The UL 489 Series miniature molded case
circuit breakers are DIN rail mountable and
provide feeder and branch circuit protection
per UL 489. Typical uses include
convenience receptacles, motor controls,
load circuits leaving equipment, and heating
and air conditioning.
UL 489 Series miniature circuit breakers are
available in one-, two-, three- and four-pole
configurations and up to 23 different current
ratings from 0.3A to 63A and can safely be
used in applications up to 480Y/277 Vac
with a 10kA short circuit withstand rating.
AC Application C-Trip Curve
Low inrush motors, resistive loads, wiring
protection, receptacles, lighting, and control
circuit applications. Relatively short thermal
trip delay and medium magnetic trip point. AC Applications D-Trip Curve
High inrush motors, transformers, power
supplies, heaters and reactive loads.
Relatively long thermal trip delay and very
high magnetic trip point. DC Applications C and D-Trip Curves
Telecommunication equipment, computer
equipment, uninterruptable power supplies.
Features Provided by the Different Types of Circuit Breakers
UL1077 Recognized Supplementry Protectors
UL508 Listed Manual Motor Controllers
UL489 Miniature Molded Case Circuit Breakers
Short Circuit Protection
Specifications Current/Voltage Rating: AC: 0.3-63A – 240 Vac AC: 0.3-32A 480Y/277 Vac DC: 0.3-63A 125 Vdc 1-pole - 250 Vdc 2-pole Electrical Life: 6000 cycles on/off Mechanical Life: 10,000 cycles on/off Calibration Temperature: 40°C (104°F) Operating Temperature: -25 to 55°C (-13 to 131°F) Storage Temperature: -25 to 70°C (-13 to 158°F) Wire Connection: Copper wire only, 60/75°C Terminal Size Acceptability: Top 18-3 AWG, Bottom18-2 AWG Tightening Torque Minimum/Maximum: 17.7/ 22lb-in. (2/2.2 Nm) Terminal Protection Degree: IP20 Dimensions: Height: 105.3mm (4.15") Width: One Pole 17.5mm (0.69"), 2 Pole 35mm (1.38"), 3 Pole 52.5 mm (2.07")
All dollar amounts on this site are shown in Canadian currency.Note: Note: (*)= ”C” for C-curve and “D” for d-curve. Ordering Example: (1) AU-1C5UL Single pole, 5 A C-trip curve circuit breaker, CAD37.50
Part Number Builder
Build Your Part Number Below
Poles select from: -1 for 1 pole -2 for 2 pole -3 for 3 pole
Curve select from: C for C-curve D for D-curve
Rated Current select from: 03 for 0.3A 05 for 0.5A 1 for 1.0A 1.6 for 1.6A 2 for 2.0A 3 for 3.0A 4 for 4.0A 5 for 5.0A 6 for 6.0A 8 for 8.0A 10 for 10A 12 for 12A 13 for 13A 15 for 15A 16 for 16A 20 for 20A 25 for 25A 30 for 30A 32 for 32A 40 for 40A 50 for 50A 60 for 60A 63 for 63A
Current select from: UL for AC DL for DC
Note: All combinations may not be valid, check spec sheet for valid part numbers.