MACX MCR-EX-AP-2REL-2DI-LP
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Relay module
1292331
Ex i-Relay module isolates binary Ex i and non Ex i signal and control circuits, and is used for intrinsically safe activation of Ex i field currents via one changeover contact relay per channel. number of channels: 2, Standard configuration, Loop-powered, 4-way isolation, Safety Integrity Level (SIL, IEC 61508): 2, Screw connection
Product details
| Notes on operation | Installation conditions influence the ambient temperature. Please refer to the operating instructions. |
| Product type | Relay Module |
| Product family | MACX Analog |
| No. of channels | 2 |
| Electrical isolation | 4-way isolation |
| Electrical isolation Input/output IEC/EN 60079-11 | |
| Standards/regulations | IEC/EN 60079-11 |
| Rated insulation voltage | 375 VPP |
| Electrical isolation Input 1 / input 2 | |
| Test voltage | 350 V (50 Hz, 60 s) |
| Supply | |
| Supply voltage range | loop-powered, no external supply necessary |
| Power dissipation | ≤ 0.4 W |
| Control | |
| Description of the input | Control input, not intrinsically safe |
| Voltage input signal | 12 V ... 31.2 V (Switching signal) |
| Current consumption | < 25 mA (12 V) |
| < 17 mA (24 V ... 31.2 V) | |
| Switching: Relay | |
| Output description | intrinsically safe |
| Contact switching type | 1 changeover contact per channel |
| Minimum switching voltage | 1 V (1 mA) |
| Maximum switching voltage | 45 V DC (0.25 A) |
| 30 V DC (4 A) | |
| 45 V AC (4 A, cos ϕ >0.7) | |
| Typical response time | ≤ 10 ms |
| Typical turn-off time | ≤ 10 ms |
| Switching frequency | ≤ 15 Hz |
| 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 |
| Ex installation (EPL) | Gc |
| Ex i circuits (EPL) | Ga |
| Da | |
| Ma | |
| Safety data | |
| Input voltage Ui | 45 V AC |
| Input current Ii | 4 A |
| Max. internal inductance Li | negligible |
| Max. internal capacitance Ci | negligible |
| Safety-related maximum voltage Um | 253 V AC |
| Safety data | |
| Input voltage Ui | 45 V DC |
| Input current Ii | 0.25 A |
| Max. internal inductance Li | negligible |
| Max. internal capacitance Ci | negligible |
| Safety-related maximum voltage Um | 253 V AC |
| Safety data | |
| Input voltage Ui | 30 V DC |
| Input current Ii | 4 A |
| Max. internal inductance Li | negligible |
| Max. internal capacitance Ci | negligible |
| Safety-related maximum voltage Um | 253 V AC |
| Dimensional drawing |
|
| Width | 17.5 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) |
| Flammability rating according to UL 94 | V0 |
| Housing material | PA 6.6 |
| 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 ... 70 °C (Group assembly: vertical DIN rail without circulating air) | |
| -20 °C ... 70 °C (Group assembly: vertical DIN rail with circulating air) | |
| -20 °C ... 70 °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) |
| ATEX | |
| Identification | II (1) G [Ex ia Ga] IIC |
| II (1) D [Ex ia Da] IIIC | |
| II 3(1) G Ex ec nC [ia Ga] IIC T4 Gc | |
| I (M1) [Ex ia Ma] I | |
| IECEx | |
| Identification | [Ex ia Ga] IIC |
| [Ex ia Da] IIIC | |
| Ex ec nC [ia Ga] IIC T4 Gc | |
| [Ex ia Ma] I | |
| Safety Integrity Level (SIL, IEC 61508) | |
| Identification | 2 |
| Electromagnetic compatibility | Tested in accordance with the following standards and regulations: EN 61326-1 For industrial use, NAMUR NE 21 |
| Electrical isolation | 4-way isolation |
| Mounting type | NS 35/15, NS 35/7,5 |
| Mounting position | vertical, horizontal |
