Product Datasheet
SR SERIES MASTER DISCONNECT SWITCHES
300A • Isolates High-Current DC Circuits From Battery Sources
Features and Benefits
PN 880064
• Isolates the batteries and eliminates battery drain
when vehicle is stored overnight or for longer periods.
Electrically cuts off battery power for safety or when the
vehicle is being serviced.
• Ignition protected to SAE J1171 and ISO 8846 for
installation in a battery box or on vehicles carrying
hazardous loads.
• Available with integral holes to accept lockout/tagout. No
need to purchase additional hardware.
• Plastic construction will not corrode and stands up to
roadsplash and salt spray. Ingress protected to IP67/
IP69K. Switch can be mounted anywhere on the vehicle.
PN 880062
• Units have a depth of only 3” (knob front to end of studs)
– can be installed in locations where behind-panel space
is limited.
Description
Stainless steel hardware and tin-plated copper studs. Can be
installed in locations with limited space behind the panel.
• Stainless steel hardware and tin-plated copper contacts
minimize resistance in harsh environments.
Specifications
Specifications Overview
Max Operating Voltage:
48V, 32V DC & 12V DC
Single Cycle: 48V DC
Max Continuous Current:
Inrush Rating (2 sec):
Terminal Stud Size:
Ingress Protection:
5A-600A
3,500A
3/8”-16 (accepts M10 terminals)
IP67/IP69K
Battery Common
Ignition Protection:
Meets ISO 8846 & SAE J1171
Starter
or other
DC loads
Battery
Web Resources
Download technical resources at:
littelfuse.com/SR
Master Battery Disconnect
(shown in ON state)
Ordering Information
BULK
BLISTER
MAX VOLTAGE
MAX TOTAL
POLE
SPST
SPST
SPST
SPST
SPDT
SPDT
MOUNT
TERMINALS
Two Tin Plated Copper Studs
PART NUMBER
PART NUMBER
RATING
CONTINUOUS CURRENT
880062
880064
880062-BP
Flange Mount
Panel Mount
Panel Mount
Panel Mount
Panel Mount
Panel Mount
48V DC
300A
300A
600A
300A
5A
—
—
—
—
—
48V DC
32V DC
32V DC
12V DC
12V DC
Two Tin Plated Copper Studs
Two Tin Plated Copper Studs
Two 3/8 Copper Studs
880154
880064100
888842000A
888842001A
Molex 33472-0406 MX150
Molex 33472-0406 MX150;
Molex 33471-0306 MX150
5A
Datasheet Replaces Hotfeed Number D-659
littelfuse.com
© 2021 Littelfuse Commercial Vehicle Products
Rev: 020821-B