Basic Switches BZ/BA Series
Standard
Forapplicationhelp:call1-800-537-6945.HoneywellSensingandControl49
Characteristics: O.F. — Operating Force; R.F. — Release Force; P.T.
— Pretravel; O.T. — Overtravel; D.T. — Differential Travel; O.P. —
Operating Position.
PIN PLUNGER
ORDER GUIDE by ascending electrical capability
Electrical
Data And O.F. R.F. min. P.T. max. O.T. min. D.T. O.P.**
Catalog UL Codes newtons newtons mm mm mm mm
Listing Recommended For Page 46 ounces ounces inches inches inches inches
BZ-2R72-A2 Applications requiring
gold alloy contacts 1 Amp 2,5-3,61 1,11 0,38 0,13 0,01-0,05 15,88
P 9-13 4 .015 .005 .0004-.0020 .625
BZ-2R725551-A2
Gold alloy contacts
Dustproof and splash
resistant seal
1 Amp 2,22-4,17 1,11 — 0,13 0,01-0,06 15,88
P 8-15 4 — .005 .0004-.0025 .625
BZ-2R244-A2 Operating in temp. to
+400°F (204°C) for
100 hours
5 Amps 2,5-3,61 1,11 0,38 0,13 0,01-0,05 15,88
B 9-13 4 .015 .005 .0004-.0020 .625
BZ-R21-A2 Lower force 10 Amps 1,11 0,7 0,30 0,13 0,005-0,013 15,88
C 4 2.5 .012 .005 .0002-.0005 .625
BZ-2R-A2 Most applications
SPDT 15 Amps 2,5-3,61 1,11 0,38 0,13 0,01-0,05 15,88
A 9-13 4 .015 .005 .0004-.0020 .625
WZ-2R-A2 SPST (normally
closed) 15 Amps 2,5-3,61 1,11 0,38 0,13 0,01-0,05 15,88
A 9-13 4 .015 .005 .0004-.0020 .625
YZ-2R-A2 SPST (normally open) 15 Amps 2,5-3,61 1,11 0,38 0,13 0,01-0,05 15,88
A 9-13 4 .015 .005 .0004-.0020 .625
BZ-R-A2 Less differential travel 15 Amps 1,95-2,5 1,11 0,30 0,13 0,005-0,008 15,88
D 7-9 4 .012 .005 .0002-.0003 .625
BZ-R19-A2 Best repeatability 15 Amps 1,95-3,34 1,11 0,30 0,13-0,2 0,005-0,02 16,26
D 7-12 4 .012 .005-.008 .0002-.0008 .640
BZ-2R24-A2 Operating in temp. to
+250°F (121°C) 15 Amps 2,5-3,61 1,11 0,38 0,13 0,01-0,05 15,88
A 9-13 4 .015 .005 .0004-.0020 .625
BZ-2RT04
(8805/1-004) MIL-S-8805 application
requirements 15 Amps 2,5-3,61 1,67 0,38 0,13 0,01-0,05 15,88
A 9-13 6 .015 .005 .0004-.0020 .625
BZ-2R05-A2 Best stability under
varying humidity 15 Amps 2,5-3,61 1,11 0,38 0,13 0,01-0,05 15,88
A 9-13 4 .015 .005 .0004-.0020 .625
BZ-2R5551-A2 Dustproof and splash
resistant seal 15 Amp 2,5-4,17 1,11 — 0,13 0,01-0,06 15,88
A 9-15 4 — .005 .0004-.0025 .625
BZ-2R55-A2-S Best service for sealed
construction. Stainless
steel internal snap
spring.
15 Amps 2,5-4,17 1,11 — 0,13 0,01-0,06 15,88
A 9-15 4 — .005 .0004-.0025 .625
BA-2R-A2 Up to 20 ampere load
handling 20 Amps 3,89-6,12 2,78 1,27 0,25 0,05-0,19 16,26
G 14-22 10 .050 .010 .0020-.0075 .640
BA-2R24-A2 Operating in
temperature to +250°F
(121°C)
20 Amps 3,89-6,12 2,78 1,27 0,25 0,05-0,19 16,26
G 14-22 10 .050 .010 .0020-.0075 .640
BM-1R-A2 Up to 22 ampere load
handling 22 Amps 1,95-2,78 1,11 0,38 0,13 0,013-0,025 15,88
F 7-10 4 .015 .005 .0005-.0010 .625
BE-2R-A4 Up to 25 ampere load
handling 25 Amps 3,89-6,12 2,78 1,27 0,25 0,05-0,19 16,26
H 14-22 10 .050 .010 .0020-.0075 .640
BZ/BA TYPE
Dim. Dwg. Fig. 1
SEALED TYPE
Dim. Dwg. Fig. 2
BA/BE TYPE
Dim. Dwg. Fig. 3
BZ-RX Manual reset
(maintained contact)
applications, solder
terminals
15 Amps 1,95-2,5 — 0,30 0,13 — 15,88
E 7-9 — .012 .005 — .625
0,56-2,78* — — 0,38*
2-10 — — .015
WA-1RX-A4 Manual reset SPST-
NC, A4 terminals 20 Amps 5,56 — — 0,25 0,20 16,26
W 20 — — .010 .008 .64
6,95* — — — — 27,9*
25 — — — — 1.10
Dim. Dwg. Fig. 4 *Reset characteristics. Except where stated ** ±0,38mm
±.015 in.
All catalog listings shown are not
necessarily stock items. Stocking
depends on sales experience. Auxiliary actuators see p. 62-63.
Standard
Basic Switches