UL Recognized
File No. E43641
General Speciļ¬cations - (UL 508)
Contact Characteristics 389FHXX, XHX 389FXAX, BXX, XBX 389FCXX, XCX
Number and type of contacts
SPST-NO-DM, SPDT-DM-DB SPST, SPDT, DPST, DPDT 3PST, 3PDT
Contact materials
Silver Alloy Silver Alloy Silver Alloy
Thermal (carrying) current
30 A 25 A 20 A
Maximum switching voltage
600 V 600 V 300 V
Switching current @
voltage
Resistive
30 A @ 300 VAC 50/60Hz
30 A @ 28 VDC
25 A @ 300 VAC 50/60Hz
13 A @ 28 VDC
20 A @ 150 VAC 50/60Hz
13 A @ 28 VDC
Ballast
25 A @ 277 VAC 50/60Hz 20 A @ 277 VAC 50/60Hz 20 A @ 150 VAC 50/60Hz
6.67 A @ 277 VAC 50/60Hz
HP
1.5 @ 200-300 V 50/60Hz
1 @ 120-199 V 50/60Hz
1.5 @ 208-240 V 50/60Hz
1 @ 480-600 V 50/60Hz
0.5 @ 208-240 V 50/60Hz
0.5 @ 120 V 50/60Hz
Pilot Duty
A600 B600 B300
Minimum switching requirement
100 mA @ 5 VDC or 0.5 W 100 mA @ 5 VDC or 0.5 W 100 mA @ 5 VDC or 0.5 W
Coil Characteristics
Voltage range
12 to 240 VAC
12 to 110 VDC
12 to 240 VAC
12 to 110 VDC
12 to 240 VAC
12 to 110 VDC
Operating range (% of nominal)
85% to 110% AC
80% to 110% DC
85% to 110% AC
80% to 110% DC
85% to 110% AC
80% to 110% DC
Average consumption
3.5 VA
1.44 W
3.5 VA
1.44 W
3.5 VA
1.44 W
Drop-out voltage threshold
10% AC/DC 10% AC/DC 10% AC/DC
Performance Characteristics
Electrical life (operations @ rated current)
100,000 operations 100,000 operations 100,000 operations
Mechanical life (unpowered)
5,000,000 operations 5,000,000 operations 5,000,000 operations
Operating time (response time)
20 ms 20 ms 20 ms
Dielectric strength
Between coil and
contact
2000 VAC 2000 VAC 2000 VAC
Between poles
2000 VAC 2000 VAC 2000 VAC
Between contacts
500 VAC 500 VAC 500 VAC
Environment
Product certiļ¬cations Standard version
UL, CE, CSA UL, CE, CSA UL, CE, CSA
Ambient air temperature
around the device
Storage
-40 to 85 Ā°C -40 to 85 Ā°C -40 to 85 Ā°C
Operation
-40 to 55 Ā°C -40 to 55 Ā°C -40 to 55 Ā°C
Weight
88 g 88 g 88 g
6/12
SECTION 6
Magnecraft Solution Guide 105A
Magnecraft Solution Guide 105A
389F Power Relays/One, Two or Three Pole 20-30 Amp Rating (DC and AC)
Up to 30A switching for
power applications
A variety of covers and
mounting options
Square Base
Terminals for 0.25ā
Quick Connects
600 V spacing can handle
most loads
Can be customized for
unique situations
Full range of contact ratings
to meet a wide variety of
applications
Oversized current carrying parts
to run cooler and last longer
Contact Viewing Window
Gold Flashed Contacts
Part Number Builder
389F XBX C1M -120 A
Series Conļ¬guration Options** Voltage Current Type
389F = Standard model
equipped with ļ¬ag indicator
XAX = SPDT
BXX = DPST-NO
XBX = DPDT
CXX = 3PST-NO
XCX = 3PDT
HXX = SPST-NO-DM
XHX = SPDT-DM-DB
B = Mounting base
C = Plastic dust cover - socket mountable
C1 = Side ļ¬ange mount cover
C3 = Top ļ¬ange cover
L = Indicator lamp across coil
M = Manual operator button on case
T = Printed circuit board terminals
Coil Voltage A = AC
D = DC
Note - Not all iterations of option codes are available and some standard parts may use different nomenclature than outlined in part number builder.
**Multiple codes may be used.