Blue Sea Systems m-Series Mini On-Off Battery Switches with Key
Models:
Mini On-Off Battery Switch with Key - Red: 6005-BSS
Single Circuit ON-OFF with Locking Key - Red: 6004-BSS
These m-Series Mini On-Off Battery Switches provide reliable single battery to single load switching for outboard and small gasoline or diesel engines. Featuring tin-plated copper studs for maximum conductivity and corrosion resistance, they accommodate large battery cables up to 4/0 AWG. They include isolating covers for rear contact protection and are designed for versatile panel mounting. Waterproof rated IP66 and ignition protected, these switches are ideal for marine environments.
Key Features
Tin-plated copper studs for maximum conductivity and corrosion resistance
Studs accept 3/8" (M10) ring terminals and multiple cable terminals with 7/8" (22 mm) stud length
One-piece terminal stud design that never loosens over time
Isolating cover with snap-on sections for rear contact protection
Case design supports surface, rear, or front panel mounting
Waterproof — rated IP66 against water jets
Ignition protected—safe for gasoline powered boat installations
Tactile indicator with a locking key switch design (6004-BSS and 6005-BSS)
Switches a single battery to a single load group
Specifications Comparison
Feature
6005-BSS Mini On-Off with Key
6004-BSS Single Circuit ON-OFF with Locking Key
Switch Type
Single Circuit ON-OFF
Single Circuit ON-OFF
Color
Red
Red
Switch Positions
2
2
Battery Combine
No
No
Alternator Field Disconnect
No
No
Maximum Voltage
48V DC
48V DC
Stud Size
3/8" - 16 (M10)
3/8" - 16 (M10)
Terminal Stud Torque
120 in-lb (13.56 Nm)
120 in-lb (13.56 Nm)
Continuous Rating
300A
300A
Intermittent Rating
500A (5 min)
500A
Cranking Rating (30 sec)
900A
900A
Battery Inputs
1
1
Cable Clearance for 4/0 AWG
1.12 in (28.45 mm)
N/A
Cable Size to Meet Ratings
4/0 AWG (120mm²)
N/A
Mounting Holes
Accept #10 Screw
Accept #10 Screw
Stud Material
Tinned Copper
Tinned Copper
What’s in the Box
Mini On-Off Battery Switch with Key - Red (model specific)