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Compact cylindrical Littelfuse 59025-3-T-02-A reed sensor offering performance in harsh environments

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Compact cylindrical Littelfuse 59025-3-T-02-A reed sensor offering performance in harsh environments

Operating Temperature : -40℃~+105℃

Description : Position, Proximity, Speed (Modules) RoHS

Mfr. Part # : 59025-3-T-02-A

Model Number : 59025-3-T-02-A

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Product Overview

The Littelfuse 59025 Reed Sensor is a compact, cylindrical, non-contact switching solution designed for wet and harsh environments. It offers a choice of normally open, normally closed, or change-over contacts, capable of switching up to 265 Vac/300 Vdc at 10 VA. Its hermetically sealed, IP67-rated design, coupled with UL and REACH compliance, makes it ideal for industrial, appliance, and IoT proximity sensing applications, including security and access control, factory automation, and energy management systems. It functions best with the 57025 actuator and can operate through non-ferrous materials, allowing for effective concealment and easy installation.

Product Attributes

Brand: Littelfuse
Model: 59025
Certifications: UL Recognized per UL 508, CSA C22.2 No. 14, REACH Compliant
Sealing: Hermetically sealed, IP67 rated
Housing Material: 30% GF P.B.T
Housing Color: Black
Actuator Compatibility: 57025 Actuator

Technical Specifications

Specification	Value	Unit	Notes
Sensor Dimensions (L x Dia.)	25.4 x 6.22	mm (1.00 x 0.245)
Switching Voltage (Vac)	265	max.
Switching Voltage (Vdc)	300	max.
Contact Rating	10	VA/Watt	max.
Operate Time	1.0	ms	max.
Release Time	1.0	ms	max.
Shock Rating	100	G	max. (11ms 12 sine)
Vibration Rating	30	G	max. (50-2000 Hz)
Operating Temperature	-40 to +105	C	(for Normally Open, Change Over)
Operating Temperature	-20 to +105	C	(for High Voltage)
Contact Resistance (Initial)	0.2		max.
Insulation Resistance	10¹⁰		min.
Contact Capacitance	0.3	pF	typ. (Normally Open, Change Over)
Contact Capacitance	0.2	pF	typ. (High Voltage)
Cable Type	24 AWG 7/32 PVC 105C		UL1430/UL1569
Cable Length Options	02 (300 mm +/- 10.00 mm)		(11.81 +/- 0.394 inch)
Cable Length Options	05 (1000 mm +/- 10.00 mm)		(39.37 +/- 0.394 inch)
Termination Option	A		Tinned leads (6.40.76) mm
Switch Type	1 (Normally Open)		Pull-In AT Range: 12-18, Activation Distance: 5-14, Deactivation Distance: 6-16
Switch Type	2 (High Voltage)		Pull-In AT Range: 17-23, Activation Distance: 3-9, Deactivation Distance: 5-12
Switch Type	3 (Change Over)		Pull-In AT Range: 15-20, Activation Distance: 3-11, Deactivation Distance: 5-16
Switch Type	4 (Normally Closed)		Pull-In AT Range: 15-20, Activation Distance: 4-11, Deactivation Distance: 5-16

2410010304_Littelfuse-59025-3-T-02-A_C1526694.pdf

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