Compact Heavy Duty Limit Switches FM/FR/FZ/FX Compact 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 Turret head position rotatable in 90 increments Centre-position indicator arrow lever actuators Wide range of actuators Single and dual cable entry models Removable contact block for ease of wiring Metal or plastic housing options IP65 according to BS EN 60947-1 FM and FR dimensions in accordance with EN50047 with dual fixing centres: 20 and 22mm UL and CUL approved Options and ordering codes FM 5 01 7 Compact metal housing FM - Standard turret without reset button Compact plastic housing FR 7 With reset button Dual-entry metal housing FZ 71 Early trip point with reset button Dual-entry plastic housing FX - Standard actuators - see following pages for type options Snap-action contacts, 1NO + 1NC 5 38 Lift style turret pecify lever type for lift-style switches Slow-action, break before make 1NO + 1NC 6 VFL313 Fixed position roller Slow-action, make before break 1NO + 1NC 7 VFL353 Single adjustment roller Slow-action contacts, 2NC 9 VFL354 Dual adjustment roller Slow-action contacts, 2NO 10 Snap-action contacts, 2NC 11 Slow-action contacts, break before make 2NC + 1NO 20 Please note: Positive break applies to the NC contacts of Slow-action contacts, 3NC 21 types 5, 6, 7, 9, 11, 20, 21 and 22 only. Slow-action contacts, break before make 1NC + 2NO 22 Snap-action contacts, 2NO + 2NC 2 Contact ratings Terminal connections BS/EN 60947-5-1 Standard contacts: NO: 1314 NC: 2122 AC15 Control of AC electromagnetic 230VAC 6A Terminal screws: M3.5 with rising cable clamps. 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. To ensure positive breaking of the contacts, exceed the pre-travel by DC13 Control of DC electromagnetic 24VDC 6A 1.5mm or 25 according to the model. Maximum screw tightening torque loads where the time taken to reach 125VDC 1.1A 0.8Nm (8Kgcm) 95% of the rated current is equal to 250VDC 0.4A 6 times the power of the load (where P 50W) replaces DC11 FR/FM/FX/FZ/03/03 www.imopc.comCompact Heavy Duty Limit Switches FM/FR/FZ/FX 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 FM/FZ: die-cast metal alloy, FR/FX: self-extinguishing, glass-reinforced, thermoplastic resin Conduit entry PG 13.5 Standard actuator options FM and FR series Actuator type 01 Actuator type 02 Actuator type 05 Piston plunger One-way roller top actuated One-way roller side actuated Operating force min. OF 820g OF 615g OF 615g Pre-travel PT 2mm PT 2.9mm PT 2.9mm Over-travel OT 4mm OT 5.6mm OT 5.6mm Movement differential MD 1mm MD 1.6mm MD 1.6mm Operating point OP 19mm OP 36.1mm OP Operating speed max. OS 0.5m/s OS 1m/s using a 30 cam OS 1m/s using a 30 cam Note: plastic roller only Note: plastic roller only Actuator type 08 Actuator type 07 Sealed piston plunger One-way roller adjustable OF 820g 3 positions top actuated Also available: Actuator PT 2mm 3 positions side actuated type 10. Piston plunger OT 4mm OF 410g with M12 mounting bush MD 1mm PT 5mm on the turret. OP 30mm OT 8mm Characteristics as for OS 0.5m/s MD 2.8mm type 08 except: OP 47mm OP=34mm. OS 1m/s using a 30 cam Note: plastic roller only radius: pivot to centre of roller = 28mm FR/FM/FX/FZ/03/03 www.imopc.com