Specification sheet

Economy Non-Illuminated Plastic Push Buttons Specifications
A. Mechanical Characteristics
Contact Operation
Operating Travel
NO/NC Slow Break
Changing NC status = 2mm
Changing NO status = 2mm
Total travel = 3.5mm
Changing NC status = 4.22mm
Changing NO status = 5.60mm
Travel required to change NC status = 0.65mm
Travel required to change NO status = 1.65 to 1.98mm
Total travel = 3.8mm
1NO; 1NO + 1NC; 2NC
0.5Nm / 4.5lbs. in.
Operating Force for 3PSF Series
Contact Configurations
Terminal Torque
B. Mechanical Durability
Push Button, Spring Return
Push-Push Type
Applicable Standard
Degree of Protection
Temperature Range
C. Electrical Characteristics
Rating
1 Million Operations
100,000 Operations
UL508; IS13947-5-1; CSA 22.2
IP65 (as per IS 13947); Nema Type 4X,12 (as per UL50)
-25° to +85°C (-13°F to 180°F)
For AC:
D300= 120V, make current 3.6A & break current 0.60A
(thermal current=1.0A)
C300= 120V, make current 15A & break current 1.5A
(thermal current=2.5A)
For DC:
R300= 125V, make or break current 0.22A
(thermal current=1.0A)
& Q300=125V, make or break current 0.55A
(thermal current=2.5A)
2 X 1.5mm2; 1 X 0.5mm2 (min); 1 X 2.5mm2 (max)
Terminal Capacity for wiring
Contact Material
• Moving contact = Phosphor Bronze
• Fixed Contact = Brass silver plated 2 microns
4A fuse
2.5KV
500M ohm
2.5A
Short Circuit Protection
Dielectric Test
Rated insulation Resistance
Rated Thermal Current
Dimensional Drawings
All dimensions shown in millimeters.
To convert to inches multiply by 0.03937
28.7
11
14
12
12(NO)
14(NC)
3PSF411
11 3806
11
13
12
13
51.0
Altech Corp.® • 35 Royal Road • Flemington, NJ 08822-6000 • Phone (908)806-9400 • FAX (908)806-9490 • www.altechcorp.com
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