841NG1M051 841NG1M076 841NG1M102 841NG1M152 841NG1M203 841-P 841-P-1A-B-C-H 841-P-1A-B-C-H-12V 841-P-1A-B-C-H-12VDC 841-P-1A-C:24VDC