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Summary of Contents for 4B WDB81 Series
- Page 1 WDB81 Series BEARING TEMPERATURE SENSORS EN - FR - CN - RU INSTALLATION INSTRUCTIONS OPERATION MANUAL Part No.’s - WDB81xxxx www.go4b.com...
- Page 2 THIS PAGE IS INTENTIONALLY LEFT BLANK...
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Page 3: Table Of Contents
TABLE OF CONTENTS CUSTOMER SAFETY RESPONSIBILITIES Page 4 - 5 PRODUCT OVERVIEW Page 6 PRODUCT SELECTION Page 6 SPECIFICATIONS Page 7 SPECIAL CONDITIONS FOR SAFE USE Page 8 DIMENSIONS Page 8 STANDARD WIRING DIAGRAM Page 9 APPROVALS Page 10 INSTALLATION Page 11 PRODUCT WARRANTY Page 12... -
Page 4: Customer Safety Responsibilities
The proper installation and maintenance of all our products is the responsibility of the user unless you have asked 4B to perform these tasks. B. All installation and wiring must be in accordance with Local and National Electrical Codes and other standards applicable to your industry. - Page 5 3. SELECT A QUALIFIED AND COMPETENT INSTALLER Correct installation of the product is important for safety and performance. If you have not asked 4B to perform the installation of the unit on your behalf, it is critical for the safety of your operation and those who may perform work on your operation that you select a qualified and competent electrical installer to undertake the installation.
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Page 6: Product Overview
PRODUCT OVERVIEW The WDB81 series is a range of bearing sensors manufactured to screw directly into a bearing housing. Each sensor is fitted with a grease nipple to allow lubrication of the bearing without the need for removal of the sensor. The sensor is fitted with a permanently attached 3 meter cable. -
Page 7: Specifications
SPECIFICATIONS WDB810* - NTC Sensors Resistance at 25° C - 10,000 Ohms Resistance at 60° C - 2,487 Ohms Resistance at 90° C - 916 Ohms Sensing Voltage - 5 to 24 VDC Current Draw - 1 mA (Max. Recommended) Maximum Power - 120 mW at 25°... -
Page 8: Special Conditions For Safe Use
SPECIAL CONDITIONS FOR SAFE USE If not used with the ATEX approved 4B temperature monitors the power supply to the sensor shall be rated for a prospective short circuit current of 10 KA. The supply to the equipment MUST NOT exceed +24 VDC. -
Page 9: Standard Wiring Diagram
Please note that if the power applied across the sensor exceeds the specified maximum rated power or current, then the sensor may be damaged beyond repair. When properly wired to 4B controllers, the power rating across the sensors is kept at a safe level. -
Page 10: Approvals
APPROVALS Baseefa09ATEX0231X ATEX II 1D Ex ta IIIC T 125°C Da IP65 Tamb -40°C to +60°C* IECEx BAS 09.0111X IECEx Ex ta IIIC T 125°C IP65 Tamb -40°C to +60°C* CQC-2020012315351289 Ex tD A20 IP65 T125°C RU C-GB.Aж58.B.00330/20 EACEx Ex ta IIIC T125°C Da X OT -40 дo +60 IP65 BAS21UKEX0308X UKEX... -
Page 11: Installation
2. Drill out and tap to ¼” BSPP (if required). 3. Screw the WDB81 sensor body in to the ¼” BSPT in the bearing housing. 4. All WDB81 sensors are non-polarity sensitive, however 4B recommend wiring the sensors in an identical manner. -
Page 12: Product Warranty
4B France herein after referred to as 4B to the original purchaser against defects in workmanship or materials under normal use for one (1) year after date of purchase from 4B. Any product determined by 4B at its sole discretion to be defective in material or workmanship and returned to a 4B branch or authorized service location, as 4B designates, shipping costs prepaid, will be, as the exclusive remedy, repaired or replaced at 4B’s option. - Page 13 THIS PAGE IS INTENTIONALLY LEFT BLANK PAGE 13...
- Page 14 Changzhou, Jiangsu, PRC Tel: +61 (0)7 3216 9365 Fax: 309-698-5615 Thailand Tel: +86-519-88556006 Fax: +61 (0)7 3219 5837 Tel: +66 (0) 2 173-4339 Email: 4b-china@go4b.com Fax: +66 (0) 2 173-4338 www.go4b.com Copyright © 2018 4B Group - All Rights Reserved REV100721...
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