Ross Hill 1305-2001-00 Overload Relay, GE CR324C310F9X2
Ross Hill 1305-2001-00 identifies the CR324C310F9X2 NEMA Size 1 overload relay; preserve the complete suffix and select heaters from the motor application.
Use the complete installed identifiers and equipment ratings as the ordering reference. Condition is stated with the offer.
Independent supplier. Edmundson Industrial is not appointed, endorsed, or sponsored by any manufacturer named on this page. Ross Hill, NOV, GE, ABB and other manufacturer names and part numbers appear here for identification only. Their use does not imply authorization, endorsement, or any current manufacturer relationship. Condition is stated with the offer.
| RHCC part number | 1305-2001-00 |
|---|---|
| Part description | OL RELAY MS1 |
| Manufacturer reference | CR324C310F9X2 |
| GE series | CR324, open NEMA overload relay |
| Published NEMA size span | Sizes 00, 0 and 1 |
| Published auxiliary contact | 1NC |
| Series characteristics | Panel mounting, manual reset, for 300 line full voltage magnetic starters |
| Current rating | None until heaters are fitted |
The relay has no amp rating, and that is not a gap in our research
People ask what current this overload relay is rated for and the honest answer is that the question does not apply to the block on its own. A CR324 is a mechanism. Three heaters are fitted into it, one per pole, and the heaters are what carry motor current and decide the trip point.
That is why ordering a relay without settling the heaters leaves a bucket that will close a contactor and protect nothing in particular. If your relay arrived with heaters already in it, they were chosen for whatever motor it came off, not for yours.
Manual reset is a design decision, not a fault
The CR324 series is described as manual reset. After a trip, somebody has to go to the bucket and press the reset. On a rig that is usually deliberate, because a motor that has tripped on overload should be looked at rather than restarted automatically at three in the morning.
Review the complete requirement
Send the complete part number, label photos, equipment details, and any proposed replacement already included in your requirement. EI reviews the identification and configuration with your quote request; a similar number or rating does not establish fit.
What to send with your request
Tell us about the motor as well as the relay, because the heaters are the half that matters.
- The motor full load current from the motor nameplate
- The heater number currently fitted, if the existing heaters are legible
- The starter the relay works with, and its NEMA size
- Whether the complaint is repeated tripping, a relay that will not reset, or physical damage
- Quantity required, the condition you can accept, and your need-by date
Send the number and photograph with your parts requirement for EI review and a quote.
Related
Questions we get on this number
What current is Ross Hill 1305-2001-00 rated for?
What NEMA sizes does CR324C310F9X2 cover?
Does it reset automatically?
What is Ross Hill 1305-2001-00?
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Identification checkpoint
For RHCC 1305-2001-00, confirm manufacturer reference: CR324C310F9X2; ge series: CR324, open NEMA overload relay; series characteristics: Panel mounting, manual reset, for 300 line full voltage magnetic starters. Use the installed label and complete suffix before treating another item as equivalent.
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