POLES & CIRCUITS
Plunger Position
( ) = Momentary
Connected Terminals
Throw & Schematics
Note: Switch is marked with NC, NO, COM, L+ & L–
even though nonilluminated models have no
lamp terminals.
Normal
Down
Normal
Down
Pole
Model
1
COM
UB15
*UB16
ON
ON
(ON)
ON
SP
1-3
1-2
SPDT
DPDT
3
NC
2
NO
4
1
COM
COM
5
UB25
*UB26
ON
ON
(ON)
ON
DP
1-3 4-6
1-2 4-5
3
2
6
NC
NO
NC
NO
* When in latchdown position for the alternate circuit, cap position is .039” (1.0mm) above the housing.
MOUNTING TYPES & SHAPES
PCB Mounting
SK
RK
(5.08)
.200
(7.62)
.300
(5.08) Typ
(7.62) Typ
.300
Square
Rectangular
.200
3
6
3
3
2
1
3
6
(5.08) Typ
.200
(5.08) Typ
.200
(5.08) Typ
.200
(5.08) Typ
.200
2
1
5
4
2
1
2
1
5
4
(1.2) Dia Typ
.047
(1.2) Dia Typ
.047
(1.2) Dia Typ
.047
(1.2) Dia Typ
.047
C
C
L
C
C
L
L
L
Double Pole
Single Pole
Double Pole
Snap-in Mounting (Solder Lug)
Single Pole
Square
with Built-in Bezel
Rectangular
with Built-in Bezel
Rectangular with Built-in
Side Barriers
KK
NK
NBK
(16.2)
.638
(16.2) Sq
.638
(22.4)
.882
Snap-in Mounting with Solder Lug terminals is the standard combination. Panel Thickness: .039 ~ .126” (1.0 ~ 3.2mm)
CONTACT MATERIALS & RATINGS
W
G
Silver Contacts
Gold Contacts
Power Level
5A @ 125V AC & 250V AC
Logic Level
0.4VA maximum @ 28V AC/DC maximum
Complete explanation of operating range in Supplement section.
TERMINALS
(0.2)
.008
(4.0)
.157
(1.0)
.039
(0.2)
01
.008
03
Solder Lug
Straight PC
(5.0)
.197
(1.6)
.063
(2.0)
.079
(0.8)
.032
Thk = (0.5)
.020
Thk = (0.5)
.020
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 • www.nkkswitches.com
03-07
NKK [ NIHON KAIHEIKI INDUSTRY CO. LTD. ]
