SB221NO-RO NKK Switches, SB221NO-RO Datasheet - Page 3

• Manufacturer Part Number: SB221NO-RO
• Description: Pushbutton Switches SPST
• Manufacturer: NKK Switches
• Series: SBr
• Type: Low, Medium Capacity Pushbuttonsr

Specifications of SB221NO-RO

• Contact Form: SPST - NO
• Mounting Style: Panel
• Switch Function: OFF - (ON)
• Illumination: Not Illuminated
• Contact Rating: 3 Amps at 125 VoltsAC, 1.5 Amps at 250 VoltsAC
• Termination Style: Solder Lug
• Contact Plating: Silver
• Contact Material: Copper
• Actuator: Round
• Cap Color: Black
• Body Length: 25.5 mm
• Dielectric Strength: 1500 Volts
• Features: Constructed of high performance materials, including zinc plated steel mounting plates
• Housing Material: Phenolic Resin
• Insulation Resistance: 200 MOhms
• Mounting Angle: Straight
• Supply Voltage: 125 VoltsAC, 250 VoltsAC
• Terminal Seal: Epoxy
• Lead Free Status / Rohs Status: Compliant

C
Series SB
C130
Supplied with Chrome
Notes: Standard Hardware: AT504M Knurled Nut, AT508 Lockwasher, AT527M Hex Backup Nut. See Accessories & Hardware section.
* See General Specifications page for approval marking.
*
Plated Brass Cap
Wire harness & cable assemblies offered only in Americas.
SB265
Model
SB265
R
* Approvals
C
Throw &
Schematic:
US
Keyway
(13.2)
.520
Pole &
Throw
SPST
SINGLE POLE WITH SOLDER LUG
SPST
Normal
(10.7) Dia
.421
ON
Pushbutton Position/Connected Terminals
www.nkk.com
(10.0)
.394
.264
(6.7)
M12 P1
.209
(5.3)
1
Keyway
1-4
( ) = Momentary
(14.5)
.571
4
Down
(14.9)
.587
Low/Medium Capacity Pushbuttons
OFF
(2.4) Dia
.094
—
*
4
.039
(1.0) Typ
1
Note: Terminal numbers are
Electrical Capacity (Resistive)
(25.5)
1.004
125V
(5.1)
.201
6A
AC
actually on the switch.
Panel Thickness
.291” (7.4mm)
250V
3A
AC
(3.0) Dia
.118
(12.5) Dia
.492
.354
(9.0)