Push Button Switches
ALX-HB4-BL11 Raised Push Button Switch | 22mm 1NO
22 mm raised (high head) metal push button switch, 1 NO contact, momentary spring return, five cap colours, zinc alloy chrome bezel, screw terminals, 600 V AC 10 A.
The HB4-BL11 group is the normally-open raised button, supplied with white, black, green, yellow or blue heads. The higher cap gives the operator a positive, findable target for start and jog functions, while the spring return makes sure the command stops as soon as the head is released.
Technical Specifications
Item | Specification |
Mounting hole | 22 mm (22.3 mm cutout) |
Bezel / head material | Zinc alloy, chrome plated |
Contact housing | Plastic |
Contact configuration | 1 NO |
Operation | Momentary, spring return |
Actuator | Raised head, 22 mm dia. |
Actuator colour | White, black, green, yellow, blue |
Illumination | None |
Rated voltage / current | 600 V AC, 10 A (AC-15 duty) as marked on the contact block |
Termination | Screw terminals |
Colour is set by the suffix: BL11 white, BL21 black, BL31 green, BL51 yellow, BL61 blue.
Design Features
- Normally-open contact closes only while the raised head is held down
- Five head colours for colour-coding start, jog and acknowledge functions
- Raised head is easier to find by touch than a flush cap, which suits panels operated in dim light
- Chrome-plated zinc alloy bezel and metal clamping ring hold the switch square under repeated pressing
- Contact block unclips from the rear for replacement without disturbing the panel wiring
Model Options
Model | Colour | Contact |
HB4-BL11 | White | 1 NO |
HB4-BL21 | Black | 1 NO |
HB4-BL31 | Green | 1 NO |
HB4-BL51 | Yellow | 1 NO |
HB4-BL61 | Blue | 1 NO |
Red normally-closed version: HB4-BL42.
Applications
Machine tools, packaging and woodworking machinery, lift and hoist control stations, pump and compressor panels, food-processing lines and OEM control cabinets.