BZ, BA, BM, BE Series Part Number Guide Datasheet by WEC

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Notes ‘ Min. distance between separated mating contacts in lully open position (nominal values). “ Some Versions have lower electrical ratings. "‘ Except BZ7R31 and BZVRZ switches Type & Contact B Series Premium Basics SPDT Switch type is A capaCity“i pin plunger 23, a [o 917] from mounting hole 2 Break distance (nominal) Construction Moving contact W Integral actuator Low overtravel 82255 Misc. Variations (Numbers or Letters) Belore other number: A2 Terminal type S Snap spring mat’l (variation) 5 Stainless steel snap spring 20 A capaCity“i A pin plunger 19,0 [0 750] from mounting hole 22 A capaCity pin plunger 233 M [o 917] rrorn nieunting hole 25 A capaCity E pin piungeriso [o 750] rrorn nieunting hole Lower elect. rating 5551 General use sealed construction Short Walever With roller Maintained manual reset Bottom lacing #6 1 0‘25 mm [0 01 m] R rivet construction B plunger, Type A & E 0 military construction A2 screws 8. cupwashers . shorting bar circuitry Low overtravel Threaded bushing, Bottom lacing #3 2 0‘50 mm [0 02 ml A Type Z sWitches only D plunger, Type Z 1 panel mount Q-plunger A4 screws 8. cupwashers . Shorting bar circuitn/ Sealed low overtravel A2 type without 3 0,91 mm [0 036 In] S Type A SWitches only DS plunger, Type Z only 2 Variation oi design A22 screws & cupwashers 4 1,14 mm [o_o45 in] G Make-before-break L Leaf actuator 4 On W-lever, light A41 A4 type without (MT-4R only) SWItches Type A a Z only lorce var. (no spring) screws 8. cupwashers 1,27 mm [0 050 in] Split Contact SWilches High overtravel Used With other 55, A4 type #8 screws 5 Type A sWitches only Y Type Z SWllClieS only N plunger/sealed boot 5 denotes sealed cons. A46 and lock Washers 1 ‘78 mm [0 07 in] Q High overtravel 6/7 On Q plunger, replac. D1 89" QC used with Type Z switches only plunger, Type A & Z lor diercast SWilches ilat base We slots Medium overtravel Variation at design. - 0,15 mm [0.006 in] S plunger, Type Z only 1 other than 0 plungers D5 V Rigid lever 5 With W-levers, rigid be 90° QC used with Type A & E only type lever (ex. W80) A2 (step) base W Rigid or resilienl 8 With Qaplunger, roller (len) Side iacing #8 lever, Type 2 only plunger iniine to axis P1 screw w/ cupwasher Reverse actuating With L—leai actuators, 5°lde' lug base M lever 9 ilal leai P2 Sanie as P1, except ow Omnidirectional 72 Gold contacts iacmg ”gm “wobble" lever (leit) side facing #8 On Q.p|ungerv detach. P4 screw w/ cupwasher ' Standard Pl" plunger 9 roller, turned gov integral construction Short roller lever, Same as P4, except 22 V- or W-lever P5 lacing right 24 Heat resistant T Bottom lacing its construction 121 “C screws/lockwashers Heavyrduty seal Cons. _ Solder lug or no 55 Stain steel snap spring, terminal hardware Special inserts On Q-plunger, roller 81 90" to major axis Long Walever, 82 With roller On W-lever, adj. 99 GP. (usually w/ a) Hign lemp. constr. 244 Dilr snap spring
MICRO SWITCH™ BZ/BA/BM/BE Series Premium Large Basic Switch
Product Nomenclature
004970-3-EN IL50 GLO
December 2015
Copyright © 2015 Honeywell International Inc. All Rights Reserved.
For example, a BZ-2RW80-A2 part number would define a MICRO SWITCH™ BZ Series Premium Large Basic Switch with 15 A capacity, 0,50 mm break distance with moving contact rivet construction, flat lever,
and bottom facing #8 screws and cupwashers for termination
Not all combinations of model code are available.
Please contact your Honeywell provider/representative for assistance.
substitute
W Series for
SPNC circuitry
substitute
Y Series for
SPNO circuitry
– –
90° QC used with
flat base

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