MSUK Catalogue number Pin Code Front Back Voltage BR Spec. Description Reference Data Sheet Reference
TY133/GRP01 81 4 2.2A d.c. 940A D.C. Single Wound Lamp Proving Relay SEC (QEC1) SEC
TY133/GRP02 81 4 2 2.2A d.c. 940A SEC (QEC1)
TY133/GRP03 91 4 1.5A d.c. 945A D.C. Lamp Proving Relay SECF (QECF1) SECF
TY153/GRP10 ABDHJ 4 4 200mA dc 940 SECR2 (QECR2) SECR
TY153/GRP11 CFKMX 4 4 400mA d.c. 940 SECR1 (QECR1)