A20TE和A25TE系列
-除了带微动开关外，与A20T和A25T相似
-工厂设定开关点
-A25TE是CSA确认的非危险场地使用
-A25TE-EX是CSA确认的等级C和D危险场地使用
MURPHYGAGE表系列，只有仪表指示，没有触头
-A系列无开关触点
-A20TG,直径2英寸
-A25TG,直径2.5英寸

Murphy A20 Series Temperature Swichgages
A20T-250-4-1/2 (10703159): Temperature Swichgage
A20T-250-6-1/2 (10703160): Temperature Swichgage
A20T-250-8-1/2 (10703161): Temperature Swichgage
A20T-250-10-1/2 (10703162): Temperature Swichgage
A20T-250-12-1/2 (10703163): Temperature Swichgage
A20T-250-16-1/2 (10703165): Temperature Swichgage
A20T-250-20-1/2 (10703167): Temperature Swichgage
A20T-250-25-1/2 (10703168): Temperature Swichgage