Based on this product's specifications, here are some alternatives and similar models
DANFOSS end-to-end termination kit 19-400100 for electric heating cables and systems
Summary description:
DANFOSS termination kit 19-400100 provides the required end-to-end termination for electric heating cables and related heating systems. Designed as a closure and insulating accessory, it ensures safe electrical insulation and mechanical protection at cable ends. Suitable for use in installation, repair, or replacement of heating cable circuits, it helps maintain system reliability and safe operation.