Official DistributorSKU
MPN
MACX MCR-EX-SL-NAM-HO
Weight
0.169 kg
MACX MCR-EX-SL-NAM-HO - Isolation amplifier
Ex i NAMUR signal conditioners. For operating Ex i proximity sensors and switches in hazardous areas. Passive transistor output (resistive, Honeywell-compatible), line fault transparency, up to SIL 2 according to IEC 61508; screw connection.
- Signal input: intrinsically safe [Ex ia]; for NAMUR proximity sensors (EN 60947-5-6) or switch contacts
- Signal output with resistive behavior (transistor), compatible with FC-RUSIO-3224 and FC-RUSLS-3224 universal safety IO modules from Honeywell
- Signal output with line fault transparency, line fault indication directly via the signal output
- Up to 5 kHz switching frequency
- Direction of operation can be selected
- Line fault detection (LFD) can be enabled and disabled
- SIL 2 according to IEC/EN 61508
- 3-way electrical isolation
- Power supply and error indication possible via DIN rail connector
- Plug-in connection terminals, screw connection technology
- Installation in zone 2 permitted
- Housing width: 12.5 mm
Technical Specifications
Product properties
| Product family | MACX Analog |
| No. of channels | 1 |
| Type | Ex i signal conditioners with SIL functional safety |
| Configuration | DIP switches |
Insulation characteristics: GB Standard
| Overvoltage category | II |
| Pollution degree | 2 |
Functionality
| Configuration | DIP switches |
Electrical properties
| Electrical isolation | 3-way isolation |
| Electrical isolation between input and output | yes |
| Maximum power dissipation for nominal condition | 1 W |
Electrical isolation Input/output
| Electrical isolation | 375 V (Peak value in accordance with IEC/EN 60079-11) |
Electrical isolation Input/output/supply, DIN rail connector
| Rated Insulation Voltage | 300 Vrms |
| Test voltage | 2.5 kV AC (50 Hz, 60 s) |
| Insulation | Safe isolation in accordance with IEC/EN 61010-1 |
Electrical isolation Input/supply, DIN rail connector
| Electrical isolation | 375 V (Peak value in accordance with IEC/EN 60079-11) |
Supported controller HONEYWELL RUSIO
| Suitable I/O card | FC-RUSIO-3224 |
Supply
| Nominal Supply Voltage | 24 V DC |
| Supply Voltage Range | 9.6 V DC ... 30 V DC (12 V DC ... 24 V DC (-20 % ... +25 %)) |
| Power dissipation | < 0.6 W |
| Power consumption | < 600 mW |
Signal: NAMUR
| Description of the input | Intrinsically safe |
| Number of Inputs | 1 |
| Available Input Sources | NAMUR proximity sensors (IEC/EN 60947-5-6) |
| Available Input Sources | Floating switch contacts |
| Available Input Sources | Switch contacts with resistance circuit |
| Switching threshold "0" signal current | < 1.2 mA (blocking) |
| Switching threshold "1" signal, current | > 2.1 mA (conductive) |
| Switching hysteresis | < 0.2 mA |
| Line fault detection | < 0.05 mA ... 0.35 mA (Line break) |
| Line fault detection | < 100 Ω ... 360 Ω (Short circuit) |
| Line fault detection | Activated /deactivated via DIP switch |
| Non-load voltage | 8 V DC |
Signal
| Number of Outputs | 1 |
Connection data
| Connection Method | Screw connection |
| Stripping length | 7 mm |
| Screw thread | M3 |
| Conductor cross section rigid | 0.2 mm² ... 2.5 mm² |
| Conductor cross section flexible | 0.2 mm² ... 2.5 mm² |
| Conductor cross section AWG | 24 ... 14 |
| Tightening torque | 0.5 Nm ... 0.6 Nm |
Test socket
| Max. diameter | 2.3 mm |
Safety data
| Max. internal inductance Li | negligible |
| Max. internal capacitance Ci | negligible |
| Max. output voltage Uo | 9.6 V |
| Max. output current Io | 10 mA |
| Max. output power Po | 25 mW |
| Safety-related maximum voltage Um | 253 V AC/DC |
| IIA (simple circuit): Max. external inductivity Lo / Max. external capacitance Co | 1000 mH / 210 µF |
| IIB/IIIC (simple circuit): Max. external inductivity Lo / Max. external capacitance Co | 1000 mH / 26 µF |
| IIC (simple circuit): Max. external inductivity Lo / Max. external capacitance Co | 300 mH / 3.6 µF |
| IIB/IIA/IIIC (mixed circuit): Max. external inductivity Lo / Max. external capacitance Co | 100 mH / 1 µF, 5 mH / 1 µF, 1 mH / 1 µF, 10 µH / 1 µF |
| IIC (mixed circuit): Max. external inductivity Lo / Max. external capacitance Co | 100 mH / 510 nF, 50 mH / 580 nF, 5 mH / 600 nF, 1 mH / 600 nF, 10 µH / 600 nF |
Data
| No. of channels | 0 |
Signaling
| Status display | Green LED (supply voltage) |
| Status display | LED yellow (switching state) |
| Status display | Red LED (line errors) |
Dimensions
| Width | 12.5 mm |
| Height | 112.5 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
| Color | gray (RAL 7042) |
| Flammability rating according to UL 94 | V0 (Housing) |
| Housing Material | PA 6.6-FR |
Safety data
| Safety Integrity Level (SIL) | 2 |
| Safety Integrity Level (SIL) | 2 |
Ambient conditions
| Degree of Protection | IP20 (not assessed by UL) |
| Ambient Temperature (Operation) | -20 °C ... 60 °C (Any mounting position) |
| Ambient temperature (storage/transport) | -40 °C ... 80 °C |
| Altitude | ≤ 2000 m |
| Permissible humidity (operation) | 10 % ... 95 % (non-condensing) |
CE
| Certificate | CE-compliant |
| Note | and EN 61326 |
ATEX
| Identification | II (1) G [Ex ia Ga] IIC |
| Identification | II (1) D [Ex ia Da] IIIC |
| Identification | II 3G Ex nA IIC T4 Gc X |
| Certificate | IBExU 12 ATEX 1169 |
IECEx
| Identification | [Ex ia Ga] IIC |
| Identification | [Ex ia Da] IIIC |
| Identification | Ex nA IIC T4 Gc |
| Certificate | IECEx IBE 12.0018X |
CCC / China-Ex
| Identification | [Ex ia Ga] IIC |
| Identification | [Ex iaD] |
| Identification | Ex nA [ia Ga] IIC T4 Gc |
| Certificate | NEPSI GYJ20.1314X |
UL, USA/Canada
| Identification | UL 61010 Listed |
| Certificate | , C.D.-No 83104549 |
Safety Integrity Level (SIL, IEC 61508)
| Identification | 2 |
EAC Ex
| Identification | [Ex ia Ga] IIC |
| Identification | [Ex ia Da] IIIC |
| Certificate | RU C-DE.AB72.B.00093/19 |
INMETRO
| Identification | [Ex ia Ga] IIC |
| Identification | [Ex ia Da] IIIC |
| Identification | Ex nA IIC T4 Gc |
| Certificate | DNV 18.0144 X |
EMC data
| Noise immunity | EN 61000-6-2 |
| Electromagnetic compatibility | Conformance with EMC directive |
| Noise emission | EN 61000-6-4 |
Standards and Regulations
| Electrical isolation | 3-way isolation |
GB Standard
| Standards/regulations | GB 3626.20 |
| Standards/regulations | GB 3836.1 |
| Standards/regulations | GB 3836.4 |
| Standards/regulations | GB 3836.8 |
| Standards/regulations | GB 12476.1 |
| Standards/regulations | GB 12476.4 |
Mounting
| Mounting Type | DIN rail mounting |
Accessories
ME 6,2 TBUS-2 1,5/5-ST-3,81 GY - DIN rail connector (TBUS), 5-pos., for bridging the supply voltage, can be snapped onto NS 35/... DIN rail in accordance with EN 60715
MACX MCR-PTB-SP - Power and fault signaling module with Push-in connection, including corresponding ME 17,5 TBUS 1,5/ 5-ST-3,81 GY DIN rail connector
TC-D37SUB-AIO16-EX-PS-UNI - Universal termination carrier for connecting 16 MACX Analog Ex i signal conditioners to digital or analog I/O cards, via D-SUB connector, 37-pos. (1:1 connection), with HART multiplexer connection
TC-D37SUB-ADIO16-EX-P-UNI - Universal termination carrier for connecting 16 MACX Analog Ex i signal conditioners to digital or analog I/O cards, via D-SUB connector, 37-pos. (1:1 connection)
Why Proax for Phoenix Contact 2907404?
Proax is an authorized distributor of Phoenix Contact 2907404 and one of Phoenix Contact's largest distributors in North America. Our highly skilled in-house technical team is ready to assist with any technical needs.
Have a question in mind? to help you get the right product as quickly as possible for your project. We're always here to help!
Short Lead Time
Highly Trained Staff
Live Chat
Technical Support
Local Inventory
60+ Years Experience
Additional Information
| Pack Size | 1 |
Recommended
MACX MCR-EX-SL-NAM-HO-SP - Ex i NAMUR signal conditioners. For operating Ex i proximity sensors and switches in hazardous areas. Passive transistor output (resistive, Honeywell-compatible), line fault transparency, up to SIL 2 according to IEC 61508; Push-in connection.
MACX MCR-EX-SL-NAM-NAM - Ex i NAMUR signal conditioner for operating Ex i proximity sensors and switches in the Ex area. Passive transistor output (resistive in accordance with EN 60947-5-6), line fault transparency, up to SIL 2 in accordance with IEC 61508, screw connection
MACX MCR-EX-SL-NAM-NAM-SP - Ex i NAMUR signal conditioner for operating Ex i proximity sensors and switches in the Ex area. Passive transistor output (resistive in accordance with EN 60947-5-6), line fault transparency, up to SIL 2 in accordance with IEC 61508, Push-in connection
MACX MCR-EX-SL-NAM-R - Ex i NAMUR signal conditioner. For operating proximity sensors and switches in a potentially explosive area. The signals are transmitted by a relay output (changeover contact) to a safe area. Line fault detection (LFD), 3-way isolation, SIL 2.
MACX MCR-EX-SL-NAM-R-SP - Ex i NAMUR signal conditioner. For operating proximity sensors and switches in a potentially explosive area. The signals are transmitted by a relay output (changeover contact) to a safe area. Line fault detection (LFD), 3-way isolation, SIL 2.
MACX MCR-EX-SL-NAM-YO - Ex i NAMUR signal conditioners. For operating Ex i proximity sensors and switches in hazardous areas. Passive transistor output (resistive, Yokogawa-compatible), line fault transparency, up to SIL 2 according to IEC 61508; screw connection.
MACX MCR-EX-SL-NAM-YO-SP - Ex i NAMUR signal conditioners. For operating Ex i proximity sensors and switches in hazardous areas. Passive transistor output (resistive, Yokogawa-compatible), line fault transparency, up to SIL 2 according to IEC 61508; Push-in connection
MACX MCR-EX-SL-NAM-2RO - Ex i NAMUR isolating amplifier For operating proximity sensors and switches in Ex areas. The signals are transmitted via 2 relay outputs (N/O contact) to the safe area. Line fault detection (LFD), 3-way isolation, SIL 2.
MACX MCR-EX-SL-NAM-2RO-SP - Ex i NAMUR isolating amplifier For operating proximity sensors and switches in Ex areas. The signals are transmitted via 2 relay outputs (N/O contact) to the safe area. Line fault detection (LFD), 3-way isolation, SIL 2.
MACX MCR-EX-SL-NAM-2T - Ex i NAMUR isolating amplifier For operating proximity sensors and switches in Ex areas. The signals are transmitted via 2 transistor outputs (passive) to the safe area. Line fault detection (LFD), 3-way isolation, SIL 2.
Ex i NAMUR isolating amplifier for operating proximity sensors and switches in the Ex area. The signals are transmitted via 2 transistor outputs (passive) to the safe area. Line fault detection (LFD), 3-way isolation, SIL 2.
MACX MCR-EX-SL-IDSI-I, Ex i output signal conditioner, HART Isolates and sends intrinsically safe 0/4-20 mA signals to a load (I/P converters, control valves, displays) in Ex areas. Electrical 3-way isolation, wire break recognition, SIL 2 in accordance with IEC 61508.
MACX MCR-EX-SL-IDSI-I-SP, Ex i output signal conditioner, HART. Isolates and sends intrinsically safe 0/4-20 mA signals to a load (I/P converters, control valves, displays) in Ex areas. Electrical 3-way isolation, wire break recognition, SIL 2 in accordance with IEC 61508, spring-cage connection.
