Snap-action Microswitches - Ultraminiature F4 F4 Characteristics K High electrical rating from a very small switch K K Long mechanical and electrical life Gold-plated contact option A Rating Up to 250 VAC, 5 A Dimensions (mm) 12.8 x 10 x 5 Actuator Plunger, plain lever, simulated roller (cam follower) lever Approvals UL and CSA Preferred Product Range Ordering Actuating Force Reference (N) (oz) Sealing Operating position (mm) (in) Terminal Circuit Actuator Contacts Electrical rating F4T7UL 1.4 5.0 IP40 8.1 0.32 Solder CO Plunger Silver Up to 250 VAC, 5 A F4T7GPUL 1.4 5.0 IP40 8.1 0.32 Solder CO Plunger Gold plate Up to 250 VAC, 5 A F4T7Y1UL 0.6 2.2 IP40 8.2 0.32 Solder CO Plain lever Silver Up to 250 VAC, 5 A F4T7Y1GPUL 0.6 2.2 IP40 8.2 0.32 Solder CO Plain lever Gold plate Up to 250 VAC, 5 A F4T7YCUL 0.7 2.5 IP40 10.3 0.41 Solder CO Simulated roller Silver Up to 250 VAC, 5 A F4T7YCGPUL 0.7 2.5 IP40 10.3 0.41 Solder CO Simulated roller Gold plate Up to 250 VAC, 5 A saia-burgess Switches Ph: 800-429-0365 www.saia-burgess-usa.com Fax: 847-549-9625 A11 Snap-action Microswitches - Ultraminiature F4 Specifications Housing Plunger Mechanism Functions Contacts Terminals Temperature range C Mechanical life Protection Mounting Actuators Accessories A Glass fiber reinforced nylon Nylon Snap-action, single pole Change-over, Normally open, Normally closed Fixed, Moving - Silver or Gold plate on silver 2.0 mm (0.08 in) faston and solder - brass, gold flashed -40C to +85C 107 cycles minimum (impact free actuation) IP 40 (enclosure) Side mounting Plain lever; simulated roller (cam follower) lever Lug mounting frame, insulating sheet, spring-leaf actuator Circuit diagram COMMON 2 NORMALLY CLOSED 4 NORMALLY OPEN 1 Free position F4T7 OP Free position F4T6 OP Dimensions (mm) Mounting holes Mounting holes OP = Operating Position Recommended Maximum Electrical Ratings Voltage (max) Load (A) Approval 250 VAC 125 VAC 5 (0.75 pf) 5 (0.75 pf) UL 1054/CSA 22.2 No. 55 - 6,000 operations UL 1054/CSA 22.2 No. 55 - 6,000 operations 0 - 15 VDC 15 - 30 VDC 5 3 General rating - 50,000 operations General rating - 50,000 operations F4 switches are available with either silver or gold-plated silver contacts. Switches with gold-plated contacts are intended for use in circuits where switching is at milliwatt levels. In this case, the power being switched must be limited to avoid the erosion of gold plate from the contact area. However, as the underlying contacts are silver, the same power ratings apply. A12 saia-burgess Switches Ph: 800-429-0365 www.saia-burgess-usa.com Fax: 847-549-9625 Snap-action Microswitches - Ultraminiature F4 Operating Characteristics Actuator Plunger mm [in] Actuating Force Maximum (N) (oz) Release Force Minimum (N) (oz) Free Position Maximum (mm) (in) (mm) F4T6 F4T7 1.4 5.0 0.25 0.90 8.8 0.35 8.1 +0.3 -0.2 0.32 +0.01 -0.008 0.13 0.005 F4T6Y1 F4T7Y1 0.6 2.2 0.07 0.25 10.0 0.39 8.2 +1.0 -0.7 0.32 +0.04 -0.03 0.70 0.030 0.7 2.5 0.09 0.32 11.7 0.46 10.3 +0.8 +0.03 0.41 -0.55 -0.02 0.45 0.020 Reference Operating Position Movement Differential Maximum (mm) (in) (in) Over travel A * 3.4 [0.13] 1.6 [0.06] Burgess Y1-Lever mm [in] * 21.0 [0.83] 7.5 [0.3] Burgess Width of lever 3.0 mm/0.12 in F4T6YC F4T7YC YC-Lever mm [in] R2.4 [0.09] 16.9 [0.67] * 7.5 [0.3] Burgess 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. Ordering Reference - How to Build a Part Number F4 Terminals T6 T7 Circuit No digit C2 C4 Actuators No digit Y1 YC Contacts No digit GP Approvals UL Faston Solder Change-over Normally closed Normally open Plunger Plain lever Simulated roller 21.0 mm (0.83 in) 16.9 mm (0.67 in) Silver Gold plate on silver UL and CSA saia-burgess Switches Ph: 800-429-0365 www.saia-burgess-usa.com Fax: 847-549-9625 A13