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3C8UR

Description
Circuit Breakers 8A,MCB C CHAR 3PL 480Y/277VAC, UL1077
CategoryCircuit protection   
File Size1MB,1 Pages
ManufacturerAltech
Websitehttp://www.altechcorp.com/
Environmental Compliance
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3C8UR Overview

Circuit Breakers 8A,MCB C CHAR 3PL 480Y/277VAC, UL1077

3C8UR Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerAltech
Product CategoryCircuit Breakers
RoHSDetails
Current Rating8 A
Voltage Rating AC277 VAC
Number of Poles3 Pole
Actuator TypeHandle
Minimum Operating Temperature- 25 C
Maximum Operating Temperature+ 55 C
IlluminatedNot Illuminated
Termination StyleBox Clamp, Ring Tongue
Mounting StyleDIN Rail
Factory Pack Quantity4
UR-Series - UL1077 Recognized Supplementary Protector -
3 pole C-Trip
C
US
UL Recognized
Minutes
E137915
Three Pole
Standard Pack:
12
Weight:
0.3A - 32A
1.75kg (3.86 lb.)
40A - 63A
2.07kg (4.56 lb.)
Rated
Current
0.5A
1.0A
2.0A
3.0A
4.0A
5.0A
6.0A
8.0A
10A
12A
13A
15A
16A
20A
25A
30A
32A
40A
50A
60A
63A*
Type/
Cat. No.
3C05UR
3C1UR
3C2UR
3C3UR
3C4UR
3C5UR
3C6UR
3C8UR
3C10UR
3C12UR
3C13UR
3C15UR
3C16UR
3C20UR
3C25UR
3C30UR
3C32UR
3C40UR
3C50UR
3C60UR
3C63UR
Rated
Voltage
480Y/277V AC
480Y/277V AC
480Y/277V AC
480Y/277V AC
480Y/277V AC
480Y/277V AC
480Y/277V AC
480Y/277V AC
480Y/277V AC
480Y/277V AC
480Y/277V AC
480Y/277V AC
480Y/277V AC
480Y/277V AC
480Y/277V AC
480Y/277V AC
480Y/277V AC
480Y/277V AC
480Y/277V AC
480Y/277V AC
480Y/277V AC
1.13-1.45xI
N
60
40
10
4
1
Thermal Overload
“Must Trip” < 1 hr = 145% RC
“Must Not Trip” > 1 hr = 113% RC
Tripping time t
10
4
1
0.4
10
-1
4x10
-2
Seconds
10
-2
4x10
-3
10
-3
1
2
3 4
5
6 8
10
20
40
100
Multiple of Rated Current
0.5A Through 10A Rated Current
*
63A is not UL Recognized.
Minutes
UR - Series
Voltage Rating
Short Circuit Withstand Rating
0.5-60A / 480Y/277V AC
0.5 - 10A (RC): 10 kA with no back-up fuse
8 - 63A (RC): 10 kA with UL-listed Class J back-up fuse;
5 kA with no back-up fuse
Calibration Temperature
Ambient Temperature
Storage Temperature
Terminal Torque (min/max)
Electrical Life
Mechanical Life
Vibration Resistance
30ºC (86ºF)
-25ºC to +55ºC (-13ºF to 131ºF )
-40ºC to +70ºC (-40ºF to 158ºF )
2 Nm (17.7 lb.in.) / 2.5Nm (22.2 lb.in)
Seconds
Tripping time t
1.13-1.45xI
N
60
40
10
4
1
Thermal Overload
“Must Trip” < 1 hr = 145% RC
“Must Not Trip” > 1 hr = 113% RC
10
4
1
0.4
10
-1
4x10
-2
10
-2
4x10
-3
10
-3
6000 switching cycles ON/ OFF
10000 switching cycles ON/ OFF
> 15g according to DIN EN 60069-2-59 during a load with 1.05 x IN
Resistance to mechanical shocks
25g @ 11ms
1
2
3 4
5
6 8
10
20
40
100
Multiple of Rated Current
12A Through 63A Rated Current
44 mm
25.5 mm
6
37.5 mm
7
“C” Magnetic Trip Parameters
Rated current 0.5A to 63A.
1. Hold for a minimum of 100ms at surge of 5 times rated current.
2. Trip in under 100ms at 10 times rated current.
89.3 mm
34.5 mm
Short Circuit Withstand Ratings
for R-Series Supplementary Protector
45 mm
36.8 mm
Backup Protection
Trip
Curve
Amp
Range
0.5 - 10A
12 - 60A
UL-Listed
Class J Fuse
up to 10kA
70A
4xRC*
No Backup Fuse
Required
up to:
10kA
5kA
36.5 mm
44.5 mm
8
52.5 mm
4
All
All
3 Pole
14.5 mm
30.5 mm
44 mm
68.4 mm
*up to nearest rated current
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