HPS, FG3, Finger Guard Kit, Fused, Series: Imperator®, 1.75 in H x 3.15 in W x 2.55 in D Size, For Use With: MBMH 100 VA, AJ, AR, MQMJ, MEMX, QR, SP, PG, PP 250 VA and All 150 VA Encapsulated and Commercial Potted Industrial Control Transformer, Plastic, Clear,