Electrical ratings
Table 30 to Table 33 show the electrical ratings for single-pole, single-throw (SPST) and single-pole,
double-throw (SPDT) control relays in the MR5 controller.
Table 30: SPST compressor relay ratings between terminal 16 and terminal 18
cULus
CE
Applied voltage at 50/60 Hz
24 VAC
120 VAC
240 VAC
240 VAC
Full load amperes
n/a
5.8 A
n/a
n/a
Locked rotor amperes
n/a
34.8 A
n/a
n/a
Resistive amperes
8 A
8 A
8 A
8 A
Inductive amperes
3 A
3 A
3 A
n/a
Pilot duty VA
125 VA at 24 VAC to 240 VAC
n/a
Number of cycles
100K
Table 31: SPDT alarm relay ratings between terminal 12 and terminals 10 and 11
cULus
CE
Applied voltage at 50/60Hz
24 VAC
120 VAC
240 VAC
240 VAC
Resistive amperes
8 A
8 A
8 A
2 A
Inductive amperes
3 A
3 A
3 A
n/a
Pilot duty VA
72 VA
125 VA
125 VA
n/a
Number of cycles
6K
Table 32: SPST evaporator fan or auxiliary relay ratings between terminal 12 and terminal 13
cULus
CE
Applied voltage at 50/60Hz
24 VAC
120 VAC
240 VAC
240 VAC
Full load amperes
n/a
3 A
2.2 A
n/a
Locked rotor amperes
n/a
18 A
13.2 A
n/a
Resistive amperes
8 A
8 A
8 A
5 A
Inductive amperes
3 A
3 A
3 A
n/a
Pilot duty VA
28 VA
125 VA
125 VA
n/a
Number of cycles
30K
Table 33: SPST defrost relay ratings between terminal 16 and terminal 17
cULus
CE
Applied voltage at 50/60Hz
24 VAC
120 VAC
240 VAC
240 VAC
Resistive amperes
8 A
8 A
8 A
5 A
Inductive amperes
3 A
3 A
3 A
n/a
Pilot duty VA
28 VA
125 VA
125 VA
n/a
Number of cycles
30K
65
MR5 Series Panel Mount Case Controller Technical Bulletin
Discontinued
