Standard Heavy Duty Limit Switches FD/FP/FL Heavy duty limit switches with snap-action contacts and positive break according to BS/EN60947-5-1. Bifurcated contacts for low resistance and high reliability suitable for switching low-level electronic currents Double-break contacts with electrically separate NO and NC circuits in conformity with VDE 0660 part 206 10A 500VAC/600VDC rated Lever types can be user-set to switch by clockwise movement only, anti-clockwise only or both Turret head position rotatable in 90 increments Centre-position indicator arrow lever actuators Wide range of actuators Single and triple cable entry models Removable contact block for ease of wiring Metal or plastic housing options IP66 according to BS EN60947-1 FD and FP dimensions in accordance with EN50041 UL and CUL approved Options and ordering codes FD 5 01 Heavy duty metal housing FD Heavy duty plastic housing FP Triple-entry metal housing FL Please note: Snap-action contacts, 1NO + 1NC 5 - Standard actuators - see following pages for type options Positive break Slow-action, break before make 1NO + 1NC 6 38 Specify lever type for lift-style switches applies to the Slow-action, make before break 1NO + 1NC 7 VFL313 Fixed position roller NC contacts of types 5, 6, Slow-action contacts, 2NC 9 VFL353 Single adjustment roller 7, 9, 11, 20, Slow-action contacts, 2NO 10 VFL354 Dual adjustment roller 21 and 22 Snap-action contacts, 2NC 11 only. - Standard actuators - see following pages for type options Slow-action contacts, break before make 2NC + 1NO 20 385 Specify lever type for life-style switches Slow-action contacts, 3NC 21 VFL313 Fixed position roller Slow-action contacts, break before make 1NC + 2NO 22 VFL353 Single adjustment roller Snap-action contacts, 2NO + 2NC 2 VFL354 Dual adjustment roller Contact ratings Terminal connections BS/EN 60947-5-1 Terminal screws: M3.5 with rising cable clamps. AC15 Control of AC electromagnetic 230VAC 6A Standard contacts: (type 5) NO: 1314 NC: 2122 loads>72VA sealed replaces AC11 400VAC 4A Note: The positive break of the type 5 contact block applies to the NC contacts only. Connections to safety circuits should NOT be made using the NO 500VAC 1A contacts. DC13 Control of DC electromagnetic 24VDC 6A To ensure positive breaking of the contacts, exceed the pre-travel by 1.5mm or loads where the time taken to reach 125VDC 1.1A 25 according to the model. Maximum screw tightening torque 0.8Nm 95% of the rated current is equal to 250VDC 0.4A (8Kgcm) 6 times the power of the load (where P 50W) replaces DC11 FD/FP/FL/03/03 www.imopc.comStandard Heavy Duty Limit Switches FD/FP/FL continued Specification Rated thermal current Ith 10A Rated working voltage 500VAC/600VDC Maximum operating frequency 6000/hour Mechanical life >20 million operations Contact form 1NO + 1NC Initial contact resistance <25 mOhms Contact gap >2.5mm (2 x 1.25mm conforming to VDE 0660 part 206) Contact material silver Dielectric strength 2000VAC, 50/60Hz for 1 minute between open contacts 2000VAC, 50/60Hz for 1 minute between current-carrying parts and ground Protection rating IP65 Ambient operating temperature 25 to +80 deg. C Ambient humidity 95% R.H. 2 2 Maximum wire size 2 x 1.5mm flexible, 2 x 2.5mm solid Housing material FD/FL die-cast metal alloy, FP: self-extinguishing, glass-reinforced, thermoplastic resin Conduit entry PG 13.5 Programmable head lever operation models All limit switches with lever operation in the FD/FP/FL ranges can be user-set The models to which this applies are: 531 532 533 535 536 538 551 to switch by clockwise rotation only, anti-clockwise only or both. To change 552 553. the operation, which is factory set to switch in both directions, the four Figure 1 shows the piston position for switching in both directions, figure 2 screws securing the turret head should be loosened, the head removed and for clockwise only and figure 3 for anti-clockwise only. the internal piston rotated through 90. The head should then be replaced. Standard actuator options FD and FP series Actuator type 01 Actuator type 02 Piston plunger One-way roller - top actuated Operating force min. OF 820g OF 615g Pre-travel PT 2mm PT 2.9mm Over-travel OT 4mm OT 5.6mm Movement differential MD 1mm MD 1.6mm Operating point OP 22mm OP 49.1mm Operating speed max. OS 0.5m/s OS 0.5m/s using a 30 cam Note: 20mm plastic roller as standard, 20mm metal roller actuator part no.: 021 FD/FP/FL/03/03 www.imopc.com