Description
Honeywell GLEB01A5B
Technical Specifications
- Housing Style: Metal three conduit housing, EN50047 compatible mounting footprint
- Protection Rating: IP66, NEMA 1,4,12,13
- Contact Form: SPDT snap action contact block
- Actuator Style: Side rotary lever actuator
- Rated Voltage: 250V AC maximum
- Rated Current: 10A resistive load
- Operating Temperature: -25°C to +70°C
- Storage Temperature: -40°C to +85°C
- Conduit Entry: 3 tapped conduit ports
- Mounting Hole Spacing: 20mm to 22mm standard DIN mounting holes
- Approval Certifications: UL, CSA, CE, CCC, IEC 60947-5-1
Functional Features Snap-action contact structure delivers consistent switching point and eliminates contact bounce drift during long service cycles. Integrated sealing structure blocks dust, splashing water, oil mist and airborne particles from internal contact chamber. Gold-plated contact option guarantees stable conduction for low-current logic-level signals without oxidation failure. Multiple conduit ports support flexible cable routing for field wiring layout. Internal contact cavity is isolated from external mechanical actuator assembly to prevent mechanical debris interfering with contact operation. Fixed actuation travel and differential travel maintain repeatable trigger threshold for position interlock applications.
Application Scenarios Valve position feedback for process control valves in chemical and oil & gas plants Crane, conveyor and material handling equipment stroke limit protection Packaging machine, machine tool and automation equipment position interlock Offshore platform auxiliary machinery position detection HVAC damper and fire damper position monitoring
Performance Parameters
- Mechanical Service Life: 10 million operating cycles minimum
- Electrical Service Life: 1 million cycles under full resistive rated load
- Operating Travel: Precisely defined overtravel and differential travel
- Contact Resistance: Below 50 milliohm for gold-plated contacts
- Insulation Resistance: Greater than 1000 MΩ at 500V DC
- Dielectric Withstand Voltage: 1500V AC between contact and housing for 1 minute
Material Composition Housing: Die-cast zinc alloy with anti-corrosion powder coating Actuator shaft: Stainless steel Internal contact carrier: High temperature thermoplastic UL94 V0 Contact surface: Silver alloy base with optional gold flash plating Internal spring: Beryllium copper alloy Sealing gasket: Nitrile rubber
Structural Features Compact rectangular metal body with three separate threaded conduit openings. Side rotary lever actuator rotates around fixed shaft to transfer mechanical stroke into internal contact movement. Internal snap spring mechanism is sealed inside isolated cavity. Two symmetrical mounting holes match EN50047 standard limit switch installation template. External actuator can be replaced with roller lever, plunger or other actuator kits without changing main switch body.
Working Principle External mechanical moving part pushes or rotates the actuator lever. The actuator compresses internal snap spring assembly. When movement reaches preset operating travel, the snap spring flips instantly and drives moving contact to transfer between normally open and normally closed fixed contact terminals. When external force is released, return spring pushes actuator back to original home position and contacts reset to idle state. Contact status is transmitted to control system as dry contact discrete signal.
Installation Requirements Mount the switch on rigid metal bracket aligned with moving stroke direction of target machinery. Secure conduit and cable gland on unused conduit ports to maintain IP66 sealing integrity. Adjust actuator contact clearance to ensure full overtravel after trigger, avoid actuator locking at mid-travel position. Tighten mounting screws to specified torque range without deforming metal housing. Route control cable inside shielded conduit, separate from high voltage power cables.
Usage Notes Do not apply continuous side impact load directly on actuator shaft. Avoid chemical solvent, strong acid and alkaline splash contacting housing and shaft seal. For low voltage PLC logic input circuits, select gold contact variant to prevent contact oxidation open circuit. Check seal gasket integrity every routine maintenance cycle in high humidity and salt fog environment. Do not modify internal contact assembly or remove factory sealing components.
