GENERAL CONTACT RATINGS
C US
UL Recognized
File No. E43641
Recognized Component mark for
A600
B300
B600
10
5
5
1, 2 & 3 POLE NEMA PILOT DUTY CONTACT RATINGS
MAXIMUM
VOLT-AMPERES
720
360
360
BREAK
MAKE
7200
3600
3600
600 VOLTS
50/60Hz
BREAK
MAKE
BREAK
1.50
0.75
MAKE
15
0.75
480 VOLTS
50/60Hz
BREAK
MAKE
3.00
1.50
1.50
30
15
15
240 VOLTS
50/60Hz
120 VOLTS
50/60Hz
BREAK
6.00
3.00
3.00
MAKE
60
30
30
THERMAL
CONTINUOUS
TEST CURRENT
AMPERES
NEMA
CONTACT
CODE
DESIGNATION
12
6
1.20
0.06
MAXIMUM CURRENT, AMPERES
NO. OF
POLES
CURRENT
OR
HORSE-
POWER
13A
20A
25A
5A
1HP
1-1/2HP
1HP
660VA
915VA
960VA
765VA
B600
13A
20A
25A
5A
1HP
1-1/2HP
1HP
660VA
915VA
960VA
765VA
B600
DC
DC (NO)
DC
50/60 Hz
50/60 Hz
50/60 Hz
50/60 Hz
50/60 Hz
50/60Hz
50/60 Hz
50/60 Hz
50/60Hz
RESISTIVE
RESISTIVE
RESISTIVE
RESISTIVE
RESISTIVE
RESISTIVE
MOTOR
MOTOR
MOTOR
PILOT DUTY
PILOT DUTY
PILOT DUTY
28
28
15
150
250
300
120/208/240
240
120
120/240
208
13A
15A
20A
20A
**15A
*10A
1/2HP
1HP
3/4HP
470VA
445VA
B300
ENCLOSED STYLE 1, 2 and 3 POLE
RESISTIVE
RESISTIVE
RESISTIVE
RESISTIVE
MOTOR
MOTOR
MOTOR
PILOT DUTY
PILOT DUTY
PILOT DUTY
PILOT DUTY
PILOT DUTY
28
15
300
600
120
208/240
480/600
120
208
240
480/600
28
15
300
600
120
208/240
480/600
120
208
240
460/600
DC
DC
50/60 Hz
50/60 Hz
50/60 Hz
50/60 Hz
50/60 Hz
50/60 Hz
50/60 Hz
50/60 Hz
50/60 Hz
50/60Hz
3
P
O
L
E
2
P
O
L
E
1
P
O
L
E
DC
DC
50/60 Hz
50/60 Hz
50/60 Hz
50/60 Hz
50/60 Hz
50/60 Hz
50/60 Hz
50/60 Hz
50/60 Hz
50/60Hz
LOAD
VOLTAGE
FREQUENCY
LOAD
VOLTAGE
TYPE
O F
LOAD
CLASS 389 LOAD RATINGS
RESISTIVE
RESISTIVE
RESISTIVE
RESISTIVE
MOTOR
MOTOR
MOTOR
PILOT DUTY
PILOT DUTY
PILOT DUTY
PILOT DUTY
PILOT DUTY
1
P
O
L
E
ENCLOSED
STYLE
LOAD
VOLTAGE
FREQUENCY
NO. OF
POLES
30A
30A
10A
1HP
1-1/2HP
765VA
915VA
960VA
A600
TYPE
O F
LOAD
DC
50/60 Hz
50/60 Hz
50/60 Hz
50/60 Hz
50/60 Hz
50/60 Hz
50/60 Hz
50/60 Hz
LOAD
VOLTAGE
28
300
600
120
200 thru 600
120
208
240,480,600
CURRENT
OR
HORSE-
POWER
RESISTIVE
RESISTIVE
RESISTIVE
MOTOR
MOTOR
PILOT DUTY
PILOT DUTY
PILOT DUTY
PILOT DUTY
CLASS 389D LOAD RATINGS
Not CSA rated with ** are UL Appliance rated.
All other ratings not so marked are industrial rated
* CSA rating only, not UL
389
C L A S S
PAGE 28
WEBSITE: www.magnecraft.com - EMAIL:info@magnecraft.com - FAX ON DEMAND 1-800/891-2957 - DOCUMENT 100
NO. OF
POLES
1 POLE
2 POLE
3 POLE
1 POLE
ENCLOSED
STYLE
20 AMPS, 277VAC, 50/60Hz
20 AMPS, 277VAC, 50/60Hz
20 AMPS,150VAC, 50/60Hz
6-2/3 AMPS, 277VAC, 50/60Hz
25 AMPS, 277VAC, 50/60Hz
DOUBLE BREAK DOUBLE MAKE (1 FORM "X" & "Z")
CLASS 389 BALLAST LOAD RATINGS
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