Product Overview
The Littelfuse 59135 is a high-temperature flange-mount reed sensor designed for reliable position and limit sensing in demanding environments. Featuring a durable thermoset overmold and hermetically sealed contacts, it offers long-term operation even in contaminated conditions. This sensor is rated for operation up to 150C and can switch up to 265Vac/300Vdc at 10VA. It is optimized for use with the 57135 actuator and offers a choice of contact types (Normally Open, Normally Open High Voltage, Normally Closed, Changeover) and customizability for cable length and connector. Its applications include security systems, linear actuators, and door switches.
Product Attributes
- Brand: Littelfuse
- Product Series: 59135 (Sensor), 57135 (Actuator)
- Mounting Type: Flange Mounting
- Operating Temperature: Up to 150C (for 59135)
- Overmold Material: Thermoset
- Wire Insulation: Teflon
- Agency Approvals: E61760 (Details to be confirmed with Littelfuse)
Technical Specifications
| Specification | Value | Notes |
|---|---|---|
| Sensor Model | 59135 | |
| Actuator Model | 57135-000 | Sold separately |
| Dimensions (Sensor) | 28.57mm x 19.05mm x 6.35mm (1.125 x 0.750 x 0.259) | |
| Switching Capacity | Up to 265Vac / 300Vdc at 10VA | |
| Contact Types Available | Normally Open, Normally Open High Voltage, Normally Closed, Changeover | |
| Mounting Holes | Cross-slotted for adjustability | |
| Standby Power Requirement | None | |
| Contact Rating (Max) | 10 VA/Watt | Product of switching voltage and current should not exceed this rating. |
| Switching Voltage (Max) | 400 Vdc | Varies by contact type |
| Switching Current (Max) | 1.2 Adc | Varies by contact type |
| Contact Resistance (Initial) | 0.2 (max) | |
| Insulation Resistance | 109 - 1010 (min) | |
| Operate Time (Max) | 1.0 ms - 3.0 ms | Varies by contact type |
| Release Time (Max) | 1.0 ms - 3.0 ms | Varies by contact type |
| Shock Rating (Max) | 50 - 100 G | 11ms 12 sine, varies by contact type |
| Vibration Rating (Max) | 30 G | 50-2000 Hz |
| Cable Length Option | 300 mm (11.81 inches) | Standard, custom lengths available |
| Termination Options | Tinned leads, Untinned leads, JST type XHP | |
| Packaging | Bulk (500 pcs) | |
| Part Numbering System | 59135 - X - X - XX - X | Series - Switch Type - Sensitivity - Termination - Cable Length |
| Sensitivity Options (with 57135 Actuator) | S, T, U, V | Affects Pull-In AT Range and Activate Distance |
2411280113_Littelfuse-59135-1-T-02-F_C17630188.pdf
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