Datasheet

littelfuse.com© 2016 Littelfuse Revised: 03/04/16
Specifications are subject to change without notice.
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.
Agency Approvals
Agency Agency File Number
E61760
E471070
DEMKO 14 ATEX 1393U
II 3 G Ex nC IIC Gc
Overmolded Reed Switches
Features
• Two-part magnetically operated
proximity switch
• Normally open contact configuration
• Moulded stand-offs to allow
board washing
• Wave solder capable
• Certified for use in North American
Hazardous Locations: Class I,
Division 2 and Zone 2
• ATEX certified for use in European
explosive atmospheres: II 3 G
Ex nC IIC Gc
Benefits
• Mounts directly into printed
circuit board
• No standby power requirement
• Operates through non-ferrous
materials such as wood, plastic
or aluminium
• Hermetically sealed, magnetically
operated contacts continue to
operate long after optical and other
technologies fail due
to contamination
Applications
• Position and Limit Sensing
• Security System Switch
• Door Switch
Dimensions
Dimensions in mm (inch)
Low Power > 59045
A
Max.
B
Max.
C
±0.25 (.010)
D
Max.
E
±0.38 (.015)
F
Nom.
57045 Actuator
4.32
(.170)
17.78
(.700)
*
3.3
(.130)
– –
59045 Switch
4.32
(.170)
17.78
(.700)
15.24
(.600)
3.3
(.130)
3.3
(.130)
0.4699
(.0185”) Dia.
Note: The 57045 Actuator is sold separately.
* Mounting: 1.57 (.062) thick board, 3.17 (.125) holes on 13.72mm (.540) centerline.
D
D
A
A
E
F
B
B
Switch
Actuator
C
C
Note: Contact Littelfuse for specific agency approval ratings.