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Watlow E-Safe II Hybrid Power Switch
Power Switching at High Ambient Temperatures - NO-ARC Technology

Watlow's patent pending E-Safe II Hybrid Power Switch provides reliable and accurate power switching up to 35 amperes at 70°C (158°F). This mercury-free product is specifically designed to operate in the higher embient temperatures of foodservice applications.

The use of mercury relays is being eliminated due to many regulations affecting its use in the United States and around the world. When replacing mercury-relay switches, the E-Safe II is the best performing product at the most economical price. Because of the product's unique design, there is no need to purchase costly heat sinks used with traditional solid state relays. In addition, this is a three-phase device, so there is no need to wire multiple command signals. With a switching life of millions of cycles and an embient rating of 70°C (158°F), with no heat sink required, this product is more superior than typical SSRs.

The E-Safe II Hybrid Power Switch provides foodservice operators with longer contact life and higher performance than typical mechanical contactors used in equipment. By using Watlow's patent pending NO-ARC technology, the E-Safe II can switch millions of cycles increasing the life of the product with decreased noise and increased temperature accuracy. E-Safe II's inherent ability to operate at fast cycle time provides a nice complimentary product for a time proportioning (PID) controller.

E-Safe II while being mercury free, is also RoHS compliant by design, CE approved and C-UL/UL recognized. The reliability of the product is protected by a 24-month warranty.

Download Watlow E-Safe II Hybrid Power Switch Brochure (pdf 250K)

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To order, make a selection in each category below, then click the "submit" button at the bottom of the page.
The part number and price will be displayed on the next page.
1-3. Power Controller Series
ES2 = Series ES2 - E-Safe II Hybrid Power Switch

4. Number of Poles (choose 1, 2 or 3)
1 = 1 pole
2 = 2 poles
3 = 3 poles

5. Load Voltage (choose 1, 2 or 3)
1 = 100 to 120V~(ac)
2 = 200 to 240V~(ac)
3 = 230/277V~(ac) 400/480V~(ac) with wye/star neutral connected to center required

6-7. Command Signal Voltage (choose LV or HV)
LV = Low voltage 3 to 24V(dc) or 24V~(ac)
HV = High voltage 100 to 277V~(ac) +10/-15 percent

8-9. Future Options
00 = Future Options

10-12. Special Options
000 = Standard product

This page last modified on 1/30/2018
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