RX4E Technical Specifications

Comprehensive technical specifications for the RX4E Series Packaged Soft Starters including electrical ratings and performance parameters.

Parameter
Specification
Solid State Starter Rating
450% — 30 seconds rated
Continuous Duty Rating
125% continuous duty rated
Bypass Contactor
Full HP rated with 1.15 service factor
Control Power Transformer
110 volt with primary and secondary fuses
Auxiliary Relay
(4) Form C run contacts
Analog I/O
Available
Fault Contact
1 Form C fault contact
Enclosure Rating
NEMA 12 combination/circuit breaker
Manufacturer
🇺🇸 United States

Built for Industrial Reliability

The RX4E Series delivers exceptional performance with advanced features designed to minimize downtime and maximize operational efficiency in critical industrial applications.

Dual Redundancy

Engineered with dual redundant design to ensure continuous operation and eliminate single points of failure in critical applications where downtime cannot be tolerated.

High Current Rating

450% 30-second rated solid state starter provides exceptional starting torque capability for demanding motor applications and heavy-duty industrial equipment.

Easy Operation

Features selector switch for choosing between solid state or full voltage operation, providing operational flexibility and simplified troubleshooting capabilities.

Continuous Service

125% continuous duty rating ensures reliable long-term operation with full HP rated bypass contactor including 1.15 service factor for extended motor protection.

Visual Monitoring

Door-mounted indicators including run lights, fault lights, and overload reset provide clear visual status monitoring and simplified maintenance procedures.

Integrated Enclosure

Complete NEMA 12 combination enclosure with circuit breaker protection, control transformer, and terminal strips for streamlined installation and operation.

Frequently Asked Questions

What makes the RX4E Series different from standard soft starters?
The RX4E features dual redundant design with both solid state and full voltage operation options, providing backup capabilities that eliminate single points of failure in critical applications.
What is the starting current rating for the RX4E?
The RX4E provides 450% starting current for 30 seconds and 125% continuous duty rating, making it suitable for demanding motor starting applications.
Does the RX4E include overload protection?
Yes, the RX4E includes a separately mounted SPE Series overload relay with door-mounted overload reset for comprehensive motor protection and easy maintenance access.
What control voltage does the RX4E use?
The RX4E includes a 110 volt control power transformer with both primary and secondary fuses for reliable control circuit operation and protection.
Can the RX4E be controlled remotely?
Yes, the RX4E includes terminal strips mounted inside the enclosure for remote start/stop connections and features a door-mounted local-off remote switch.

Critical Applications for Heavy Duty Operations

The RX4E Series is engineered for standard and heavy duty soft start applications where operational downtime is extremely disruptive and cannot be tolerated.

Heavy duty manufacturing facility with continuous production operations requiring reliable motor control systems#1.9

Heavy Manufacturing

Critical production lines where motor failures cause significant downtime and costly disruptions to manufacturing operations.

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Working with ValuAdd has given us access to the most reliable motor control solutions in the market. Their expertise in soft starters is unmatched.

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Our technical specialists can help you select the right soft starter solution for your specific application requirements.

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