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F4
Snap-action Microswitches
Ultraminiature
F4
Characteristics
small size
long mechanical and electrical life
solder
2 mm faston
PCB terminals
Rating
250 VAC, 5 A
Dimensions (mm)
12.8 10 5
Actuator
Plunger
plain lever
simulated roller lever/cam follower
Approvals
UL, CSA
Preferred Range
Ordering Reference
Actuating Force Sealing Operating pos. Terminal Circuit Actuator Contacts Electrical rating
(N) (ozf) (mm) (in)
F4T7UL
1.4 5.00 IP40 8.1 0.32 Solder CO Plunger Ag Up to 250 VAC, 5 A
F4T7GPUL
1.4 5.00 IP40 8.1 0.32 Solder CO Plunger Gold plate Up to 250 VAC, 5 A
F4T7Y1UL
0.6 2.20 IP40 8.2 0.32 Solder CO Plain lever Ag Up to 250 VAC, 5 A
F4T7Y1GPUL
0.6 2.20 IP40 8.2 0.32 Solder CO Plain lever Gold plate Up to 250 VAC, 5 A
F4T7YCUL
0.7 2.50 IP40 10.3 0.41 Solder CO Simulated roller Ag Up to 250 VAC, 5 A
F4T7YCGPUL
0.7 2.50 IP40 10.3 0.41 Solder CO Simulated roller Gold plate Up to 250 VAC, 5 A
18 | 19
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Specifications
Housing Glass fibre reinforced nylon
Plunger Nylon
Mechanism Snap-action, single pole
Functions Change-over, Normally open, Normally closed
Contacts Fixed, Moving – Ag or Gold plate on Ag
Terminals 2.0 mm (0.08 in) faston and solder - brass, gold flashed
Temperature range ºC -40°C to +85°C
Mechanical life 107 cycles minimum (impact free actuation)
Protection IP 40 (enclosure)
Mounting Side mounting
Actuators Plain lever; simulated roller (cam follower) lever
Accessories Lug mounting frame, insulating sheet, spring-leaf actuator
Circuit diagram
Dimensions
F4
Recommended maximum electrical ratings
Voltage Load Approval
(max) (A)
250 VAC 5 (0.75 pf) UL 1054/CSA 22.2 No. 55 - 6,000 operations
125 VAC 5 (0.75 pf) UL 1054/CSA 22.2 No. 55 - 6,000 operations
0 - 15 VDC 5 General rating - 50,000 operations
15 - 30 VDC 3 General rating - 50,000 operations
1
4
2
COMMON
OPEN
NORMALLY
CLOSED
NORMALLY
2 Mounting holes
F4T6 F4T7
Free position
OP
Mounting holes
Free position
OP
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www.saia-burgess.com saia-burgess Switches
F4
Operating Characteristics
Actuating Release Free Operating Movement Over
Actuator Reference Force Force Position Position Differential travel
Maximum Minimum Maximum Maximum
(N) (ozf) (N) (ozf) (mm) (in) (mm) (in) (mm) (in)
Plunger
F4T6 1,4 5,00 0,25 0,90 8,8 0,35 8,1 +0.3 0,32 +0.01 0,13 0,005 *
F4T7 –0.2 –0.008
Y1-Lever
F4T6Y1 0,6 2,20 0,07 0,25 10,0 0,39 8,2 +1.0 0,32 +0.04 0,70 0,030 *
F4T7Y1 –0.7 –0.03
Width of lever 3.0 mm/0.12 in
YC-Lever
F4T6YC 0,7 2,50 0,09 0,32 11,7 0,46 10,3 +0.8 0,41 +0.03 0,45 0,020 *
F4T7YC –0.55 –0.02
Width of lever 3.0 mm/0.12 in
Operating characteristics are specified from the mounting holes.
* Plunger can be depressed flush with housing. The housing should not be used as an end stop.
Basic type F4
Terminals
T6 Faston 2.03 0.5 6.6 long
T7 Solder 3.50 0.5 3.6 long
T8 PCB 0.8 0.5 4.0 long
Circuit
No symbol, change-over
C2 Normally closed
C4 Normally open
Actuators
No symbol, without lever
Y1 Plain lever 21.0 mm
YC Cam follower lever 16.9 mm
Contacts Material
No symbol, Ag
GP Gold plate on Ag (GP)
Approvals
No symbol, without approval
UL UL and CSA approval
Special Features / Saia-Burgess specialise in customer specific solutions.
Additional product variants are available or can be provided.
If your requirements cannot be satisfied from the options listed,
please contact www.saia-burgess.com or your local SB outlet.
Type coding key for standard products
R2.4
BurgessBurgess
Burgess
[0.09]
[0.83]
[0.3]
7.5
16.9
[0.67]
[0.3]
21.0
7.5
[0.06]
1.6
[0.13]
3.4
R2.4
BurgessBurgess
Burgess
[0.09]
[0.83]
[0.3]
7.5
16.9
[0.67]
[0.3]
21.0
7.5
[0.06]
1.6
[0.13]
3.4
R2.4
BurgessBurgess
Burgess
[0.09]
[0.83]
[0.3]
7.5
16.9
[0.67]
[0.3]
21.0
7.5
[0.06]
1.6
[0.13]
3.4
Example: F4 T6 C2 Y1 GP UL
20 | 21
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