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SPECIFICATIONS
SUBJECT
TO
CHANGE
WITHOUT
NOTICE
B
APEM, PO BOX 8288, HAVERHILL, MA USA 01835-0788 TOLL FREE: (877) 246-7890 FAX: (781) 245-4531 E-mail: info@apem.com
B21
ST SERIES - MINIATURE ROCKER & LEVER SWITCHES
Solder lug terminals - panel mounting
Double
pole
Single
pole
SINGLE
DOUBLE
POLE
WITH J1
WITH J2
ROCKER
LEVER
SINGLE POLE
DOUBLE POLE
Terminal numbers
for reference only
Straight p.c. terminals with bracket - p.c. mounting
SINGLE
DOUBLE
POLE
WITH J1
WITH J2
ROCKER
LEVER
SINGLE POLE
DOUBLE POLE
Terminal numbers
for reference only
POWER CKT.
MODEL NO.
UL MODEL NO.
ST1-1L4S4ZQJ12
UL11L4S4ZQJ12
ON
NONE
ON
ST1-2L4S4ZQJ12
UL12L4S4ZQJ12
ON
OFF
ON
ST1-3L4S4ZQJ12
UL13L4S4ZQJ12
MOM
OFF
MOM
ST1-4L4S4ZQJ12
UL14L4S4ZQJ12
ON
OFF
MOM
ST1-5L4S4ZQJ12
UL15L4S4ZQJ12
ON
NONE
MOM
ST2-1L4S4ZQJ12
UL21L4S4ZQJ12
ON
NONE
ON
ST2-2L4S4ZQJ12
UL22L4S4ZQJ12
ON
OFF
ON
ST2-3L4S4ZQJ12
UL23L4S4ZQJ12
MOM
OFF
MOM
ST2-4L4S4ZQJ12
UL24L4S4ZQJ12
ON
OFF
MOM
ST2-5L4S4ZQJ12
UL25L4S4ZQJ12
ON
NONE
MOM
ST2-6L4S4ZQJ12
UL26L4S4ZQJ12
ON
ST2-7L4S4ZQJ12
UL27L4S4ZQJ12
ON
MOM
ST2-8L4S4ZQJ12
UL28L4S4ZQJ12
MOM
ON
MOM
Terminals connected (-6, -7 & -8)
1-2,
2-3,
4-5
5-6
Above models have black actuator.
USA marking on other side
Double
pole
Single
pole
DRY CKT.
MODEL NO.
UL MODEL NO.
ST1-1L4S4V30BJ12
UL11L4S4V30QJ12
ON
NONE
ON
ST1-2L4S4V30BJ12
UL12L4S4V30QJ12
ON
OFF
ON
ST1-3L4S4V30BJ12
UL13L4S4V30QJ12
MOM
OFF
MOM
ST1-4L4S4V30BJ12
UL14L4S4V30QJ12
ON
OFF
MOM
ST1-5L4S4V30BJ12
UL15L4S4V30QJ12
ON
NONE
MOM
ST2-1L4S4V30BJ12
UL21L4S4V30QJ12
ON
NONE
ON
ST2-2L4S4V30BJ12
UL22L4S4V30QJ12
ON
OFF
ON
ST2-3L4S4V30BJ12
UL23L4S4V30QJ12
MOM
OFF
MOM
ST2-4L4S4V30BJ12
UL24L4S4V30QJ12
ON
OFF
MOM
ST2-5L4S4V30BJ12
UL25L4S4V30QJ12
ON
NONE
MOM
ST2-6L4S4V30BJ12
UL26L4S4V30QJ12
ON
ST2-7L4S4V30BJ12
UL27L4S4V30QJ12
ON
MOM
ST2-8L4S4V30BJ12
UL28L4S4V30QJ12
MOM
ON
MOM
Terminals connected (-6, -7 & -8)
1-2,
2-3,
4-5
5-6
Above models have black actuator.
USA marking on other side
B20-B30
10/11/00, 5:05 PM
21