POLES & CIRCUITS
Plunger Position
( ) = Momentary
Normal
Pole
SP
DP
Model
UB15
*UB16
UB25
*UB26
ON
ON
ON
ON
(ON)
ON
(ON)
ON
1-3
1-3 4-6
1-2
1-2 4-5
Down
Connected Terminals
Normal
Down
Throw & Schematics
Note: Switch is marked with NC, NO, COM, L+ & L–
even though nonilluminated models have no
lamp terminals.
SPDT
3
1
COM
NO
6
1
NC
COM
2
NO
4
NC
COM
5
NO
DPDT
3
NC 2
* When in latchdown position for the alternate circuit, cap position is .039” (1.0mm) above the housing.
MOUNTING TYPES & SHAPES
PCB Mounting
SK
Square
(5.08)
.200
3
(5.08) Typ
.200
6
RK
3
2
1
Rectangular
(7.62)
.300
3
2
1
6
(7.62) Typ
.300
3
2
1
(5.08) Typ
.200
5
4
(5.08) Typ
.200
(5.08) Typ
.200
5
4
2
1
(5.08) Typ
.200
C
L
(1.2) Dia Typ
.047
C
L
(1.2) Dia Typ
.047
C
L
(1.2) Dia Typ
.047
C
L
(1.2) Dia Typ
.047
Single Pole
Double Pole
Snap-in Mounting (Solder Lug)
Single Pole
Double Pole
KK
Square
with Built-in Bezel
NK
Rectangular
with Built-in Bezel
NBK
Rectangular with Built-in
Side Barriers
(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
Power Level
5A @ 125V AC & 250V AC
Gold Contacts
Logic Level
0.4VA maximum @ 28V AC/DC maximum
Complete explanation of operating range in Supplement section.
TERMINALS
01
Solder Lug
(1.6)
.063
(0.2)
.008
(5.0)
.197
03
Straight PC
(2.0)
.079
(0.8)
.032
Thk = (0.5)
.020
(0.2)
.008
(4.0)
.157
(1.0)
.039
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. ]
