Solid-state Level Switches
Allen‑Bradley

Our Bulletin 840E solid-state level switches are microprocessor-based and designed to withstand harsh industrial conditions and wash-down applications such as liquid level monitoring in tanks, containers and pipelines.

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Overview

Our Bulletin 840E Solid-state Level Switches are microprocessor-based and designed to withstand harsh industrial conditions and wash-down applications such as liquid level monitoring in tanks, containers and pipelines. These switches are available in both AC and DC versions are not affected by foam, and are immune to vibration and build-up.

Rugged, corrosion-resistant 316L stainless steel housing with IP66/67 rating for DC-type and IP65 rating for AC-type enclosures
DC PNP version with M12 connector
AC version with NPT 1/2 inch valve connector
316L stainless steel sensing element
On-site control via high-visibility status indicator
Discrete NO/NC level switch based on ultrasonic vibrating fork technology

Used primarily for liquid level detection in industries such as factory automation, oil and gas, chemical, food and beverage and automotive industries. Housed in rugged, corrosion-resistant 316L stainless steel enclosure, this cost-effective compact level switch is suitable for most fluid applications including:

Liquid level monitoring
Tanks, containers and pipelines
Filtering systems
Coolant and lubricant tanks
Pump protector program support

Certifications

CE Marked for all applicable directives
CSA Certified
UKCA Marked for all applicable regulations

Certifications apply when product is marked. See our Product Certification site for Declarations of Conformity, certificates and other certification details.

Solid-state Level Switches Allen‑Bradley

Solid-state Level Switches
Allen‑Bradley