Series 227 ATC
®
Circuit Breakers (low profile)
Circuit Protection
227 ATC
®
Circuit Breaker
ATC
®
Circuit Breakers
Manual Reset
Specifications
Single Pole Thermal Type Breakers
Rating:
5-30A, 28Vdc
Interrupt Rating:
2000A @ 28Vdc
Operating Temperature Rating:
–40°F (–40°C) to 185°F (85°C)
Storage Temperature Rating:
–40°F (–40°C) to 260°F (125°C)
Materials:
UL-Rated 94V0 thermoplastic body. Tin-plated copper alloy
terminals
Marking:
Cover is color-coded to amperage ratings
Termination:
5.2mm wide blades compatible with ATC
®
type fuse blocks
Compliances:
SAEJ553; SAEJ1171 (ignition protected)
Consult factory for time characteristic curves
Dimensions - mm(in)
(Dims. Shown are for reference only. Contact factory for latest prints)
Temperature Derating Curves
19.3
(0.76)
6.4
(0.25)
4.6
(0.18)
15A
28VDC
XXXXX
14.6
(0.57)
30
(1.18)
XXXX
6.5
(0.26)
25.1
(0.99)
Abient Temperature in Degrees F
4.13
(0.16)
14.6
(0.57)
0.6
(0.02)
Trip Time vs. Percent of Rated Current
Part Numbering System
Series
Rating
Marking
Time in Seconds
2 2 7
05 – 5 amps [LT. Brown (Tan)]
06 – 6 amps [Moss Green]
75 – 7.5 amps [Brown]
10 – 10 amps [Red]
15 – 15 amps [Blue]
20 – 20 amps [Yellow]
25 – 25 amps [White]
30 – 30 amps [Green]
–
0 0
00-Std. Marking
(Consult factory for special marking.)
66
Cooper Bussmann Transportation Products
Maximum % Hold Current