Overmolded Reed Switches Low Power > 59045 59045 Miniature PCB Mountable Reed Switch + 57045 Actuator Description The 59045 is a miniature PCB-mountable reed switch, 17.78mm x 4.32mm x 3.3mm (0.700 x 0.170 x 0.130) with a normally open contact. It has moulded stand-offs to allow board washing. It is capable of switching up to 200Vdc at 10W. It functions best with the matching actuator 57045-000. Note: The 57045 Actuator is sold separately. Features Certified for use in North American Two-part magnetically operated Hazardous Locations: Class I, proximity switch Division 2 and Zone 2 Normally open contact configuration ATEX certified for use in European Moulded stand-offs to allow explosive atmospheres: II 3 G board washing Ex nC IIC Gc Wave solder capable RoHS compliant Agency Approvals Benefits Agency Agency File Number Mounts directly into printed Hermetically sealed, magnetically circuit board operated contacts continue to E61760 No standby power requirement operate long after optical and other E471070 Operates through non-ferrous technologies fail due materials such as wood, plastic to contamination DEMKO 14 ATEX 1393U or aluminium II 3 G Ex nC IIC Gc Note: Contact Littelfuse for specific agency approval ratings. Applications Position and Limit Sensing Door Switch Security System Switch Dimensions Dimensions in mm (inch) D B D B Actuator A Switch A E C C F A B C D E F Max. Max. 0.25 (.010) Max. 0.38 (.015) Nom. 4.32 17.78 3.3 57045 Actuator * (.170) (.700) (.130) 4.32 17.78 15.24 3.3 3.3 0.4699 59045 Switch (.170) (.700) (.600) (.130) (.130) (.0185) Dia. * Mounting: 1.57 (.062) thick board, 3.17 (.125) holes on 13.72mm (.540) centerline. 2020 Littelfuse Revised: 01/07/20 littelfuse.com Specifications are subject to change without notice.Overmolded Reed Switches Low Power > 59045 59045 Miniature PCB Mountable Reed Switch + 57045 Actuator Electrical Ratings Contact Type Normally Open Switch Type 1 1 Contact Rating VA/Watt - max. 10 2 Switching Vdc - max. 200 3 Voltage Vac - max. 140 4 Breakdown Vdc - min. 250 2 Switching Adc - max. 0.5 3 Current Aac - max. 0.35 Carry Adc - max. 1.2 Contact, Initial - max. 0.2 Resistance 10 Insulation - min. 10 Capacitance Contact pF - typ. 0.3 Temperature Operating C -40 to +105 Product Characteristics 5 Operate Time ms - max. 1.0 5 Release Time ms - max. 1.0 6 Shock 11ms 12 sine G - max. 100 6 Vibration 50-2000 Hz G - max. 30 Notes: 1. Contact rating - Product of the switching voltage and current should never exceed the wattage rating. Contact Littelfuse for additional load/life information. 2. When switching inductive and/or capacitive loads, the effects of transient voltages and/or currents should be considered. Refer to Application Notes AN108A and AN107 for details. 3. Electrical Load Life Expectancy - Contact Littelfuse with voltage, current values along with type of load. 4. Breakdown Voltage - per MIL-STD-202, Method 301. 5. Operate (including bounce)/Release Time - per EIA/NARM RS-421-A, diode suppressed coil (Coil II). 6. Shock and Vibration - per EIA/NARM RS-421-A and MIL-STD-202. Sensitivity Options (Using 57045 Actuator) Select Option S T U Activate Distance, D Activate Distance, D Activate Distance, D Pull-In Pull-In Pull-In Switch Type mm (inch) mm (inch) mm (inch) AT Range AT Range AT Range Average Average Average 1 Normally Open 15-20 5.0 (.196) 20-25 4.3 (.170) 25-30 3.8 (.150) Note: Pull-In Range - Contact Littelfuse for narrower AT ranges available. These AT values are the before molding and modification AT of the 59045. D 2020 Littelfuse Revised: 01/07/20 littelfuse.com Specifications are subject to change without notice.