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DIN Rail Mount Circuit Breakers
R Series UL1077 Supplementary ProtectorsPLACE ORDER
- DIN Rail Mounted
- 17.5 mm (0.69") Width per Pole
- Thermal Magnetic Overcurrent Protection
- 0.5 - 60 A, 480Y/277 Vac, 50/60 Hz
- 10 kA Short Circuit Interrupting Capacity
- UL Recognized E137915
- Dual Connection Terminals, Box Clamp and Ring Tongue/Forked Terminals
- Marking Area with Clear Cover
Description While UL489 branch circuit breakers protectfeeder or branch circuits, R Series UL1077supplementary protectors are made to tripfaster than a standard UL489 circuit breaker,therefore providing additional protection forspecific devices. Supplementary protectorsprovide critical protection in applicationswhere branch circuit protection is not required,or is already provided by a separate device.
R Series supplementary protectors areavailable in one, two, and three-poleconfigurations and up to 20 different currentratings from 0.5A to 60A and can safelybe used in applications up to 480Y/277Vac with a 10 kA short circuit withstandRating.
Three different trip characteristics, including B, C and D curves,give you the ability to configure the exactprotection scheme you require.
Include business equipment, wiringprotection, lighting, appliances, controlcircuits and some electronic applications.Relatively long thermal trip delay but lowmagnetic trip point.
Include lighting, wiring protection,appliances, business equipment, and controlcircuit applications. Relatively long thermaltrip delay and medium magnetic trip point.
Include control transformers, power suppliesand reactive loads. Relatively long thermaltrip delay and very high magnetic trip point.
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
Voltage Rating: 480Y/277 Vac
Short Circuit Withstand Rating (UL - Ratings):
0.5-10A (RC): 10kA with no back-up fuse
12-60A (RC): 10kA with UL-listed Class J back-up fuse; 5kA with no back-up fuse
Calibration Temperature: 30°C (86°F)
Operating Temperature: -25 to 55°C (-13 to 131°F)
Storage Temperature: -40 to 70°C (-40 to 158°F)
Terminal Size Acceptability:
Top: 18-3 AWG
Bottom: 18-2 AWG (line/load reversible)
Tightening Torque (min/max): 17.7/25 lb-in. (2/2.8 Nm)
Terminal Protection Degree: IP20
Vibration Resistance: ≥15g
Height: 89.3 mm (3.51")
One Pole: 17.5 mm (0.69")
2 Pole: 35 mm (1.38")
3 Pole: 52.5 mm (2.07")
Depth:68.4 mm (2.69") from DIN rail
Use the "Part Number Builder" below for product selection.
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