Description

Tigo TS4-A-2F Dual Module-Level Rapid Shutdown Device

The Tigo TS4-A-2F is an advanced dual-module rapid shutdown device designed to provide NEC-compliant module-level rapid shutdown for two photovoltaic modules using a single unit. Engineered for residential, commercial, and utility-scale solar installations, the TS4-A-2F enhances system safety while reducing hardware requirements, installation time, and balance-of-system costs.

Compatible with standard PV modules and hundreds of leading inverter models, the TS4-A-2F complies with NEC 2017, 2020, and 2023 rapid shutdown requirements when installed with a Tigo RSS Transmitter or a Tigo-certified inverter featuring an integrated transmitter.

Dual-Module Rapid Shutdown

Unlike traditional rapid shutdown devices that protect a single module, the TS4-A-2F provides module-level rapid shutdown for two PV modules with one device.

Benefits include:

• Protects two modules with a single unit
• Reduces equipment costs
• Simplifies installation
• Fewer rooftop components
• Lower balance-of-system (BOS) costs
• Ideal for large residential and commercial arrays

NEC-Compliant Rapid Shutdown

The TS4-A-2F is designed to meet the latest electrical safety standards.

• Complies with NEC 2017, 2020, and 2023 Section 690.12
• UL 1741 PVRSE and PVRSS compliant
• Automatic rapid shutdown upon AC grid loss
• Improves firefighter and installer safety
• Suitable for new installations and retrofit projects

Universal Inverter & Module Compatibility

The TS4-A-2F integrates easily with a wide range of photovoltaic systems.

• Compatible with hundreds of inverter models
• Works with standard PV modules
• Compatible with Tigo RSS Transmitters
• Compatible with Tigo-certified inverters
• Suitable for residential, commercial, and utility-scale applications

Supports High-Power Solar Modules

Designed to accommodate today’s high-output PV modules, including bifacial technologies.

• Two module inputs
• Maximum power: 1,400W total (700W per input) for 25A models
• Supports high-current bifacial modules
• Maximum input voltage: 80V per module
• Maximum system voltage: 1000V or 1500V (model dependent)
• Available in 20A and 25A current ratings

Fast & Simple Installation

The TS4-A-2F is designed for quick installation on new or existing PV systems.

• Snaps directly onto standard PV module frames
• Can also be mounted to racking systems
• Minimal additional wiring required
• Simplifies rapid shutdown compliance
• Excellent solution for retrofit applications

Power Line Communication (PLC)

The TS4-A-2F communicates using Power Line Communication (PLC) technology over existing PV conductors.

Benefits include:

• No separate communication wiring
• Reliable rapid shutdown signaling
• Simplified system architecture
• Reduced installation costs
• Dependable long-term communications

Built for Harsh Outdoor Environments

Designed for decades of reliable outdoor operation.

• IP68 / NEMA 3R rated enclosure
• Operating temperature: -40°C to +85°C
• Maximum installation elevation: 3,000 m (9,840 ft)
• Rugged weather-resistant construction
• Corrosion-resistant design

Product Specifications

• Number of Module Inputs: 2
• Maximum Module Power: 1,400W (700W per input)
• Maximum Input Voltage: 80V per input
• Voltage Range (VMP): 16–80V per input
• Maximum System Voltage: 1000V / 1500V (model dependent)
• Maximum Efficiency: 99.9%
• Maximum Output Current: Up to 20A
• Communication: Power Line Communication (PLC)
• Connectors: MC4 or EVO2 (model dependent)
• Rapid Shutdown Time: Less than 30 seconds
• Warranty: 25 Years

Key Features

• Dual-module rapid shutdown device
• NEC 2017, 2020 & 2023 compliant
• Supports high-current bifacial modules
• 1,400W maximum total module power
• 700W maximum per module input
• Power Line Communication (PLC)
• Automatic shutdown during grid loss
• Universal inverter compatibility
• MC4 and EVO2 connector options
• 25-year manufacturer warranty

Ideal Applications

• Residential rooftop solar systems
• Commercial rooftop installations
• Utility-scale photovoltaic systems
• Solar carports
• Existing PV system retrofits
• New solar installations
• High-power bifacial module arrays

SKU

TS4-A-2F

Why Choose the Tigo TS4-A-2F?

The Tigo TS4-A-2F delivers industry-leading module-level rapid shutdown protection for two solar modules in a single compact device. By reducing component count while maintaining NEC compliance, high-power module compatibility, and universal inverter support, it offers a cost-effective and reliable rapid shutdown solution for modern residential, commercial, and utility-scale solar installations.

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