Technical Documentation – Sinotimer SVP-60

The Sinotimer SVP-60 is an automatic overvoltage and undervoltage protection device, designed for single-phase 230V AC electrical installations. It continuously monitors the network voltage and automatically disconnects the power supply when values exceed the allowed limits, reconnecting the circuit once the voltage returns to normal levels.

Recommended for protecting household appliances, electronic equipment, and electrical installations from voltage fluctuations.

Main Features

• Overvoltage protection
• Undervoltage protection
• Automatic reconnection after voltage stabilization
• Current LED indicator
• Protection status LED indicator
• Mounting on 35 mm DIN rail
• Fully automatic operation
• Compact dimensions

Technical Specifications

• Brand: Sinotimer
• Model: SVP-60
• Product type: Automatic voltage protection
• Rated current: 40A
• Rated voltage: 230V AC
• Frequency: 50/60Hz
• Overvoltage protection limit (Uvo): 270 ±5V
• Undervoltage protection limit (Uve): 170 ±5V
• Release time: ≤1 second
• Reconnection time: ≤60 seconds
• Number of poles: 2P (Phase + Neutral)
• Mounting: 35 mm DIN rail
• Certification: CE

Operation

• Continuously monitors the network voltage.
• Automatically disconnects the power supply in case of overvoltage or undervoltage.
• After voltage returns to normal limits, automatically reconnects the circuit after a predetermined safety delay.
• The green LED indicates normal operation, while the red LED indicates protection activation.

Applications

• Residences
• Apartments
• Offices
• Shops
• Electrical panels
• Heating system protection
• Air conditioning protection
• Refrigerator and freezer protection
• Electronic equipment protection

Advantages

• Automatic protection without user intervention
• Automatic reconnection after voltage stabilization
• Reduces the risk of damage to electrical devices
• Quick installation on DIN rail
• Compact size
• High reliability

Wiring Diagram

• The input is connected to the electrical network (L and N).
• The output is connected to the consumers.
• Installation after the main circuit breaker (MCB) is recommended, according to the manufacturer’s wiring diagram.

The Package Includes

• 1 × Sinotimer SVP-60 automatic protection device
• User manual

Warnings

• The product is intended exclusively for single-phase 230V AC networks.
• Installation must be performed only by a certified electrician.
• Follow the maximum allowed current of 40A and the manufacturer’s recommended wiring diagram.