Altech UL1077 Technical Data
UR Series
UL1077 Recognized
Supplementary Protector
• DIN Rail Mounted
• 17.5mm width per pole
• Thermal Magnetic
• Current Limiting
• 0.5-60A / 480Y/277V AC, 50/60Hz
• 10kA Short Circuit
Withstand Capacity
• Applications (on the load side
of Branch Circuit Protection)
include: Sensitive Electronics,
Power Supplies, Appliance
circuits, etc.
PENDING
UR - Series
Voltage Rating
Short Circuit Withstand Rating
Calibration Temperature
Ambient Temperature
Storage Temperature
Terminal Torque (min/max)
Electrical Life
Mechanical Life
Vibration Resistance
Resistance to mechanical shocks
E137915
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
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)
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 I
25g @ 11ms
Short Circuit Withstand Ratings for R-Series Supplementary Protector
Backup Protection
Trip Amp UL-Listed No Backup Fuse
Curve Range Class J Fuse Required
All 0.5 - 10A 70A 10kA
up to 10kA up to:
N
36
All 12 - 60A 4xRC* 5kA
*up to nearest rated current
Altech Corp.®• 35 Royal Road • Flemington, NJ 08822-6000 • Phone (908)806-9400 • FAX (908)806-9490 • www.altechcorp.com
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Warning!
This information should only be used as a selection guide. The use of a Miniature Circuit Breaker/Supplementary Protector
in an application with a certain Trip-Characteristic always requires prototype testing! It is the responsibility of the circuit
design engineer to select the appropriate Miniature Circuit Breaker/Supplementary Protector for his specific application.
*The value of each characteristic is shown vertically beneath its corresponding heading.
Characteristic Trip Boundaries
Trip-Characteristics* Applications
B-Characteristics
C-Characteristics
D-Characteristics
Thermal Trip
Lighting
Control
Circuits
Wiring
Protection
Business
Equipment
Appliances
Control
Transformers
Power
Supplies
Must not
Trip>100ms
1.13xRC 1.45xRC 3xRC 5xRC
1.13xRC 1.45xRC 5xRC 10xRC
1.13xRC 1.45xRC 10xRC 20xRC
Must Trip
<1hr
Must not
Trip>100ms
Must Trip
at 100ms
Magnetic Trip
General
Electronics
Reactive
Load
1 Pole 2 Pole 3 Pole
17.5 mm
36.5 mm 36.8 mm
35 mm 52.5 mm
68.4 mm
44 mm
30.5 mm
44 mm
37.5 mm
25.5 mm
14.5 mm
45 mm
89.3 mm
44.5 mm
34.5 mm
84
67
Marking Details
Rated Current
Trip Characteristic
Approval
Voltage Rating
No. of Poles
Individual Part Number
is shown
Withstand Rating
Dimensions in mm
Circuit Diagram
Product Series
Application Overview
Altech Corp.®• 35 Royal Road • Flemington, NJ 08822-6000 • Phone (908)806-9400 • FAX (908)806-9490 • www.altechcorp.com
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