The SINOTIMER SM7-63 switch is designed to protect direct current (DC) circuits from overloads and short circuits. It is ideal for photovoltaic systems, battery setups, inverters, and other high-voltage DC applications.

The device provides bipolar disconnection, high reliability, and complies with the IEC 60947-2 standard, specifically designed for use in DC circuits up to 1000V.

Technical Specifications

• Manufacturer: SINOTIMER
• Model: SM7-63
• Type: DC Switch
• Number of Poles: 2P (bipolar)
• Rated Current: 25A
• Rated Voltage: 1000V DC
• Frequency Rating: 50/60 Hz
• Breaking Capacity:
• Ics: 7.5 kA
• Icu: 10 kA
• Impulse Voltage (Uimp): 6 kV
Standard: IEC 60947-2
• Mounting: 35 mm DIN rail
• Position Indicator: Mechanical (ON/OFF)
• Material: Fire-resistant plastic
• Certification: CE

Functions and Advantages

• Effective protection against DC overloads
• Quick protection against DC short circuits
• Simultaneous disconnection of both poles
• Suitable for photovoltaic units
• Electrical stability at high voltages
• Compact design for solar platforms

Recommended Applications

• Photovoltaic (PV) systems
• Protection of solar strings
• Energy storage and battery systems
• DC inverters
• DC electrical panels

Brief Usage Instructions

• Install the switch onto a DIN rail.
• Observe the polarity indicated on the product.
• Tighten the terminals securely.
• Check functionality before applying load.

Installation should only be carried out by qualified personnel, in accordance with direct current regulations.