Alera ALECASTERST2 dual-wheel hooded casters B stem 2" black 5/set 100 lb hardware
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22 mm illuminated multi-head operator with momentary extended and flush metal buttons in green and red, rated NEMA 13 and IP66, IP67, IP69, IP69K
The Schneider Electric ZB4BW7L3741 is a 22 mm illuminated multi-head operator designed for industrial control panels. It combines one extended and one flush momentary button in a single metal housing. The unit carries NEMA 13, 4X and IP66, IP67, IP69, IP69K ratings for harsh environments.
The operator heads are colour-coded green and red with white I and O legends for immediate function identification. Metal bezel and head construction resists impact and chemical exposure in wash-down areas. These markings and materials remove the need for separate label plates or plastic overlays.
Installation uses a standard 22 mm cut-out with the supplied mounting hardware for a secure, sealed fit. The high IP ratings are maintained only when the panel surface is flat and the gasket seats evenly. Misaligned drilling or over-tightening the locking nut can compromise the seal.
Builders using non-22 mm panel openings or requiring maintained-contact switching cannot use this operator. Applications needing additional contact blocks beyond the momentary configuration must source separate components.
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| Product | |
|---|---|
| Brand name | SCHNEIDER ELECTRIC |
| Product type | Industrial Electrical Controls & Automation |
| Size & build | |
| Size | 22 mm |
The unit uses integrated LED illumination built into each head; no separate bulbs are fitted, so the heads themselves are the only light-source components that may eventually need changing.
IP69K is the highest wash-down rating listed; it defines the pressure and temperature limit the operator can withstand before water ingress could occur.
LED indicators draw only milliamps, so the operator produces negligible heat; the metal bezel and head dissipate what little warmth arises without any noticeable temperature rise.
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