
2903241
SKU
PHX2903241
MPN
SCK-M-I-8S-20A
Weight
0.323 kg
Series SCK-M-I
SCK-M-I-8S-20A - PV string monitoring module
SCK measuring module for monitoring photovoltaic systems, 8 x current measurement up to 20 A, 1 x digital input, interface to SCK communication module, interface to voltage measuring module
Technical Specifications
Product properties
| Product family | SOLARCHECK |
Insulation characteristics
| Pollution degree | 2 |
Electrical properties
| Maximum power dissipation for nominal condition | 1.15 W |
| Protective circuit | Surge protection; 33 V suppressor diode |
Supply
| Supply Voltage Range | via the SOLARCHECK communication module |
| Own current consumption | 43 mA (typical) |
| Own current consumption | 50 mA (maximum) |
Signal: digital
| Description of the input | Digital input |
| Available Input Sources | Floating switch contacts |
| Cable Length | ≤ 30 m |
Signal: analog
| Description of the input | Analog input |
| Voltage input signal | 0 V ... 10 V |
Measurement
| Number of Inputs | 8 |
| Input current range | 0 A DC ... 20 A DC (UL: 0 A DC...25 A DC) |
| Reverse current detection | -1 A DC ... 0 mA |
| LSB: Current | 20 mA |
| Overload capacity | 5 x IN |
| Temperature coefficient, typical | 0.02 %/K (TK20) |
| Maximum transmission error | ± 1 % (From the measuring range final value) |
Connection data
| Connection Method | Screw connection |
| 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 ... 12 |
| Tightening torque | 0.5 Nm ... 0.6 Nm |
Data: Data interface to SCK-C-MODBUS
| Transmission length | ≤ 300 m (0.14 mm²) |
| Transmission length | ≤ 500 m (1.5 mm²) |
| Protocols Supported | Proprietary |
Item dimensions
| Width | 22.5 mm |
| Height | 102 mm |
| Depth | 128.5 mm |
Circular conductor
| Diameter | 9.5 mm |
Ambient conditions
| Degree of Protection | IP20 |
| Ambient Temperature (Operation) | -20 °C ... 70 °C |
| Ambient temperature (storage/transport) | -40 °C ... 85 °C |
| Altitude | ≤ 2000 m |
| Permissible humidity (operation) | ≤ 95 % (non-condensing) |
CE
| Certificate | CE-compliant |
UL, USA/Canada
| Identification | 508 Listed |
UL, USA
| Identification | 1741 Recognized |
EMC data
| Low Voltage Directive | Conformance with Low Voltage Directive |
| Noise immunity | EN 61000-6-2 |
| Note | When being exposed to interference, there may be minimal deviations. |
| Electromagnetic compatibility | Conformance with EMC directive |
| Noise emission | EN 61000-6-4 |
Standards and Regulations
| Standards/regulations | EN 61010-1 |
| Standards/regulations | EN 61010-2-30 |
Mounting
| Mounting Type | DIN rail: 35 mm |
| Mounting Type | DIN rail mounting |
Why Proax for Phoenix Contact 2903241?
Proax is an authorized distributor of Phoenix Contact 2903241 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



















