Product Model
MINI MCR-2-T-REL

Key Features
- 1Universally configurable temperature limit value switch with relay output.
- 2Supports fault monitoring and NFC communication for enhanced reliability.
- 3Compatible with 2, 3, and 4-wire resistance thermometers (RTD) and various thermocouples (TC).
- 4Adjustable response delay and internal hysteresis via software settings.
- 5CE-compliant and ATEX certified for safe operation in industrial environments.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| EMC note | EMC: class A product, see manufacturer's declaration in the download area | Product type | Limit value switch |
| Product family | MINI Analog Pro | No. of channels | 1 |
| Type | Signal conditioner | Configuration | DIP switches
Software
App |
| Article revision | 04 | Overvoltage category | II |
| Pollution degree | 2 | Configuration | DIP switches
Software
App |
| Switching point accuracy | < 0.1 % | Step response (0–99%) | 300 ms
570 ms
380 ms
300 ms
570 ms |
| Maximum temperature coefficient | 0.01 %/K | Rated insulation voltage | 300 V |
| Test voltage | 3 kV AC (50 Hz, 60 s) | Insulation | Reinforced insulation according to IEC/EN 61010-1 |
| Nominal supply voltage | 24 V DC | Supply voltage range | 9.6 V DC ... 30 V DC (The DIN rail connector (ME 6,2 TBUS-2 1,5/5-ST-3,81 GN, item no. 2869728) can be used to bridge the supply voltage. It can be snapped onto a 35 mm DIN rail in accordance with EN 60715) |
| Typical current consumption | 44 mA (12 V DC)
22 mA (24 V DC) | Power consumption | 570 mW |
| Number of inputs | 1 | Number of inputs | 1 |
| Configurable/programmable | Yes | Sensor types (RTD) that can be used | Pt, Ni, Cu sensors |
| Sensor types that can be used (TC) | B, E, J, K, N, R, S, T, L, U, A-1, A-2, A-3, M, L | Available input sources | Resistance thermometers
Thermocouples |
| Temperature measuring range | -250 °C ... 2500 °C (RTD) | Temperature measuring range | ≥ 20 K (RTD) |
| Sensor type: | 500 °C ... 1820 °C
-230 °C ... 1000 °C
-210 °C ... 1200 °C
-250 °C ... 1372 °C
-200 °C ... 1300 °C
-50 °C ... 1768 °C
-50 °C ... 1768 °C
-200 °C ... 400 °C
-200 °C ... 900 °C
-200 °C ... 600 °C
0 °C ... 2500 °C
0 °C ... 1800 °C
0 °C ... 1800 °C
-200 °C ... 100 °C
-200 °C ... 800 °C | Sensor input current | 200 µA (RTD) |
| Max. permissible overall conductor resistance | ≤ 25 Ω (Per line, RTD in 3- or 4-conductor technology)
≤ 50 Ω (adjustable, RTD in 2-conductor technology) | Linear resistance measuring range | 0 Ω ... 4000 Ω (RTD) |
| Linear mV signal range | -500 mV ... 500 mV (RTD) | Connection technology | 2-, 3-, 4-conductor |
| Number of outputs | 1 | Contact switching type | 1 N/O contact |
| Contact material | AgSnO | Maximum switching voltage | 250 V AC
30 V DC
240 V AC (UL) |
| Limiting continuous current | 6 A AC
4 A DC | Min. switching current | 100 mA (12 V DC) |
| Max. switching current | 6 A AC (250 V AC)
4 A DC (30 V DC) | Mechanical service life | 2x 10 |
| Setting range of the response delay | 0 s ... 10 s (can be set freely via software) | Internal hysteresis | can be set freely via software |
| Connection method | Screw connection | Stripping length | 10 mm |
| Screw thread | M3 | Conductor cross section rigid | 0.2 mm² ... 1.5 mm² (with ferrule)
0.14 mm² ... 2.5 mm² (without ferrule) |
| Conductor cross section flexible | 0.14 mm² ... 2.5 mm² | Conductor cross section AWG | 24 ... 12 (flexible) |
| Tightening torque | 0.5 Nm ... 0.6 Nm | Ex installation (EPL) | Gc
Div. 2 |
| Connection method | Micro USB type B | Status display | Green LED (supply voltage)
Yellow LED (switching output) |
| Error indication | Red LED | Width | 6.2 mm |
| Height | 109.81 mm | Depth | 119.2 mm |
| Color | gray (RAL 7042) | Housing material | PBT |
| Fire protection for rail vehicles (DIN EN 45545-2) R22 | HL 1 - HL 2 | Fire protection for rail vehicles (DIN EN 45545-2) R23 | HL 1 - HL 2 |
| Fire protection for rail vehicles (DIN EN 45545-2) R24 | HL 1 - HL 2 | Degree of protection | IP20 (not assessed by UL) |
| Ambient temperature (operation) | -40 °C ... 70 °C | Ambient temperature (storage/transport) | -40 °C ... 85 °C |
| Altitude | ≤ 2000 m | Permissible humidity (operation) | 5 % ... 95 % (non-condensing) |
| Certificate | CE-compliant | Identification | II 3G Ex ec ic nC IIC T4 Gc |
| Certificate | BVS 18 ATEX E 071 X | Identification | Ex ec ic nC IIC T4 Gc |
| Certificate | IECEx BVS 18.0060X | Identification | Ex ic ec nC IIC T4 Gc |
| Certificate | 2022122304115965 | Identification | UL 508 Listed
Class I, Div. 2, Groups A, B, C, D T4A
Class I, Zone 2, Group IIC T4A |
| Certificate | DNV GL TAA000021E Rev. 1 | Identification | 2Ex ec ic nC IIC T4 Gc |
| Certificate | BY/112 02.01 TP012 103.01 00081 | Temperature | B |
| Humidity | B | Vibration | A |
| EMC | A | Enclosure | Required protection according to the Rules shall be provided upon installation on board |
| Electromagnetic compatibility | Conformance with EMC directive | Noise immunity | EN 61000-6-2 |
| Note | When being exposed to interference, there may be minimal deviations. | Noise emission | EN 61000-6-4 |
| Standards/regulations | GB/T 3836.1
GB/T 3836.3
GB/T 3836.4
GB/T 3836.8 | Mounting type | DIN rail mounting |
| Assembly note | The DIN rail connector can be used for bridging the supply voltage. It can be snapped onto a 35 mm EN 60715 DIN rail. | Mounting position | any |
Specifications may be subject to change without notice
