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E-SAFE

®

 II Hybrid Power Switch

User’s Manual

Safety Information

We use note, caution and warning symbols throughout this 
book to draw your attention to important operational and 
safety information.

A “NOTE” marks a short message to alert you to an important 
detail.

A “CAUTION” safety alert appears with information that is 
important for protecting your equipment and performance. Be 
especially careful to read and follow all cautions that apply to 
your application.

A “WARNING” safety alert appears with information that 
is important for protecting you, others and equipment from 
damage. Pay very close attention to all warnings that apply to 
your application.

The safety alert symbol, 

ç

 (an exclamation point in a trian-

gle) precedes a general CAUTION or WARNING statement.

The electrical hazard symbol, 

Ó

 (a lightning bolt in a 

triangle) precedes an electric shock hazard CAUTION or 
WARNING safety statement.

Technical Assistance

If you encounter a problem with your Watlow controller, 
review your configuration information to verify that your 
selections are consistent with your application: inputs; out-
puts; alarms; limits; etc. If the problem persists after checking 
the configuration of the controller, you can get technical assis-
tance from your local Watlow representative (see back cover), 
or in the U.S., dial +1 (507) 494-5656.

Please have the following information available when calling:

• Complete model number   

• User’s Manual

Your Comments

We welcome your comments or suggestions on this user’s 
manual. Please send them to: Technical Writer, Watlow, 1241 
Bundy Blvd., P.O. Box 5580, Winona, Minnesota, USA 55987-
5580; telephone: +1 (507) 454-5300; fax: +1 (507) 452-4507. © 
Copyright 2007 by Watlow, Inc. All rights reserved.

1241 Bundy Boulevard, Winona, Minnesota USA 55987-5580

Phone: +1 (507) 454-5300  Fax: +1 (507) 452-4507

Internet: http://www.watlow.com

English

0600-0055-0001 Rev C 

June 2008

 

Multiple U.S. and international patents pending.

ç

CAUTION or
WARNING

Ó

Electrical 
Shock Hazard
CAUTION or 
WARNING

About Watlow

Watlow Electric Mfg. Co., has been manufacturing industrial electric 
heating products since 1922 and is located in St. Louis, Missouri.  Watlow 
products include electric heaters, sensors, controllers and switching 
devices. Watlow's facility in Winona, Minnesota has been designing 
solid-state electronic control devices since 1962, and has earned the 
reputation as an excellent supplier to original equipment manufacturers. 
These OEMs and end users depend upon Watlow to provide compatibly 
engineered controls that they can incorporate into their products with 
confidence. The controls operation resides in a 100,000-square-foot 

marketing, engineering and manufacturing facility in Winona, Minnesota.

Warranty

The Watlow ESAFE® II Hybrid Power Switch is warranted to be free of 
defects in material and workmanship for 24 months after delivery to the 
first purchaser for use, providing that the units have not been misapplied. 
Since Watlow has no control over their use, and sometimes misuse, we 
cannot guarantee against failure. Watlow's obligations hereunder, at 
Watlow's option, are limited to replacement, repair or refund of purchase 
price, and parts which upon examination prove to be defective within 
the warranty period specified. This warranty does not apply to damage 
resulting from transportation, alteration, misuse, or abuse.

Returns

•  Call or fax your distributor or the nearest Watlow sales office for best 

information about returns. (See outside back cover.)

•  To return directly to Watlow in the U.S., first call or fax Customer 

Service for a Return Material Authorization (RMA) number 
(telephone: +1 (507) 454-5300; fax: +1 (507) 452-4507). 

•  Put the RMA number on the shipping label, along with on a written 

description of the problem.

•  A restocking charge of 20% of the net price is charged for all standard 

units returned to stock.

Quality and Mission Statement:

Watlow will be the world’s best supplier of superior thermal solu-

tions by exceeding the expectations of our customers, sharehold-

ers, and employees.

To be automatically connected to the nearest North American 
Technical and Sales Office call:

1-800-WATLOW2

International Technical and Sales Offices:

Australia 

+61-3-9335-6449

China 

+86-21-3950-9510

France 

+33 (01) 3073-2425

Germany 

+49 (0) 7253-9400-0

Italy 

+39 (02) 458-8841

Japan 

+81-3-3518-6630

Korea 

+82-2-575-9804

Malaysia 

+60-3-7980-7741

Mexico 

+52 (442) 217-6235

Singapore 

+65-6777-1266

Spain 

+34 916 751 292

Sweden 

+46 35-27-11-66

Taiwan 

+886-7-288-5168

United Kingdom 

 +44 (0) 115-964-0777

How to Reach Us

For other product information:

Watlow FAX REPLY: +1 (732) 885-6344, outside the U.S.; or +1 (800) 
367-0430, inside the U.S.

Your Authorized Watlow Distributor:

Buy: www.ValinOnline.com | Phone: 844-385-3099 | Email: [email protected]

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