TR Series Datasheet

TR Series Datasheet
New Product Sales Sheet
TR Series Dual Pole 500A
Master Disconnect Switch
Cuts all battery power from vehicle electrical systems with applications needing switching
of two circuits, or both positive and negative.
500A continuous current rating for each of the two circuits
(using 2 x 4/0 input and 2 x 4/0 output cables).
Can be used to switch two vehicle voltage circuits
simultaneously (24V and 12V).
Disconnect a battery or multiple batteries, in either the
positive or the negative line.
Ordering Information
Part No.
Description
880175
Master Disconnect Switch TR Dual
Features & Benefits
Ingress protection to IP67 and IP69K means that the switch can be
mounted in exposed locations on the vehicle.
Drop-in replacement for competitive Master Disconnect Switches, with
higher vibration and shock capabilities.
Direct lockout/tagout capability in On or Off position, with padlock or hasp.
Littelfuse Commercial Vehicle Products
D-647 Rev B
Dimensions
120
100
34
103
2X
8.50 FOR M8 OR
5/16 MOUNTING
37
85
2 X LOCKOUT FEATURE
ACCEPTS HASP OR
PADLOCK
37
25
NUT M12X1.75 SS
SERRATED HEX
FLANGE
FOR MOUNTING
IN 80 HOLE
Configurations
Master Battery Disconnect Dual Pole
Switching One Battery, Positive and Negative
(shown in ON state)
Master Battery Disconnect Dual Pole
Switching Two Batteries
(shown in ON state)
Specifications
880175
Max operating voltage
48V DC
Max continuous current
500A per circuit, with 2 x 4/0 input and 2 x 4/0 output cables
350A per circuit, with 1 x 4/0 input and 1 x 4/0 output cables
Cranking rating (30sec)
2250A per circuit, with 2 x 4/0 input and 2 x 4/0 output cables
1750A per circuit, with 1 x 4/0 input and 1 x 4/0 output cables
Inrush rating (1 sec)
3000A per circuit with 2 x 4/0 + 1 x 2 AWG
Terminal stud size
M12 x 25mm - 30 Nm Maximum Torque
Temperature range
-50° to 85°C, DC - Rated to 105°C
Humidity
0 – 95% RH
Shock
30 G
Vibration
8G
Ingress rating
IP67 & IP69K
www.littelfuse.com/cvp
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