SSR & Heat Sink (Solid State Relay)
Single-phase solid state relay (16-100A) with 3-32V DC input, heat sink, and protective cover.
SSR & Heat Sink (Solid State Relay)
Single-phase solid state relay (16-100A) with 3-32V DC input, heat sink, and protective cover.
| Specification | Details |
|---|---|
| Load Current | 16 to 100 Amps With Heat Sink |
| Control Input | 3-32V DC |
| Load Output | 24-480V AC |
| Housing | Heavy Duty Protective Case |
Product Overview & Technology
Relays are electrical switches that open and close circuits electromechanically or electronically. Switza offers premium Thermal Overload Relays (LRD series) and Solid-State Relays (SSR) designed to protect industrial motors and control heating elements with extreme accuracy and reliability.
Key Features & Benefits
- check_circleSolid-state options (SSR) offer near-infinite switching lifespans with zero contact wear.
- check_circleThermal overload relays feature adjustable current setting ranges for precise motor protection.
- check_circleBuilt-in phase failure protection and ambient temperature compensation on LRD series.
- check_circleHigh insulation voltage and low power consumption for efficient control panel wiring.
Industrial Applications
- settingsElectric motor overload protection in starters and MCC panels.
- settingsHigh-precision temperature control loops in ovens, extruders, and heaters.
- settingsSignal multiplication and electrical isolation in PLC outputs.
- settingsPneumatic and hydraulic solenoid valve control panels.
Frequently Asked Questions
A thermal overload relay monitors motor current and uses bimetallic strips that bend when heated by excessive current. If the current exceeds the set threshold for a safe duration, the relay trips, cutting off power to the contactor coil and protecting the motor from burning out.
SSRs have no moving parts, offering near-infinite lifespans, zero acoustic noise, faster switching speeds, and resistance to vibration and harsh environments, making them ideal for high-duty temperature control loops.
Yes. SSRs generate heat during operation due to the internal semiconductor voltage drop. For load currents exceeding 10A, mounting the SSR on a properly rated heat sink is essential to prevent thermal failure.
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