Model: BZ-R21-A2

Sensitive Switch

Special Features:

This switch is a lower force switch, it only takes 4 oz to operate switch, the differential travel is lower, with a min/max of .0002-.0005 inches.

Properties:

Center To Center Distance Between Mounting Facilities Parallel To Length
1.000 inches
Body Length
1.938 inches
Body Width
0.688 inches
Body Height
0.844 inches
Unthreaded Mounting Hole Diameter
0.141 inches
Actuator Style
Round
Actuator Diameter
0.094 inches
Actuator Height
0.051 inches
Actuator Free Position Height
0.645 inches
Maximum Voltage Rating In Volts
250.0 ac
End Application
Swbd 4h-6h dc power distribution switchboards (blown fuse indication circuit)
Inclosure Type
Fully enclosed
Mounting Method
Unthreaded hole
Switch Release Force
2.5 ounces
Switch Actuating Force
4.0 ounces
Actuator Movement
Between 0.005 overtravel inches and 0.012 pretravel inches
Contact Load Current Rating At Maximum Rated Voltage
10.000 amperes resistive ac
Precious Material And Location
Fine silver contacts silver
Terminal Type And Quantity
3 screw
NSN
5930-01-525-4517
Part Number
BZ-R21-A2
Description
Switch,sensitive
CAGE
91929

A switch with a quick-acting mechanism actuated by a highly delicate tactile contact. Includes membrane switch. excludes switch, flexible; switch, pressure; and switch, thermostatic.

Part BZ-R21-A2 NSN 5930-01-525-4517

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00399
FIIG:
A053A0
Concept No.:
App. Key:
S
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
S
ESD:
A
ESD:
A
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061300
UFC:
34410
LTL:
77.5
LCL:
--
WCC:
72D
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8536509050
  • SITC: 77255
  • End Use: Electric apparatus
  • NAICS: 335931
  • USDA: 1

Freight Class: Switches, slide, for a voltage not exceeding 1,000 v

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