Watlow Solid State Relays 0 to 100 VDC 10A 3 to 32 VDC
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£8090
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SSR-100-10A-DC1
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£8090
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SSR-100-10A-AC1
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£8090
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SSR-100-20A-DC1
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£8090
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SSR-100-20A-AC1
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£8574
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SSR-100-25A-DC1
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£8574
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SSR-100-25A-AC1
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£10372
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SSR-100-40A-DC1
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£10372
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SSR-100-40A-AC1
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£10580
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SSR-100-50A-DC1
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£10580
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SSR-100-50A-AC1
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£15144
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SSR-100-75A-DC1
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£15144
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SSR-100-75A-AC1
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£4149
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SSR-240-10A-DC1
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£4149
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SSR-240-10A-RND-RND
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£4149
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SSR-240-10A-AC1
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£4149
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SSR-240-20A-DC1
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£4149
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SSR-240-20A-AC1
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£4633
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SSR-240-25A-DC1
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£4633
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SSR-240-25A-AC1
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£6431
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SSR-240-40A-DC1
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£6431
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SSR-240-40A-AC1
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£6638
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SSR-240-50A-DC1
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£6638
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SSR-240-50A-AC1
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£11202
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SSR-240-75A-DC1
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£11202
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SSR-240-75A-AC1
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£7883
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SSR-480-10A-DC1
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£7883
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SSR-480-10A-AC1
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£7883
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SSR-480-20A-DC1
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£7883
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SSR-480-20A-AC1
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£8367
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SSR-480-25A-DC1
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£8367
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SSR-480-25A-AC1
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£10165
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SSR-480-40A-DC1
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£10165
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SSR-480-40A-AC1
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£10372
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SSR-480-50A-DC1
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£10372
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SSR-480-50A-AC1
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£14936
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SSR-480-75A-DC1
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£14936
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SSR-480-75A-AC1
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Features
- Dielectric strength: 4000 RMS
- Input DC control:
- Voltage range: 3 to 32 VDC
- Typical input current: 3.4 to 20mA
- Input AC control:
- Voltage range: 90 to 280 VAC
- Typical input current 2mA (typical) @ 120VAC/4mA (typical) @ 240VAC
- Increases heater life
- Optimizes temperature control
- Back-to-back SCR design
- Allows for higher watt density heaters
The Watlow Solid State Relays are designed with the development of a special fast cycle input card that enables a SSR to operate from a standard 4-20mA instrumentation command signal. Test results have shown that a zero cross SSR in combination with the fast cycle card promotes better temperature control and longer heater life than slow cycle relays. Through a time proportional cycle rate of one tenth of a second heater life will be extended.
Both low and high voltage models are available from 24 up to 530VAC. All ac output models include back to back Silicon Controlled Rectifiers (SCRs) for a more rugged design than the traditional triac based SSR. The internal design allows it to handle high currents and the harsh electrical environments of heavy industry. Watlow also offers a switched VDC model for dc heating applications.
