View larger
Images are for illustrative purposes only. Please refer to data sheet for details
MACX MCR-EX-AP-RTD-RTD-SP 1291955 PHOENIX CONTACT Ex i-resistance insulator transformer is used for intrinsi..
MACX MCR-EX-AP-RTD-RTD-SP
1291955
PHOENIX CONTACT
1 Pcs.
Ex i-resistance insulator transformer is used for intrinsically safe service of Pt 100 heat resistors in the technology of 2, 3 or 4 conductors and resistance transmitters. The measured values at the Ex i input are transmitted 1:1 to the non-Ex i output. Standard configuration, 3-way separation, Push-in connection
Ex i, Resistance Isolating Transformer is used for the intrinsically safe service of Pt 100 resistance thermometers in the technology of 2, 3 or 4 resistance conductors and transmitters. The measured values at the input Ex i are transmitted 1:1 to the output at non-Ex i. 3-Way Separation, Push-in Connection
Ex i-Resistance isolator for intrinsically safe operation of Pt 100 resistance thermometers in 2, 3, or 4-conductor technology and resistance-type sensors. The values measured at the Ex i input are transmitted 1:1 to the non Ex i output. Standard configuration, 3-way isolation, Push-in connection
Automation > Temperature transformer
INTERFACE Components (IF)
Product condition, packaging, certifications and applicable manufacturer warranty terms are confirmed with the quotation.
Request a Quote
Pricing and availability are confirmed for each enquiry. Send this part and we will reply with price and lead time.
Request QuoteProduct Overview
Phoenix Contact MACX MCR-EX-AP-RTD-RTD-SP Ex i-resistance insulator transformer is an Ex i-resistance insulator transformer designed for isolating and transmitting signals in industrial automation systems, protecting control equipment in hazardous environments. Pricing, availability and lead time are confirmed per enquiry through an RFQ.
- General: Accuracy, typically specified as a percentage of the basic measuring range at U N , 23°C: General: Accuracy, typically specified as a percentage of the basic measuring range at U N , 23°C
- General: Sensor set via DIP switches: General: Sensor set via DIP switches
- General: 2-conductor comparison set via DIP switch ADJ: General: 2-conductor comparison set via DIP switch ADJ
- Product type: Temperature transmitter
- Product family: MACX Analog
- No. of channels: 1
- Electrical isolation: 3-way isolation
- Signal transmission behavior: In = Out
- Temperature coefficient, typical: ≤ 0.1 % (10 K)
- Reverse polarity protection: yes
- Rated insulation voltage: 375 V PP
- Electrical isolation Output 1/output 2 Test voltage: 350 V (50 Hz, 60 s)
More info
▲Technical data
Notes
| General | Accuracy, typically specified as a percentage of the basic measuring range at UN, 23°C |
| General | Installation conditions influence the ambient temperature. Please refer to the “Control cabinet installation instructions”. |
| General | Sensor set via DIP switches |
| General | 2-conductor comparison set via DIP switch ADJ |
Product properties
| Product type | Temperature transmitter |
| Product family | MACX Analog |
| No. of channels | 1 |
Electrical properties
| No. of channels | 1 |
| Electrical isolation | 3-way isolation |
| Signal transmission behavior | In = Out |
| Temperature coefficient, typical | ≤ 0.1 % (10 K) |
| Reverse polarity protection | yes |
| Electrical isolation Input/output IEC/EN 60079-11 | |
| Standards/regulations | IEC/EN 60079-11 |
| Rated insulation voltage | 375 VPP |
| Electrical isolation Input/power supply IEC/EN 60079-11 | |
| Standards/regulations | IEC/EN 60079-11 |
| Rated insulation voltage | 375 VPP |
| Electrical isolation Input/error message output IEC/EN 60079-11 | |
| Standards/regulations | IEC/EN 60079-11 |
| Rated insulation voltage | 375 VPP |
| Electrical isolation Input/configuration interface IEC/EN 60079-11 | |
| Standards/regulations | IEC/EN 60079-11 |
| Rated insulation voltage | 375 VPP |
| Electrical isolation Output 1/output 2 | |
| Test voltage | 350 V (50 Hz, 60 s) |
| Electrical isolation Output/supply | |
| Test voltage | 350 V (50 Hz, 60 s) |
| Electrical isolation Output/configuration interface | |
| Test voltage | 350 V (50 Hz, 60 s) |
| Electrical isolation Output/supply/error message output | |
| Test voltage | 350 V (50 Hz, 60 s) |
| Supply | |
| Nominal supply voltage | 24 V DC |
| Supply voltage range | 18 V ... 31.2 V |
| Power dissipation | ≤ 600 mW |
| Power consumption | ≤ 650 mW |
Input data
| Measurement | |
| Description of the input | Intrinsically safe |
| Sensor types (RTD) that can be used | Pt 100 |
| Connection technology | 2-, 3-, 4-conductor |
| Linear resistance measuring range | 18 Ω ... 391 Ω (Pt 100) |
| Max. permissible overall conductor resistance | ≤ 50 Ω (per wire, 2-conductor circuit) |
| ≤ 100 Ω (per wire, 3-, 4-conductor circuit) | |
Output data
| Analog: Resistance thermometer | |
| Output signal Voltage | 2 V DC (Nominal voltage) |
| Output signal Current | 5 mA (Nominal current) |
| Output signal Resistance | 400 Ω |
| Output signal Resistance range | 18 Ω ... 391 Ω (Pt 100) |
| Settling time | < 10 ms (10% ... 90%, multiplexer mode) |
| Setting range | < 1 s (Input/output) |
| Sensor input current | 200 µA ... 5 mA |
| Connection technology | 2-, 3-, 4-conductor |
| Signal: Error message output | |
| Maximum switching voltage | 30 V |
| Max. switching current | 100 mA |
Connection data
| Cross section AWG | (converted acc. to IEC) |
| Connection method | Push-in connection |
| Stripping length | 8 mm |
| Conductor cross section rigid | 0.2 mm² ... 1.5 mm² |
| Conductor cross section flexible | 0.2 mm² ... 1.5 mm² |
| Conductor cross section AWG | 24 ... 16 |
Ex data
| Ex installation (EPL) | Gc |
| Ex i circuits (EPL) | Ga |
| Da | |
| Ma | |
| Safety data | |
| Max. internal inductance Li | negligible |
| Max. internal capacitance Ci | negligible |
| Max. output voltage Uo | 6.5 V |
| Max. output current Io | 16.5 mA |
| Max. output power Po | 27 mW |
| Safety-related maximum voltage Um | 253 V AC |
| IIA (simple circuit): Max. external inductivity Lo/ Max. external capacitance Co | 900 mH / 1000 µF |
| IIB/IIIC (simple circuit): Max. external inductivity Lo/ Max. external capacitance Co | 450 mH / 570 µF |
| IIC (simple circuit): Max. external inductivity Lo/ Max. external capacitance Co | 120 mH / 25 µF |
| I (simple circuit): Max. external inductivity Lo/ Max. external capacitance Co | 1000 mH / 1000 µF |
| IIB/IIIC (mixed circuit): Max. external inductivity Lo/ Max. external capacitance Co | 100 mH / 5.3 µF, 20 mH / 6.9 µF, 2 mH / 11 µF, 0.5 mH / 15 µF |
| IIC (mixed circuit): Max. external inductivity Lo/ Max. external capacitance Co | 50 mH / 1.1 µF, 5 mH / 1.7 µF, 1 mH / 2.3 µF, 0.2 mH / 3.4 µF |
Signaling
| Status display | Green LED (supply voltage) |
| Red LED (line errors) |
Dimensions
| Dimensional drawing | |
| Width | 17.5 mm |
| Height | 107.8 mm |
| Depth | 113.7 mm |
| Depth NS 35/7,5 | 114.5 mm (Snapped onto DIN rail NS 35/7,5 in accordance with EN 60715) |
Material specifications
| Flammability rating according to UL 94 | V0 |
| Housing material | Polyamide (PA 6.6) |
Environmental and real-life conditions
| Ambient conditions | |
| Degree of protection | IP20 (Terminal blocks) |
| IP30 (Housing) | |
| Ambient temperature (operation) | -20 °C ... 70 °C (Stand-alone device: any mounting position) |
| -20 °C ... 60 °C (Group assembly: vertical DIN rail without circulating air) | |
| -20 °C ... 65 °C (Group assembly: vertical DIN rail with circulating air) | |
| -20 °C ... 65 °C (Group assembly: horizontal DIN rail without circulating air) | |
| -20 °C ... 70 °C (Group assembly: horizontal DIN rail with circulating air) | |
| Ambient temperature (storage/transport) | -40 °C ... 80 °C |
| Altitude | ≤ 2000 m |
| Permissible humidity (operation) | ≤ 95 % (non-condensing) |
Approvals
| ATEX | |
| Identification | II (1) G [Ex ia Ga] IIC |
| II (1) D [Ex ia Da] IIIC | |
| II 3 (1) G Ex nA nC [ia Ga] IIC T4 Gc | |
| I (M1) [Ex ia Ma] I | |
| IECEx | |
| Identification | [Ex ia Ga] IIC |
| [Ex ia Da] IIIC | |
| Ex nA nC [ia Ga] IIC T4 Gc | |
| [Ex ia Ma] I | |
EMC data
| Electromagnetic compatibility | Tested in accordance with the following standards and regulations: EN 61326-1 For industrial use, NAMUR NE 21 |
Standards and regulations
| Electrical isolation | 3-way isolation |
Mounting
| Mounting type | NS 35/15, NS 35/7,5 |
| Mounting position | vertical, horizontal |