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General
The Banner Engineering S15C-3CT150A-MQ-1 is an industrial three-phase AC current monitoring converter designed to measure electrical current using current transformers and transmit measurement data through Modbus communication. It enables electrical current information from industrial equipment and machinery to be integrated into PLCs, controllers and industrial monitoring systems.

Designed for use with three-phase current transformers, this S15C in-line converter supports current monitoring up to 150 A. It operates on a 10–30 V DC supply and provides Modbus RTU communication through an integral M12 quick-disconnect connection. Its rugged overmolded construction and IP65, IP67 and IP68 protection ratings make it suitable for industrial condition-monitoring applications.

Features
- Three-phase AC current monitoring
- Current measurement range up to 150 A
- Current transformer input
- Modbus RTU communication output
- RS-485 communication interface
- 10–30 V DC operating supply
- Current consumption below 50 mA
- Integral M12 male and female connectors
- Compact S15C in-line converter design
- IP65, IP67 and IP68 environmental protection
- Suitable for industrial electrical condition monitoring

Key Specifications
- Brand: Banner Engineering
- Model: S15C-3CT150A-MQ-1
- Manufacturer Part Number: 819920
- Product Type: Three-Phase AC Current Monitoring Converter
- Series: S15C
- Condition Monitoring Type: 3-Phase AC Current
- Current Measurement Range: 0–150 A
- Input Type: Three-Phase Current Transformer
- Output: Modbus
- Communication Protocol: Modbus RTU
- Communication Interface: RS-485
- Supply Voltage: 10–30 V DC
- Current Consumption: Less than 50 mA
- Device Dimensions: 15 × 58 mm
- Connector 1: Integral M12 female, 5-pin
- Connector 2: Integral M12 male, 5-pin
- Enclosure Rating: IP65, IP67, IP68
- Modbus Server: Yes
- Modbus Client: No
- IO-Link: Not supported
- Operating Temperature: -40°C to +70°C

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