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3TH80 40E

The Siemens 3TH8040E is a compact contactor relay from the SIRIUS 3TH series, designed for control and switching applications in industrial automation. This 4-pole relay offers reliable performance in motor control, power distribution, and general switching applications.

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TEL：400-887-3214
Mail：jilineasyyi@outlook.com
Q Q：615739355
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Key Specifications
Electrical Characteristics

Rated Operational Current: 16A (AC-1), 9A (AC-3)

Rated Insulation Voltage: 690V AC

Coil Voltage Options: 24V DC/AC, 110V AC, 230V AC (specific model dependent)

Switching Capacity:

AC-1: 4kW (400V)

AC-3: 3kW (400V)

Contact Configuration

4 NO (Normally Open) main contacts

Auxiliary Contacts: Configurable with snap-on modules (up to 4NO+4NC)

Mechanical Design

Compact DIN rail mounting (35mm)

Screw-type terminals (accepts 0.5-4mm² conductors)

Protection Degree: IP20

Mechanical Life: 10 million operations

Electrical Life: 100,000 operations (AC-3)

Special Features

Modular design for easy expansion

LED status indicator (optional)

Surge suppression for coil protection

Standards Compliance

IEC/EN 60947-4-1

UL 508

CE, RoHS compliant

Typical Applications
Motor control circuits (pumps, fans, compressors)

Industrial automation systems

HVAC control

Lighting control systems

Power distribution panels