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30-251B

Part # 30-251B
Description
Category SWITCH
Availability Out of Stock
Qty 0

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Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

Pushbutton Switches
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Butt Contact Pushbutton Switches
SERIES 30
SPST, 1 and 5 Amp
FEATURES
• Reliable
• Economical
• Large Selection
• UL Recognized
• CSA Certified
• Sealed Bushing and
Pushbutton Option
Normally Open–SPST Standard, Economy and UL Recognized
30-1
30-1UL
30-3
30-3UL
30-601*
DIMENSIONS In Inches (and millimeters)
At 5 Vdc At 20 Vdc 30-601 RED Red
150 mA 20 mA 30-601 BLK Black
Button
Color
Operations
at Rated
Load
1,000,000
Mtg.
Hole
Total
Travel
Actuating
Force (oz.)
Electrical
Ratings
Action
.062 ± .010 17/64"
(1,57 ± 0,25) (6,75)
Momentary 10 ± 4
Economy Version
Mtg.
Hole
Total
Travel
Action
Actuating
Force (oz.)
Button
Color
30-1 Red
30-3 Black
Part
Number
Operations
at Rated
Load
Rating at
115 Vac
Resistive
Rating at
220 Vac
Resistive
1 Amp 0.5 Amp 1,000,000
Momentary 10 ± 4
Standard
Mtg.
Hole
Total
Travel
Action
Actuating
Force (oz.)
Button
Color
30-1UL Red
30-3UL Black
Part
Number
Operations
at Rated
Load
Rating at
120 Vac
Resistive
Rating at
220 Vac
Resistive
5 Amp 2.5 Amp 6,000
Momentary 10 ± 4
UL Recognized
*Complete
Part
Number
.062 ± .010 17/64"
(1,57 ± 0,25) (6,75)
.062 ± .010 17/64"
(1,57 ± 0,25) (6,75)
.162 ± .005
(4,11 ± 0,13)
A
.992
(25,20)
REF.
1/4-32 UNEF-2A
THREAD
.375
± .005
(9,53 ± 0,13)
D
C
B
A = .150 ± .015
(3,81 ± 0,38)
B = .250 ± .010
(6,35 ± 0,25)
C = .370 ±.015
(9,40 ± 0,38)
D = .222 ± .020
(5,64 ± 0,51)
HEX MOUNTING NUT
.375 (9,53) ACROSS FLATS
.109 (2,77) THICK
LABEL*
*PART NUMBER
AND E.I.A. DATE
CODE LABEL
.186
(4,72)
REF.
C
L
C
L
Pushbutton
43
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Pushbutton Switches
Butt Contact Pushbutton Switches
A
1.091
(27,71)
REF.
.437
r .010
(11,10 r 0,25)
ACROSS FLATS OF HEX
.505 (12,83) REF.
ACROSS CORNERS
D
C
B
A = .209 r .015
(5,31 r 0,38)
B = .250 r .010
(6,35 r 0,25)
C = .410 r.015
(10,41 r 0,38)
D = .222 r .020
(5,64 r 0,51)
E = .187 r.010
(4,75 r 0,25)
F = .100 r .010
(2.54 r 0,25)
F
T
SNAP ON CAP
E
.375r .010 DIA.
(9,53
r 0,25)
T = 1/4-32
UNEF-2A
THREAD
O = O RING
O
HEX MTG NUT
.312 (7,92)
ACROSS FLATS
.062 (1,57)
THICK
LABEL*
*PART NUMBER
AND E.I.A. DATE
CODE LABEL
.015 (0,38)
.186 REF.
(4.7)
Normally Open–SPST With
Sealed Bushing and Button
30-251*
Normally Closed–SPST With
Sealed Bushing and Button
30-252*
Mtg.
Hole
Total
Travel
Action
Button
Color
Operations
at Rated
Load
Rating at
115 Vac
Resistive
Rating at
220 Vac
Resistive
1 Amp
1
/2 Amp 250,000
Actuating
Force (oz.)
Momentary 30 ± 8
*Complete
Part
Number
Mtg.
Hole
Total
Travel
Action
Button
Color
Operations
at Rated
Load
Rating at
115 Vac
Resistive
Rating at
220 Vac
Resistive
Actuating
Force (oz.)
Momentary 12 ± 4
*Complete
Part
Number
30-2
30-2UL
30-6
30-6UL
Normally Closed–SPST and UL Recognized
Normally Closed–SPST
Mtg.
Hole
Total
Travel
Action
Actuating
Force (oz.)
Button
Color
30-2 Black
30-6 Red
Part
Number
Operations
at Rated
Load
Rating at
115 Vac
Resistive
Rating at
220 Vac
Resistive
Momentary 8 ± 4
UL Recognized
Mtg.
Hole
Total
Travel
Action
Actuating
Force (oz.)
Button
Color
30-2UL Black
30-6UL Red
Part
Number
Operations
at Rated
Load
Rating at
120 Vac
Resistive
Rating at
220 Vac
Resistive
5 Amp —– 6,000
Momentary 8 ± 4
DIMENSIONS In Inches (and millimeters)
1 Amp
1
/2 Amp 1,000,000
.065 + .010/ - .015 17/64"
(1,65 + 0,25/ - 0,38) (6,75)
.065 + .010/ - .015 17/64"
(1,65 + 0,25/ - 0,38) (6,75)
30-251 RED Red
30-251 BLK Black
.062 ± .020 17/64"
(1,57 ± 0,51) (6,75)
30-252 RED Red
30-252 BLK Black
.065 ± .010 17/64"
(1,65 ± 0,25) (6,75)
1 Amp
1
/2 Amp 250,000
.162 r .005
(4,11 r 0,13) DIA.
A
1.005
(25,53)
REF.
1/4-32 UNEF-2A
THREAD
.375
r .005
(9,53 r 0,13)
.230 REF.
(5.8)
D
C
B
A = .150 r .015
(3,81 r 0,38)
B = .250 r .010
(6,35 r 0,25)
C = .375 r.015
(9,53 r 0,38)
D = .230r .020
(5,84 r 0,51)
HEX MOUNTING NUT
.375 (9,53) ACROSS FLATS
.109 (2,77) THICK
LABEL*
*PART NUMBER
AND E.I.A. DATE
CODE LABEL
A
1.104
(28,04)
REF.
T = 1/4-32
UNEF-2A
THREAD
O = O RING
.437
r .010
(11,10 r 0,25)
ACROSS FLATS OF HEX.
.505 (12,83) REF.
ACROSS CORNERS
D
C
B
O
A = .209 r .015
(5,31 r 0,38)
B = .250 r .010
(6,35 r 0,25)
C = .415 r .015
(10,54 r 0,38)
D = .230 r .015
(5,84 r 0,38)
E = .187 r.010
(4,75 r 0,25)
F = .100 r .010
(2.54 r 0,25)
F
T
SNAP ON CAP
E
.375 r .010 DIA.
(9,53
r 0,25)
HEX MTG NUT
.312 (7,92)
ACROSS FLATS
.062 (1,57)
THICK
LABEL*
.230 REF.
(5.8)
*PART NUMBER
AND E.I.A. DATE
CODE LABEL
Pushbutton
44
Pushbutton Switches
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Butt Contact Pushbutton Switches
Normally Open–SPST With
Overtravel
30-15
30-37
DIMENSIONS In Inches (and millimeters)
Normally Open–SPST With
Positive Feel
30-17*
Normally Open–SPST With
Push-Pull
30-16*
Mtg.
Hole
Total
Travel
Action
Actuating
Force (oz.)
Button
Color
30-15 Red
30-37 Black
Part
Number
Operations
at Rated
Load
Rating at
115 Vac
Resistive
Rating at
220 Vac
Resistive
8 ± 4
Button
Color
Operations
at Rated
Load
Rating at
115 Vac
Resistive
Rating at
220 Vac
Resistive
1 Amp
1
/2 Amp 100,000
*Complete
Part
Number
30-16 RED Red
30-16 BLK Black
Mtg.
Hole
Total
Travel
Action
Actuating
Force (oz.)
Push-to-Make 56 ± 16
Momentary .125 + .020/ - .010 17/64"
.020" Overtravel (3,18 + 0,51/ - 0,25) (6,75)
1 Amp
1
/2 Amp 500,000
.145 ± .015 31/64"
(3,68 ± 0,38) (12,30)
C
.162 r .005
(4,11 r 0,13)
A
1.077
(27,36)
REF.
1/4-32 UNEF-2A
THREAD
.375
r .005
(9,53 r 0,13)
D
B
A = .150 r .015
(3,81 r 0,38)
B = .250 r .010
(6,35 r 0,25)
C = .455 r.015
(11,56 r 0,38)
D = .222 r .020
(5,64 r 0,51)
HEX NUT
(SEE H)
H = HEX NUT
3/8 r .010 (9,53 r 0,25)
ACROSS FLATS
3/32 r .010 (2,38 r 0,25)
THICK
LABEL*
.186 REF.
(4.7)
*PART NUMBER
AND E.I.A. DATE
CODE LABEL
.390 ± .010
(9,91 ± 0,25)
15/32-32
UNS-2A
THREAD
A = .392 ± .015
(9,96 ± 0,38)
B = .421 ± .015
(10,69 ± 0,38)
C = .315 ±.015
(8,00 ± 0,38)
D = .222 ± .020
(5,64 ± 0,51)
E = .205 (5,21)
REF.
HEX NUT (2)
(SEE H)
A
E
1.35
(34,3)
REF.
D
C
B
H = HEX NUT
9/16 ± .010 (14,29 ± 0,25)
ACROSS FLATS
3/32 ± .010 (2,38 ± 0,25) THICK
LABEL*
.186 REF
(4.7)
*PART NUMBER
AND E.I.A. DATE
CODE LABEL
.187 ± .005
(4,75 ± 0,13)
A
1.45
(36,8)
REF.
15/32-32
UNS-2A
THREAD
D
C
B
A = .493 ± .015
(12,52 ± 0,38)
B = .421 ± .015
(10,69 ± 0,38)
C = .315 ±.015
(8,00 ± 0,38)
D = .222 ± .020
(5,64 ± 0,51)
HEX NUT (2)
(SEE H)
H = HEX NUT
9/16 ± .010 (14,29 ± 0,25)
ACROSS FLATS
3/32 ± .010 (2,38 ± 0,25) THICK
LABEL*
.186 REF
(4.7)
*PART NUMBER
AND E.I.A. DATE
CODE LABEL
Rating at
115 Vac
Resistive
Rating at
220 Vac
Resistive
30-17 RED Red
30-17 BLK Black
Button
Color
*Complete
Part
Number
Operations
at Rated
Load
1 Amp
1
/2 Amp 200,000
Action
Mtg.
Hole
Total
Travel
Actuating
Force (oz.)
Over
Travel
18 ± 4
Momentary .156 ± .015 .046 (1,17) 31/64"
Pos. Feel (3,96 ± 0,38) Min. (12,30)
Pushbutton
45
12NEXT
Address
Freelance Electronics
13197 Sandoval Street
Santa Fe Springs, CA 90670
 
Hours of Operation  (Holiday Hours)
Monday-Friday 7:30am-4:30pm PST
(Deadline for next day shipment 2:00pm PST)
Seal
Government Cage code#-1V4R6
Duns Number# 788130532
Certified Small Disadvantaged Business
Customer Service
Company
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