Johnson Controls MR4PMUHV - Relay Electrical Ratings; Fan Relay Ratings (SPDT); Defrost & Compressor Relay Ratings (SPST); Alarm Relay Ratings (SPST)

12 MR4PMUHV Electronic Temperature/Defrost Control with Relay Pack Product/Technical Bulletin
Relay Electrical Ratings
Relay Ratings in Tables 7-9 are for ambient
temperatures in the range -40 to 111°F (-40 to 44°C).
Derate electrical ratings 3.45% per 1F° in the range
111 to 140°F. Derate electrical ratings 6.25% per 1C°
in the range 44 to 60°C.
Table 7: Fan Relay Single-Pole, Double-Throw (SPDT) Electrical Ratings
Single-Phase Ratings
24 VAC
120 VAC
208 VAC
240 VAC
Horsepower Rating
1/3
1/2
3/4
AC Full Load Ampere
7.2
5.65
6.9
AC Locked Rotor Ampere
43.2
33.9
41.4
Pilot Duty (VA)
50
325
450
600
Table 8: Defrost Heater and Compressor Relay Single-Pole, Single-Throw (SPST) Electrical Ratings
Single-Phase Ratings
24 VAC
120 VAC
208 VAC
240 VAC
Horsepower Rating
1
1.5
2
AC Full Load Ampere
16
11
12
AC Locked Rotor Ampere
96
66
72
Noninductive Load Ampere (Defrost Heater Only)
20
20
20
Pilot Duty (VA)
125
750
825
1125
Table 9: Alarm Relay (SPST) Electrical Ratings
Single-Phase Ratings
24 VAC
120 VAC
208 VAC
240 VAC
Noninductive Load Ampere
5
5
5
5
Pilot Duty (VA)
125
250
325