Alera ALECASTERST2 dual-wheel hooded casters B stem 2" black 5/set 100 lb hardware
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A 22 mm red mushroom-head push button with momentary action, metal construction, IP66 sealing and NEMA 1, 2, 3, 4, 4X, 13 ratings for industrial control panels
This Schneider Electric ZB4BC44 is a 22 mm red mushroom-head push button designed for industrial control panels and automation cabinets. It provides a momentary contact action suited to emergency-stop or manual-override stations where a large, visible actuator is required.
The operator body, head and bezel are all metal, so the device withstands mechanical shock and vibration in harsh environments. Installation uses a standard 22 mm panel cut-out; the only common issue is forgetting to order the matching contact blocks and mounting collar separately.
Rated IP66 and NEMA 1, 2, 3, 4, 4X and 13, the seal maintains its ingress protection during prolonged exposure to water jets, dust and corrosive atmospheres. Compliance with IEC 60947-5-1, IEC 60947-5-5 and UL 508 confirms reliable operation over extended duty cycles rather than brief actuations only.
Measured against everything we stock in General Hardware & Accessories, at today’s prices. Recalculated every night.
| Product | |
|---|---|
| Brand name | SCHNEIDER ELECTRIC |
| Product type | Industrial Electrical Controls & Automation |
| Size & build | |
| Size | 22 mm |
Press the red mushroom head and verify momentary contact closure; the metal bezel and head should return flush without binding, and the IP66 seal must remain intact.
The operator ships with the 22 mm red mushroom head, metal bezel and metal head; contact blocks, legend plates and mounting hardware are not included and must be ordered separately.
Choose the ZB4BC44 when you need a 30 mm diameter red metal mushroom head rated NEMA 1, 2, 3, 4, 4X, 13 and IP66 for momentary operation.
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