Liquid Level Controller

403

The Model 403 Liquid Level Controller provides precise fluid management for industrial applications. Its robust design, featuring a 20 gauge Steel case, ensures durability in demanding environments. Operators benefit from selectable lead/lag or automatic alternation, optimizing pump wear and system efficiency. Four distinct sensing levels allow for granular control over liquid volumes. Dual non-resettable run-time meters track operational hours up to 99,999.9, providing critical data for maintenance scheduling and performance analysis. With a 10A contact rating at 240VAC resistive and 2500V transient protection, this controller offers reliable performance and system longevity. Its 105-130VAC input voltage ensures broad compatibility. The unit's internal power-fail contact and removable terminal strip further enhance its utility and ease of integration, making it a dependable solution for critical level control tasks.

Liquid Level Controller

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403

Specifications

Input voltage105-130VAC
Input frequency60Hz
Power consumption10W
Contact TypeSPST relay
Contact rating10A at 240VAC resistive
Float Switch Potential12VDC at 1mA
Transient protection2500 V for 10ms
Operating temperature-20° to +140° F
Run-time Meter Displayto 99,999.9 non-resettable
Humidity tolerance0-97% without condensation
Relay Life, Mechanical10 million operations
Relay Life, Electrical100,000 operations at rated load
Case material20 gauge Steel
TerminationRemovable terminal strip
Run-time MetersDual
AlternationSelectable lead/lag or automatic
Sensing LevelsFour
ControlsHand-off-auto (HOA)
Internal Power-Fail ContactSPST, normally-closed
Mounting Hole Diameter0.187 in
Warranty1 year

FAQs

What are the power requirements for the Model 403 Liquid Level Controller?
The Model 403 operates on an input voltage of 105-130VAC at 60Hz, with a maximum power consumption of 10W.
What are the environmental operating limits for this controller?
The controller is designed for an operating temperature range of -20° to +140° F and tolerates 0-97% humidity without condensation.
How does the Model 403 manage pump operation and monitoring?
It features selectable lead/lag or automatic alternation for pump management, four sensing levels, and dual non-resettable run-time meters displaying up to 99,999.9 hours.