Wheelock MB bells data sheet

Technical Data TD450055EN bells REMOTE Wheelock MB motor bells provide a specifically designed bell for fire and life safety alarm systems The Wheelock MB include higher dBA low current draw built in trimplate for mounting low frequency aluminum shells and low RFI The motor for MB bells is a durable high torque permanent motor selected for its high performance and long life DC vibrating MB motor bells are offered in 6 and shell sizes in both 12 and 24 VDC models RSSP Sync Non Sync retrofit plates are used in conjunction the MB motor bell when combination appliances are required RSSP retrofit plates are available with either multi candela single candela strobes and easily mount to a 4 square or SBL 2 backbox All RSSP strobe appliances meet or the requirements of NFPA 72 National Fire Alarm Code 117.1 American National Standard for Accessible and Usable and Facilities ADA Americans with Disabilities Act UL 1971 Signaling Devices for the Hearing Impaired RSSP retrofit plates may be synchronized when installed the Wheelock Series DSM Sync Modules or Wheelock Supplies with Wheelock patented sync protocol Wheelock strobes offer an easy way to comply with ADA concerning photo sensitive epilepsy April 2019 Supersedes September 2016Wheelock MBfirealarmresources com Data TD450055EN April 2019 benefits Meets OSHA 29 Part 1910.165 High sound output with low current draw Low frequency aluminum shells for better audibility through walls and other structures 6 and 10 shell sizes in 12 or 24 VDC models RFI suppression to minimize included noise on the circuit Mounting options for surface semi flush outdoor and concealed installation expensive AWG wire Built in trimplate makes semi flush mounting simpler and Screw terminals permit fast in out field wiring of 12 to Polarized for DC supervision of NAC circuits Operates on filtered or unfiltered DC For combined audible bell and visual signaling convenient plate assemblies are available with Multi Candela or candela strobes Refer to Fire Alarm Products Catalog Series RSSP Sync Non Sync Strobes specifications and information CAUTIONS and WARNINGS are identified by the symbol warnings are printed in bold capital letters WARNING READ THESE SPECIFICATIONS AND ASSOCIATED INSTALLATION CAREFULLY BEFORE USING SPECIFYING OR APPLYING PRODUCT FAILURE TO COMPLY WITH ANY OF THESE INSTRUCTIONS OR WARNINGS COULD RESULT IN IMPROPER APPLICATION AND OR OPERATION OF THESE PRODUCTS IN AN SITUATION WHICH COULD RESULT IN PROPERTY DAMAGE SERIOUS INJURY OR DEATH TO YOU AND OR OTHERS compliances Approvals include UL Standard 464 CAN ULC S525 Factory FM California State Fire Marshal CSFM New York and Chicago BFP Meets OSHA 29 Part 1910.165 1 MB G10 frNno and sidt vitws 2 MB G6 frNno and sidt vitws 1 SptcificaoiNns and Nrdtring infNrmaoiNne MB mNdtls Code Number RMS current ratings are per UL average RMS method UL max current rating is the maximum RMS current within the listed voltage range 16 33v for 24v units For Max a Size RMS Voltage Options 10 ft E J K N O P R S the UL max current is usually at the minimum listed voltage 16v for 24v units For audibles the max current is usually at the maximum listed voltage 33v for units For unfiltered FWR ratings see installation instructions Typical dBA at 10 feet is measured in an anechoic chamber For bells all 12 VDC models are UL rated for 9.0 to 15.6 VDC and all 24 VDC models for 18.0 to 31.0 VDC www eaton comWheelock MBfirealarmresources com Data TD450055EN April 2019 2 SptcificaoiNns and Nrdtring infNrmaoiNne RSSP mNdtls Number RMS current ratings are per UL average RMS method UL max current rating is the maximum RMS current within the listed voltage range 16 33v for 24v units For Max a Options b E Z E Z E Z Code Current at Listed VDC Voltage 75 on axis 75 on axis the UL max current is usually at the minimum listed voltage 16v for 24v units For audibles the max current is usually at the maximum listed voltage 33v for units For unfiltered FWR ratings see installation instructions Refer to data sheet TD450028EN for mounting options products must be used within their published specifications and must be PROPERLY specified applied installed operated and operationally tested in accordance with their installation instructions at the time of installation and at least twice a year or often and in accordance with local state and federal codes regulations and laws Specification application installation operation and testing must be performed by qualified personnel for proper operation in accordance with all of the latest National Fire Association NFPA Underwriters Laboratories UL National Electrical Code NEC Occupational Safety and Health Administration local state county province district federal and other applicable building and fire standards guidelines regulations laws and including but not limited to all appendices and amendments and the requirements of the local authority having jurisdiction AHJ and engineers specifications alarm appliances shall be Wheelock MB vibrating motor bells or approved equal They shall be UL Standard 464 listed for Fire Protective and CAN ULC S525 listed Audible Signaling Devices for Fire Alarm and Signaling Systems including Accessories Shells shall be in 6 or 10 diameter Sound output at 10 feet shall be 92 dBA The bells shall incorporate a permanent magnet motor and sup circuitry to minimize RFI They shall include a built in trimplate for semi flush mounting to a standard 4 square backbox or surface to Wheelock indoor BB backbox or outdoor WBB backbox bell strobe applications retrofit plates Wheelock RSSP with multi candela or single candela strobes shall be used All bell models shall polarized for line supervision and shall have screw terminals for in out field wiring of 12 to 18 AWG wire Operating voltage shall be 24 VDC or 12 VDC Finish on all models shall be textured enamel to continuous development of our products specifications and offerings are subject to change without notice in accordance with Cooper Inc dba Eaton standard terms and conditions ENCOURAGE AND SUPPORT NICET CERTIFICATION WARRANTY is a registered trademark All other trademarks are property of their respective owners Eaton1000 Eaton BoulevardCleveland OH 44122United StatesEaton comEatonLife safety mass notification solutions273 Branchport Ave Long Branch NJ 07740www eaton com massnotification 2019 EatonAll Rights ReservedPrinted in USAPublication No TD450055ENApril 2019Wheelock MBfirealarmresources com