
Instruction Manual Supplement
D104326X012
3622 Transducer
August 2018
IECEx Hazardous Area Approvals
™
Fisher
Hazardous Area Classifications and Special Instructions for “Safe
Use” and Installations in Hazardous Locations
Certain nameplates may carry more than one approval, and each approval may have unique installation/wiring
requirements and/or conditions of “safe use”. These special instructions for “safe use” are in addition to, and may
override, the standard installation procedures. Special instructions are listed by approval.
Note
This information supplements the nameplate markings affixed to the product and the Fisher 3610J and 3620J Positioners and 3622
Electro‐Pneumatic Converter instruction manual (D200149X012
Partner, or at www.Fisher.com.
Always refer to the nameplate itself to identify the appropriate certification.
These Special Instruction for “Safe Use” and Installation in Hazardous Location also apply to 3620J positioners.
3622 Electro‐Pneumatic Converter
), available from your Emerson sales office or Local Business
WARNING
Failure to follow these conditions of “safe use” could result in personal injury or property damage from fire or explosion, or
area re‐classification.
Conditions of Certification
Intrinsically Safe
WARNING
Substitution of components may impair intrinsic safety.
-40_C ≤ Ta ≤ +82_C; T6 (Ta ≤ +47_C); T5 (Ta ≤ +62_C); T4 (Ta ≤ +82_C)
Entity Parameters: Ui = 30 V, li = 150 mA, Pi = 1.25 W, Ci = 0 nF, Li = 0 mH
www.Fisher.com

3622 Transducer
August 2018
Flameproof
WARNING
Disconnect power before opening.
-40_C ≤ Ta ≤ +82_C; T5 (Ta ≤ +82_C)
Type n
WARNING
Disconnect power before opening.
-40_C ≤ Ta ≤ +82_C; T6 (Ta ≤ +82_C)
Refer to table 1 for additional approval information.
Instruction Manual Supplement
D104326X012
Table 1. Hazardous Area Classifications
Certificate Certification Obtained Entity Rating Temperature Code
Intrinsically Safe
Gas
Ex ia IIC T4/T5/T6 Ga
IECEx
1. These hazardous area classification also apply to 3620J positioners.
Neither Emerson, Emerson Automation Solutions, nor any of their affiliated entities assumes responsibility for the selection, use or maintenance
of any product. Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user.
Fisher is a mark owned by one of the companies in the Emerson Automation Solutions business unit of Emerson Electric Co. Emerson Automation Solutions,
Emerson, and the Emerson logo are trademarks and service marks of Emerson Electric Co. All other marks are the property of their respective owners.
Flameproof
Gas
Ex d IIC T5 Gb
Type n
Gas
Ex nA IIC T6 Gc
(1)
Ui = 30 VDC
Ii = 150 mA
Pi = 1.25 W
Ci = 0 nF
Li = 0 mH
- - - T5 (Tamb ≤ 82°C)
- - - T6 (Tamb ≤ 82°C)
T4 (Tamb ≤ 82°C)
T5 (Tamb ≤ 62°C)
T6 (Tamb ≤ 47°C)
The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not
to be construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. All sales are
governed by our terms and conditions, which are available upon request. We reserve the right to modify or improve the designs or specifications of such
products at any time without notice.
Emerson Automation Solutions
Marshalltown, Iowa 50158 USA
Sorocaba, 18087 Brazil
Cernay, 68700 France
Dubai, United Arab Emirates
Singapore 128461 Singapore
www.Fisher.com
2
E 2018 Fisher Controls International LLC. All rights reserved.