The EX9R38B38A Noark Bimetallic Overload Relay is designed for optimal protection in motor control applications. Rated for 30-38A, it provides reliable thermal overload protection to safeguard motors from damage due to overheating. This durable relay ensures efficient performance while enhancing the longevity of your electrical systems. Ideal for various industrial settings.
| Brand | Noark |
|---|---|
| Amperage | 30 / 38 A |
| Frame / Series | EX9R |
| Catalogue # | NOREX9R38B38A |
The EX9R38B38A is a Noark EX9R-series bimetallic overload relay with an adjustable range of 30–38 A, designed to provide reliable thermal overload protection for three-phase motors in industrial motor control circuits. It mounts directly onto compatible Noark EX9C-series contactors, forming a compact motor starter assembly without additional wiring. The relay trips on sustained overcurrent, protecting motors from overheating and damage caused by locked-rotor, phase-loss, or overload conditions. Not sure which contactor size pairs with this relay? Send us your application details and we'll confirm compatibility.
The EX9R38B38A is designed to direct-mount onto Noark EX9C-series contactors. Given its 30–38 A current range, it is typically paired with appropriately rated EX9C contactors in that amperage class. Contact us with your contactor model and we'll confirm the correct match for your motor starter assembly.
The EX9R38B38A features an adjustable dial covering the 30–38 A range. Simply set the dial to match the full-load current (FLC) shown on your motor's nameplate. Always refer to the Noark EX9R installation instructions and verify the setting complies with the Canadian Electrical Code (CEC) motor protection requirements for your application.
Yes — Northern Breaker Group specialises in sourcing obsolete and hard-to-find electrical components, including Noark EX9R-series overload relays. If the EX9R38B38A is not in current stock, our team can work to locate it for you. Reach out to our Calgary, Edmonton, or Vancouver counters or submit a quote request online.
