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A railcar power connector includes a connector body defining a central opening configured to receive a portion of a cable, and a spring member having a protrusion moveable relative to the connector body between a locked position where the protrusion is configured to be secured to a mating connector

A railcar power connector includes a connector body defining a central opening configured to receive a portion of a cable, and a spring member having a protrusion moveable relative to the connector body between a locked position where the protrusion is configured to be secured to a mating connector and a released position where the protrusion is configured to be released from a corresponding recess of a mating connector. The protrusion moveable from the locked position to the released position upon a predetermined axial force applied to the spring member.

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1. A railcar power connector assembly comprising: an end-of-car connector assembly comprising an end-of-car connector body and a threaded member, the threaded member configured to secure the end-of-car connector assembly to an end-of-car fitting positioned on a railcar;a cable connector assembly com

1. A railcar power connector assembly comprising: an end-of-car connector assembly comprising an end-of-car connector body and a threaded member, the threaded member configured to secure the end-of-car connector assembly to an end-of-car fitting positioned on a railcar;a cable connector assembly comprising a cable connector body and a clamp member, the clamp member configured to be positioned about a cable, the cable connector body defining a central opening and configured to compress the clamp member when the clamp member is received within the cable connector body,wherein the cable connector assembly includes one of a spring member and a securing recess and the end-of-car connector assembly includes the other one of the spring member and the securing recess, the spring member includes a protrusion moveable in a radial direction between a locked position where the protrusion is configured to be received within the securing recess and a released position where the protrusion is configured to be released from the securing recess, the protrusion moveable from the locked position to the released position upon a predetermined axial force applied to the spring member,wherein the cable connector assembly is configured to be secured and removed from the end-of-car connector assembly, the protrusion received within the securing recess when the cable connector assembly is secured to the end-of-car connector assembly, andwherein the end-of-car connector assembly includes an index washer having a projection configured to engage an end-of-car fitting and to align the cable connector assembly relative to the end-of-car connector assembly. 2. The railcar power connector assembly of claim 1, wherein the cable connector assembly includes the spring member and the end-of-car connector body defines the securing recess. 3. The railcar power connector assembly of claim 1, wherein the protrusion comprises a pin, and wherein the securing recess is L-shaped and includes a tapered surface. 4. The railcar power connector assembly of claim 1, wherein the securing recess comprises a locking detent. 5. The railcar power connector assembly of claim 1, wherein the threaded member includes a flange, the flange engaging the end-of-car connector body when the threaded member secures the end-of-car connector body to the end-of-car fitting. 6. The railcar power connector assembly of claim 1, wherein the spring member comprises a body that forms a cantilever spring, and wherein the spring member is rotatable relative to the cable connector body. 7. A railcar power connector assembly comprising: an end-of-car connector assembly comprising an end-of-car connector body and a threaded member, the threaded member configured to secure the end-of-car connector assembly to an end-of-car fitting positioned on a railcar;a cable connector assembly comprising a cable connector body and a clamp member, the clamp member configured to be positioned about a cable, the cable connector body defining a central opening and configured to compress the clamp member when the clamp member is received within the cable connector body,wherein the cable connector assembly includes one of a spring member and a securing recess and the end-of-car connector assembly includes the other one of the spring member and the securing recess, the spring member includes a protrusion moveable in a radial direction between a locked position where the protrusion is configured to be received within the securing recess and a released position where the protrusion is configured to be released from the securing recess, the protrusion moveable from the locked position to the released position upon a predetermined axial force applied to the spring member,wherein the cable connector assembly is configured to be secured and removed from the end-of-car connector assembly, the protrusion received within the securing recess when the cable connector assembly is secured to the end-of-car connector assembly, andwherein the cable connector body comprises an outer key extending radially outward from the cable connector body, the outer key of the cable connector body configured to be received by a corresponding key recess of the end-of-car connector body. 8. A railcar power connector assembly comprising: an end-of-car connector assembly comprising an end-of-car connector body and a threaded member, the threaded member configured to secure the end-of-car connector assembly to an end-of-car fitting positioned on a railcar;a cable connector assembly comprising a cable connector body and a clamp member, the clamp member configured to be positioned about a cable, the cable connector body defining a central opening and configured to compress the clamp member when the clamp member is received within the cable connector body,wherein the cable connector assembly includes one of a spring member and a securing recess and the end-of-car connector assembly includes the other one of the spring member and the securing recess, the spring member includes a protrusion moveable in a radial direction between a locked position where the protrusion is configured to be received within the securing recess and a released position where the protrusion is configured to be released from the securing recess, the protrusion moveable from the locked position to the released position upon a predetermined axial force applied to the spring member,wherein the cable connector assembly is configured to be secured and removed from the end-of-car connector assembly, the protrusion received within the securing recess when the cable connector assembly is secured to the end-of-car connector assembly, andwherein the cable connector body comprises an inner key extending radially inward from the cable connector body, the inner key of the cable connector body received by a key recess defined by the clamp member. 9. A method of retrofitting a railcar power cable comprising: positioning a cable connector assembly over an end of a cable, the cable connector assembly comprising a cable connector body, a spring member having a protrusion, and a clamp member, the protrusion moveable relative to the cable connector body between a locked position where the protrusion is configured to be secured to a mating connector and a released position where the protrusion is configured to be released from a corresponding recess of a mating connector, the protrusion moveable from the locked position to the released position upon a predetermined axial force applied to the spring member;positioning the connector body over the clamp member to secure the cable connector body to the cable;securing an end-of-car connector body to an end-of-car fitting, the end-of-car connector body defining a securing recess configured to receive the protrusion when the cable connector assembly is secured to the end-of-car connector body. 10. The method of claim 9, wherein the end-of-car connector body is secured to the end-of-car fitting via a threaded member received by a corresponding threaded portion of the end-of-car fitting.