59075-1-T-02-E [LITTELFUSE]
Reed Sensors;
LITTELFUSE 
Reed Sensors
Firecracker > 59075
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.
Note: The 57075 Actuator is sold separately.
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
Dimensions
Dimensions in mm (inch)
M16x1mm PITCH
NUTS M16x2
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
12.50
(.4ꢀ2)
33.0
(1.300)
8.0
(.315)
30.00
(1.181)
Applications
M12x1mm PITCH
• Off-road and Heavy Vehicles
• Farm Machinery
NUTS M12x2
6.35 (.250) NOM.
36.0
(1.417)
30.00 (1.18) NOM.
10.00
Cable Options (.3ꢀ3)
46.0
(1.81)
© 2015 Littelfuse
Revised: 10/12/15
littelfuse.com
Specifications are subject to change without notice.
Reed Sensors
Firecracker > 59075
59075 Stainless Steel M12 Threaded Barrel Sensor + 57075 Actuator
Electrical Ratings
Normally Open
HighVoltage
Contact Type
Normally Open
Change Over Normally Closed
Switch Type
1
2
3
5
4
5
Contact Rating 1
VA/Watt - max.
10
10
Switching 2
Vdc - max.
Vac - max.
Vdc - min.
200
140
250
300
265
400
175
120
200
175
120
200
Voltage 4
Breakdown 3
Switching 2
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
Current 4
Carry
Contact, Initial
Insulation
Ω - max.
Ω - min.
0.2
0.2
0.2
109
0.2
109
Resistance 5
1010
1010
Capacitance
Temperature
Contact
pF - typ.
°C
0.3
0.2
0.3
0.3
Operating
-40 to +105
-20 to +105
-40 to +105
-40 to +105
Product Characteristics
Operate Time 6
Release Time 6
Shock 7
ms - max.
ms - max.
G - max.
G - max.
1.0
1.0
100
30
1.0
1.0
100
30
3.0
3.0
50
3.0
3.0
50
11ms ꢀ sine
50-2000 Hz
Vibration 7
30
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. 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
Activate Distance
mm (inch)
Activate Distance
mm (inch)
Activate Distance
mm (inch)
Activate Distance
mm (inch)
Pull-In AT
Range
Pull-In AT
Range
Pull-In AT
Range
Pull-In AT
Range
Switch Type
Average
Average
Average
Average
1
2
3
4
Normally Open
High Voltage
Change Over
12-18
--
25.0 (.984)
--
17-23
17-23
20-25
20-25
21.0 (.827)
21.0 (.827)
20.0 (.787)
20.0 (.787)
22-28
22-28
25-30
25-30
19.0 (.748)
19.0 (.748)
18.0 (.709)
18.0 (.709)
27-33
27-33
--
17.5 (.689)
17.5 (.689)
15-20
23.0 (.906)
23.0 (.906)
--
--
Normally Closed 15-20
--
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.
Schematics
Switch Type
Blue
1 and 2
Sensor
Actuator
Brown
Black
Blue
Red
3
4
Blue
Brown
D
© 2015 Littelfuse
Revised: 10/12/15
littelfuse.com
Specifications are subject to change without notice.
Reed Sensors
Firecracker > 59075
59075 Stainless Steel M12 Threaded Barrelt Sensor + 57075 Actuator
Cable Length Specification
Part Numbering System
Cable Type: BS 6500 3A 16/0.2 PVC DOUBLE INSULATED
Sensor:
59075 - X - X - XX - X
Cable Length
Select Option
mm (inch)
02
300 (11.81)
Series
Termination Specification
SwitchType
1, 2, 3, or 4
Termination Options
Sensitivity
S, T, U, or V
Select
Option
Description
(Two-wire versions illustrated)
Cable Length
A
F
Tinned leads (6.4 0.76)mm
Untinned leads (6.4 0.76)mm
02
Termination
A or F
57075 - 000
Actuator:
Series
Standard Actuator
000
Note: The 57075 Actuator is sold separately.
Packaging
Packaging Option
Packaging Specification
Quantity
Quantity & Packaging Code
Taping Width
Bulk
Bulk
500
N/A
N/A
© 2015 Littelfuse
Revised: 10/12/15
littelfuse.com
Specifications are subject to change without notice.
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