59075 Series Datasheet by Littelfuse Inc.

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littelfuse.com© 2017 Littelfuse Revised: 12/18/17
Specifications are subject to change without notice.
59075 Stainless Steel M12 Threaded Barrel Sensor + 57075 Actuator
Description
The 59075 is a robust stainless steel barrel sensor with an M12 x 1mm pitch
thread, 46mm (1.810”) long with a choice of normally open, normally open high
voltage, normally closed or change over contacts. It is capable of switching up to
265Vac/300Vdc at 10VA. It is ideally suited to position and limit sensing in heavy
duty applications such as off road and heavy vehicles such as farm machinery.
The 59075 is complete with two locking nuts and a separate actuator with M16
x 1mm pitch thread available. It functions best with the 57075 actuator.
Reed Sensors
Features
• Two-part magnetically operated
proximity sensor
• Heavy duty stainless steel threaded
barrel with retaining nuts
• M12 by 1.00mm thread
Choice of normally open, high
voltage or change over contacts
• Customer defined sensitivity
• Choice of cable length and
connector
Benefits
• Robust construction makes this
sensor well suited to harsh
industrial environments
• Simple installation and adjustment
using supplied retaining nuts
No standby power requirement
• Operates through non-ferrous
materials such as wood, plastic or
aluminium
Applications
• Off-road and Heavy Vehicles
• Farm Machinery
Dimensions
Dimensions in mm (inch)
Firecracker > 59075
Note: The 57075 Actuator is sold separately.
M16x1mm PITCH
NUTS M16x2
M12x1mm PITCH
NUTS M12x2
6.35 (.250) NOM.
30.00 (1.18) NOM.
10.00
Cable Options±(.393)
12.50
(.492) 33.0
(1.300)
8.0
(.315)
30.00
(1.181)
36.0
(1.417)
46.0
(1.81)
Actuator
Sensor
Actuator
Sensor
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littelfuse.com© 2017 Littelfuse Revised: 12/18/17
Specifications are subject to change without notice.
59075 Stainless Steel M12 Threaded Barrel Sensor + 57075 Actuator
Reed Sensors
Electrical Ratings
Contact Type Normally Open Normally Open
HighVoltage Change Over Normally Closed
Switch Type 1 2 3 4
Contact Rating 1VA/Watt - max. 10 10 5 5
Voltage 4
Switching 2
Breakdown 3
Vdc - max.
Vac - max.
Vdc - min.
200
140
250
300
265
400
175
120
200
175
120
200
Current 4
Switching 2
Carry
Adc - max.
Aac - max.
Adc - max.
0.5
0.35
1.2
0.4
0.30
1.4
0.25
0.18
1.5
0.25
0.18
1.5
Resistance 5Contact, Initial
Insulation
Ω - max.
Ω - min.
0.2
1010
0.2
1010
0.2
109
0.2
109
Capacitance Contact pF - typ. 0.3 0.2 0.3 0.3
Temperature Operating °C -40 to +105 -20 to +105 -40 to +105 -40 to +105
Product Characteristics
Operate Time 6ms - max. 1.0 1.0 3.0 3.0
Release Time 6ms - max. 1.0 1.0 3.0 3.0
Shock 711ms 1⁄2 sine G - max. 100 100 50 50
Vibration 750-2000 Hz G - max. 30 30 30 30
Firecracker > 59075
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. Breakdown Voltage - per MIL-STD-202, Method 301.
4. Electrical Load Life Expectancy - Contact Littelfuse with voltage, current values along with type of load.
5. This resistance value is for 11.81mm wire length. Resistance changes when wire lengthens.
6. Operate (including bounce)/Release Time - per EIA/NARM RS-421-A, diode suppressed coil (Coil II).
7. Shock and Vibration - per EIA/NARM RS-421-A and MIL-STD-202.
8. For custom modifications to the wire length or size, or adding a special connector, please contact Littelfuse.
Sensitivity Options (Using 57075 Actuator)
Select Option S T U V
Switch Type Pull-In
AT Range
Activate Distance−D
mm (inch)
Average
Pull-In
AT Range
Activate Distance−D
mm (inch)
Average
Pull-In
AT Range
Activate Distance−D
mm (inch)
Average
Pull-In
AT Range
Activate Distance−D
mm (inch)
Average
1Normally Open 12-18 25.0 (.984) 17-23 21.0 (.827) 22-28 19.0 (.748) 27-33 17.5 (.689)
2High Voltage -- -- 17-23 21.0 (.827) 22-28 19.0 (.748) 27-33 17.5 (.689)
3Change Over 15-20 23.0 (.906) 20-25 20.0 (.787) 25-30 18.0 (.709) -- --
4Normally Closed 15-20 23.0 (.906) 20-25 20.0 (.787) 25-30 18.0 (.709) -- --
Note:
1. Pull-In AT Range: These AT values are the bare reed switch AT before modification.
2. The activation distance is average value on the final sensor assembly.
D
Sensor Actuator
Schematics Switch Type
1 and 2
3
4
Blue
Brown
Black
Blue
Red
Blue
Brown
59075-X X XX X 57075 000
littelfuse.com© 2017 Littelfuse Revised: 12/18/17
Specifications are subject to change without notice.
Packaging
Packaging Option Packaging Specification Quantity Quantity & Packaging Code Taping Width
Bulk Bulk 500 N/A N/A
Part Numbering System
59075 - X - X - XX - X
Series
Switch Type
1, 2, 3, or 4
Sensitivity
S, T, U, or V
Termination
A or F
Cable Length
02
57075 - 000
Series
Standard Actuator
000
Reed Sensors
Firecracker > 59075
59075 Stainless Steel M12 Threaded Barrelt Sensor + 57075 Actuator
Note: The 57075 Actuator is sold separately.
Sensor:
Actuator:
Cable Length Specification
Cable Type: BS 6500 3A 16/0.2 PVC DOUBLE INSULATED
Select Option Cable Length
mm (inch)
02 300 (11.81)
Termination Specification
Termination Options
Select
Option
Description
(Two-wire versions illustrated)
ATinned leads (6.4±0.76)mm
FUntinned leads (6.4±0.76)mm
Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should
independently evaluate the suitability of and test each product selected for their own applications.
Littelfuse products are not designed for, and may not be used in, all applications. Read complete
Disclaimer Notice at www.littelfuse.com/disclaimier-electronics.

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