MAXI BREAKER® SERIES

Miniature Circut Breaker
Description

The MAXI BREAKER® series of circuit protectors are rated for use up to 125ºC. This patented device is available both as a cycling (SAE Type 1) andnon-cycling (SAE Type 2) device. Typical placement of the MAXI BREAKER® is under the hood fuse blocks or other areas of the vehicle that house aMAXI™ Blade Fuse*. The MAXI BREAKER® protects against momentary overloads and eliminates the need for fuse replacement.

Features• Available in SAE Type 1 (cycling) and SAE Type 2 (non-cycling)• Multiple bimetallic resistivities available• Heater wire wrapped around the bimetal keeps the protector open
until power is removed (Type 2 only)

SPECIFICATIONS
Nominal Operating Voltage

14 Volts DC

Typicale Voltage Dropat Operating Current

200 mV max

Current Rating
Typical Ambient
Temperature Range

10 to 50 amps @ 25ºC
(in 5 amp increments)-40ºC to 125ºC

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Curves
These curves are to be used only as a guide in selecting a protector for a particular application. Factors such as distance from the heat source andthe method of mounting should be considered in selecting a protector. Final trip times are dependent upon terminal configuration and mounting in theapplication.
* MAXI™ Blade Fuse is a trademark of Littelfuse®

10000
8000
6000
4000
20A 25A 30A

1000
800
600
400

40A

Percent of Rated Current

Trip Time in Seconds

2000

200
100
80
60
40
20
10864

TypicalMaxi Breaker
Trip Time Curves
at 25ºC

210102030 40 50 60 70
Current in Amperes

160
150
140130120
110
10090
80
70
60504030
20100-50 -30 -1080

All breakers will trip in this area

All breakers hold in this area

TypicalMaxi Breaker
Derating Curves
10 30 50 70 90
Temperature in ºCelsius

11013090

Page 2

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DIMENSIONS
Dimensions in mm [Inch]29.21(1.150)

8.9(.350)

21.60 (.850)
60.0º

12.70 (.500).82 (.032)
29.21(1.150)

2.54 (.100)

Page 3

Revised 01/25/18

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CONTACT US
Americas+1 (508) 236-2551
electrical-protection-sales@sensata.com
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info-sse@list.sensata.com
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