Eurotherm ESwitch
Mechanical contactors controlling heating elements may operate MILLIONS of times per year. The lifetime of these contactors is 1-3 years, so they need to be replaced many times over the lifetime of an industrial machine.
Eurotherm’s ESwitch is entirely electronic, and it can last up to seven times longer than a mechanical contactor.
The ESwitch clips onto a DIN rail and is self-powered – there is nothing to configure.
This is the ideal drop-in replacement for your old mechanical contactor.
The ESwitch is rated up to 500 volts and 50 amps.

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Watlow Series CZR
The Watlow CZR provides a low-cost, highly compact and versatile solid state option for controlling electric heat.
The CZR is available in VAC/VDC input contactor versions with zero-cross fired contactor output. Installation is simple and quick with both DIN-rail and back panel mounting standard.
The extensive capabilities of the CZR include single-phase, 18-42 amp zero-cross switching up to 600VAC. The unique integrated design removes the guesswork associated with selecting a proper heat sink while providing precise terminations for the application.

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