Firefighter Safey Switch

Firefighter Safety Switch Manufacturer

A firefighter safety switch is designed to rapidly disconnect DC power from photovoltaic (PV) systems during emergencies, improving safety for firefighters, maintenance personnel, and building occupants.

Technical Specifications

Item	Specification
Product Type	Firefighter Safety Switch / PV Rapid Shutdown Switch
Operating Voltage	100–240 V AC
Nominal Voltage	230 V AC
Startup (Inrush) Current	Average 100 mA
Switching Current	Max. 300 mA
Feedback Contact	24 V DC, Max. 300 mA
Maximum PV System Voltage	Up to 1500 V DC
Maximum Breaking Current	Up to 38 A per String
Operating Temperature	-20°C to +50°C
Storage Temperature	-40°C to +85°C
Protection Class	Class II
Electrical Standard	EN 60947-1, DIN VDE 0100-712
Mechanical Life	2,000 Operations
Electrical Life (Under Load)	＞1,000 Operations
Installation	Outdoor PV Systems
Custom Options	Housing, cable length, connectors, branding, packaging

Core Features

Rapid Emergency Shutdown

Disconnects DC power from photovoltaic strings within seconds during emergencies, helping reduce electrical hazards for firefighters and first responders.

High-Voltage Protection

Designed for modern solar power systems with operating voltages up to 1500 V DC and interrupt currents up to 38 A per string, making it suitable for residential, commercial, and industrial installations.

Safe Maintenance

Allows installers and maintenance personnel to safely isolate PV strings before inspection, servicing, or component replacement, minimizing the risk of electric shock.

Product Catalog

Safety Switch: Standard DC isolation switch designed for rapid shutdown of photovoltaic systems, providing reliable emergency power disconnection for residential and commercial solar installations.

Fireman Switch: Emergency PV disconnect switch that automatically isolates DC power when AC power is interrupted, improving firefighter safety during emergency response and maintenance.

String-level Rapid Shutdown: String-level rapid shutdown solution that disconnects individual PV strings to reduce hazardous DC voltage and meet rapid shutdown requirements for rooftop solar systems.

Applications

Residential Rooftop Solar

Provides rapid DC shutdown for home photovoltaic systems during emergencies and maintenance.

Commercial Rooftop PV

Protects office buildings, warehouses, factories, and commercial solar installations.

Industrial Solar Systems

Ensures safe DC isolation for large-scale industrial photovoltaic projects.

Ground-Mounted Solar Farms

Supports emergency shutdown and routine maintenance for utility-scale PV plants.

Distributed PV Systems

Suitable for schools, hospitals, agricultural facilities, and public infrastructure.

Solar System Maintenance

Allows installers to safely isolate PV strings before inspection, servicing, or component replacement.

Emergency Fire Protection

Helps firefighters reduce electrical hazards during fire rescue operations.

Quality & Compliance

Manufactured under a quality management system.

Functional testing conducted before shipment.

Electrical performance and operation verified for each production batch.

Designed in accordance with EN 60947-1 and DIN VDE 0100-712.

Suitable for long-term outdoor photovoltaic applications.

Why Choose Us

Established Manufacturing Capacity – Two production facilities covering over 23,000 m², including a 3,000 m² high-standard production workshop.

Experienced Engineering Team – Supported by 350 employees, including 75 technical specialists focused on product development and manufacturing.

Complete Manufacturing Capability – Beyond firefighter safety switches, we provide integrated sheet metal fabrication, injection molding, and enclosure manufacturing, offering one-stop production solutions for photovoltaic electrical equipment.

Global Export Experience – Products are supplied to customers in more than 40 countries and regions across Europe, North America, Asia, Oceania, Africa, South America, and the Middle East.

Packaging & Delivery

MOQ

Flexible based on product model and order quantity.

Sample

Available for evaluation before bulk production.

Lead Time

Approximately 3 days for samples and 15–20 days for standard orders.

Packaging

Standard export cartons or customized packaging based on customer requirements.

Shipping

Express, air freight, sea freight, or customer-designated logistics services.

FAQ

Q: What is a firefighter safety switch?

A: It is a rapid shutdown device that disconnects DC power from photovoltaic systems during emergencies or maintenance.

Q: What is the maximum operating voltage?

A: The switch supports photovoltaic systems with voltages of up to 1500 V DC.

Q: What is the maximum breaking current?

A: It can interrupt currents of up to 38 A per string.

Q: Where is this switch commonly used?

A: It is widely used in residential, commercial, industrial, and utility-scale photovoltaic systems.

Q: Is the switch suitable for outdoor installation?

A: Yes. It is designed for reliable operation in outdoor photovoltaic environments.

Q: Can I request a sample?

A: Yes. Samples are available for evaluation before placing bulk orders.

Q: Do you provide OEM and ODM services?

A: Yes. We offer customized branding, housing, connectors, cables, and packaging.

Q: What is the typical lead time?

A: Samples are generally available within 3 days, while standard production orders require approximately 15–20 days.

Q: How is product quality ensured?

A: Each production batch undergoes functional and electrical performance testing before shipment.

Q: Why is rapid shutdown important for PV systems?

A: Rapid shutdown reduces hazardous DC voltage during emergencies, improving safety for firefighters, maintenance personnel, and building occupants.

With over 25 years' experience, we are one of the most reliable firefighter safey switch manufacturers and suppliers in China. We warmly welcome you to buy customized firefighter safey switch made in China here from our factory. If you have any enquiry about cooperation, please feel free to email us.