…100 kΩ |
TC input | |
| Thermocouple type | B, E, J, K, L, N, R, S, T, U, W3, W5, LR |
| Cold junction compensation (CJC) via ext. sensor in connector 5910 | 20…28°C ≤ ±1°C, -20…20°C / 28…70°C ≤ 2°C |
| CJC via internally mounted sensor | ±(2.0°C + 0.4°C * Δt) |
| Δt = | Internal temperature-ambient temperature |
| Sensor error detection | Yes |
| Sensor error current: When detecting / else | Nom. 2 μA / 0 μA |
Current input | |
| Measurement range | 0…20 mA |
| Programmable measurement ranges | 0…20 and 4…20 mA |
| Input resis ce | Nom. 20 Ω + PTC 50 Ω |
Voltage input | |
| Measurement range | 0…12 VDC |
| Programmable measurement ranges | 0/0.2…1, 0/1…5, 0/2…10 VDC |
| Input resis ce | Nom. 10 MΩ |
Output specifications
Relay output | |
| Relay functions | Setpoint, Window, Sensor error, Latch, Power and Off |
| Hysteresis | 0…100% |
| ON and OFF delay | 0…3600 s |
| Max. voltage | 250 VRMS |
| Max. current | 2 AAC or 1 ADC |
| Max. AC power | 500 VA |
| Sensor error reaction | Break / Make / Hold |
| *of span | = of the currently selected measurement range |
Observed authority requirements
| EMC | 2014/30/EU |
| LVD | 2014/35/EU |
Approvals
| FM | 3025177 |
| UL | UL 508 |
| EAC | TR-CU 020/2011 |
| DNV-GL Marine | S d. f. Certific. No. 2.4 |
| EU RO Mutual Recognition Type Approval | MRA000000Z |
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