APsmart – Dual Core Rapid Shutdown Transmitter

The APsmart Dual Core Rapid Shutdown Transmitter is a critical component designed for safe and code-compliant photovoltaic installations. This device enables module-level rapid shutdown in solar systems, ensuring compatibility with inverters, microinverters, and grid-tie configurations. Engineered for reliable communication between the transmitter and rapid shutdown devices, it provides an essential layer of safety while maintaining optimal system performance under NEC requirements.

Key Features:

• Dual-core design compatible with APsmart Rapid Shutdown Receivers and corresponding PV modules
• Meets NEC 2017 and NEC 2020 module-level rapid shutdown requirements
• Supports system voltages up to 1000 Vdc for large-scale residential and commercial arrays
• RS485 communication interface ensures reliable signal transmission to connected modules
• Input power via inverter AC output or external power adapter
• Compact DIN rail mount design for easy installation near inverters or combiner boxes
• IP65-rated enclosure with -40°C to +85°C operating temperature range
• Compatible with major inverter brands and grid-tied solar power systems

The APsmart Dual Core Rapid Shutdown Transmitter is ideal for solar installers and system designers who need a compliant rapid shutdown solution for modern PV arrays. Suitable for grid-tie and hybrid inverter systems, this transmitter ensures reliable shutdown performance across rooftops and ground-mounted installations, supporting safe and efficient solar energy production in residential, commercial, and industrial projects.