Relay Y3F-SS-109DM 9V DC/250V AC 10A, 4-pin

The electromechanical relay Y3F-SS-109DM is designed for switching loads using a low-voltage control signal of 9 V DC. It is suitable for common applications in power supplies, control units, automation and switching of mains and DC circuits while maintaining the nominal parameters of the contacts.

Technical specifications

• Model: Y3F-SS-109DM
• Type: electromechanical power relay, THT
• Number of pins: 4
• Contact type: 1× changeover (SPDT, 1 Form C)
• Coil control voltage: 9 V DC
• Switching voltage (contacts): 250 V AC
• Max. switching current: 10 A
• Coil resistance: 406 Ω
• Dimensions: 19.6 × 15.4 × 15.5 mm

Functions and features

• Galvanic isolation of the control part (coil) from the switching part (contacts)
• Suitable for switching both AC and DC loads within the nominal parameters of the contacts
• Through-hole mounting into PCB (THT) for solid mechanical attachment

Package contents

• 1× relay Y3F-SS-109DM

Safety notice

• There is a risk of electric shock when switching 230–250 V AC; only carry out installation and connection when the power supply is disconnected.
• Observe the insulation distances on the PCB and use appropriate protection and shielding according to the switched load.
• Do not exceed the rated voltage and current of the contacts; use appropriate suppression for inductive loads.