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. This hermetically sealed, IP67 rated sensor is ideal for a wide range of industrial, appliance, and IoT proximity sensing applications, including security and access control, factory automation, and process equipment. It functions best with the 57025 actuator and can operate through non-ferrous materials. Key advantages include no leakage current in the 'open' state, making it suitable for battery-powered IoT devices, and easy installation with effective concealment.
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
Technical Specifications
| Specification | Value | Notes |
|---|---|---|
| Sensor Dimensions (L x Dia.) | 25.4 mm (1.00) x 6.22 mm (0.245) | |
| Contact Rating (max.) | 10 VA | Product of switching voltage and current should not exceed wattage rating. |
| Switching Voltage (Vac max.) | 265 | |
| Switching Voltage (Vdc max.) | 300 | |
| Operate Time (ms max.) | 1.0 (for NO/NC types) | Includes bounce. |
| Release Time (ms max.) | 1.0 (for NO/NC types) | |
| Shock Rating (max.) | 100 G (11ms 1/2 sine) | |
| Vibration Rating (max.) | 30 G (50-2000 Hz) | |
| Operating Temperature | -40 to +105 C (for NO/High Voltage types) | -20 to +105 C (for Change Over type) |
| Contact Resistance (Initial, max.) | 0.2 | For 300 mm wire length. |
| Insulation Resistance (min.) | 109 (for Change Over) | 1010 (for NO/High Voltage types) |
| Contact Capacitance (typ.) | 0.3 pF (for NO/High Voltage/Change Over) | 0.2 pF (for High Voltage type) |
| Cable Type | 24 AWG 7/32 PVC 105C UL1430/UL1569 | |
| Cable Length Options | 300 mm [11.81 in] (02) | 1000 mm [39.37 in] (05) |
| Termination Option | Tinned leads (6.40.76) mm | |
| Switch Type | 1: Normally Open | Pull-In AT Range: 12-18, Activation Distance: 5-14 mm, Deactivation Distance: 6-16 mm |
| Switch Type | 2: High Voltage | Pull-In AT Range: 17-23, Activation Distance: 3-9 mm, Deactivation Distance: 5-12 mm |
| Switch Type | 3: Change Over | Pull-In AT Range: 15-20, Activation Distance: 3-11 mm, Deactivation Distance: 5-16 mm |
| Switch Type | 4: Normally Closed | Pull-In AT Range: 15-20, Activation Distance: 4-11 mm, Deactivation Distance: 5-16 mm |
2411261541_Littelfuse-59025-1-S-02-A_C5299848.pdf
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