Klein SI®, intermediate frame, adapter frame from 50x50mm DIN49075 to Klein SI, impact-resistant, non-yellowing thermoplastic, alpine white RAL9010, made in BavariaSuitable for Busch-Jaeger order no.: 1746-214-101Suitable for Busch-Jaeger order no. (ABB number): 2CKA001726A0181For switch range Klein SI®, alpine white