UL508A Air Handling Motor Starters

c3controls’ Electrical Engineers have designed enclosed motor starters specifically for air handling applications, and each are Listed per UL508A, the Standard for Industrial Control Panels.

Our UL508A air handling motor starters come in two frame sizes:

For over 40 years, c3controls has been a leading manufacturer of quality motor controls for the industry. As a Certified UL508A Panel Builder, and because we strictly control the manufacturing of our products, we can provide you with a high quality motor starter that you can install and forget about for years to come.

Our UL508A Type E Combination Direct-On-Line (DOL) Starters provide motor disconnect, short-circuit and ground fault protection, motor control, and motor overload protection. Each assembly includes a polycarbonate enclosure, motor protection circuit breaker, contactor, miniature circuit breaker, and 22mm IEC pilot devices.

POLYCARBONATE ENCLOSURE

Lift-off cover
UL Rated Type 1, 4/4X, and IP66

MOTOR PROTECTION CIRCUIT BREAKER

Motor ratings up to 20HP @ 480V
Overload and short circuit protection
Certified as Manual Motor Controllers suitable as Motor Disconnects
Listed as a UL 60947-4-1A Type E self-protected combination Manual Motor Controller

CONTACTOR

Integral auxiliary contacts:
» Right side mounted (1 NO) on 9A - 25A Contactors
» Front mounted (1 NO) on 32A Contactors

UL489 BRANCH CIRCUIT BREAKER

Double-pole for protection of the control circuit
10kA @ 480Y/277V short circuit current rating
Easily resets in the case of a fault

22MM IEC PILOT DEVICES

Provides clear indication of the unit running or in the event of a fault
H-O-A selector switch
Red pilot light for Run indication
Amber pilot light for Fault indication

EXTERNAL OPERATING HANDLE

Robust handle for motor disconnecting
Red handle/yellow bezel
Padlockable with up to three (3) padlocks
Provides door interlock so the enclosure cannot be opened while in the ON position

PRE-CONFIGURED

Starters are pre-configured based on motor size
Motor ratings up to 20HP @ 480V
Accepts 1 phase or 3 phase input voltage

PRE-WIRED CONTROL CIRCUIT

Pre-wired for quick and easy field installation
Color-coded and marked terminal blocks
Control transformer
Circuit protection for simplicity of control circuit voltage
24VAC as standard control circuit voltage