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Complete Circuit Breakers Catalog

Complete Circuit Breakers Catalog

Product catalog summary

Overview: This document outlines the technical specifications and installation guidelines for the RA Series circuit breakers, specifically the NRAS, NRAR, NRAN, NRBM, and NRC series. These breakers are designed for applications such as semiconductors, relay circuits, heater circuits, transformers, and solenoids.

Specifications:

NRBM Series: Features rated currents from 1A to 50A, offering excellent overload and short circuit protection. It is UL1077 recognized and VDE certified to EN60934, with electromagnetic tripping available in 1, 2, or 3 poles.
NRC Series: Provides superior protection with rated interrupting capacities of 2,500A for 1-pole and 1,500A for 2-pole configurations, featuring electromagnetic tripping and available with slide or lever actuators.

Installation Guidelines:

Mount circuit breakers on a vertical surface with a maximum deviation of 10° from the vertical plane.
Mounting options include DIN rail, direct surface, or panel cut-out.

Key Features:

NRBM Series: High efficiency, compact size, and a life expectancy of over 10,000 operations.
NRC Series: Equipped with reset trip indicators and available in multiple rated currents from 300mA to 30A.

Time Delay Curves: Detailed time delay curves for AC and DC applications are included, showing response times for various overcurrent conditions.

Accessories: Options include DIN rail and mounting clips, panel cut-out mounting brackets, and fast-on tab terminal adapters.

Important Notes:

NRBM and NRC series are not suitable for branch circuit protection.
Multi-pole units feature simultaneous break/make with mechanically interlocked levers.

Procedures: Installation instructions emphasize vertical mounting within 10° of the vertical plane. Multi-pole types should be assembled by IDEC, and 1-pole breakers cannot be combined to form multi-pole units.

Standards and Norms: Time delay characteristics for overcurrent protection at 40ºC are outlined, with specific curves for AC and DC applications. Resistance and impedance characteristics at various rated currents are detailed, highlighting voltage drop considerations.

Recommendations: For optimal performance, use circuit breakers within specified mounting angles and consider voltage drop in low-rated breakers. Accessories like plug-in bases and flush plates are recommended for various mounting styles.

Key Data from Tables and Graphs: Time delay curves and resistance/impedance characteristics are presented, showing the relationship between current load and time delay or resistance. Correction curves for impedance and resistance at 40ºC are provided, with tolerances for different current ranges.

Applications: NRC series circuit breakers are suitable for precision measuring instruments, industrial machinery, chemical and food industry machines, machine tools, business machines, and office equipment.

Operation: IDEC’s hydraulic magnetic circuit breakers operate like a solenoid coil, providing overload and short-circuit protection, with auxiliary and alarm contacts available for monitoring and control.

Catalog excerpts

Switches & Pilot LightsDisplay LightsRelays & SocketsTimersTerminal Blocks New and updated product information Օ Downloadable software demos & upgrades Part confi guration tool & cross reference Օ Online stock check & ordering IDEC fi eld sales & distributor search Օ Online literature request Downloadable manuals & CAD drawings Օ Manufacturers suggested retail price list ҕ Product training schedule & locations Advertising & trade show schedules Օ Press releases & FAQs Circuit Breakers Table of Contents Automation & Sensing - Pg. 1Safety - Pg. 315Switching & Controls - Pg. 439Index - Pg. 911 size="-1">

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Series ModelNRANRBMNRCPage 883893900 > Switches & Pilot LightsDisplay LightsRelays & SocketsTimersTerminal BlocksCircuit Breakers Appearance Lever andRocker (non-illuminated and illuminated)LeverSlide, lever Actuator Style Number of Poles Lever: 1, 2, 3Rocker: 11, 2, 31, 2 Protection Method Electromagnetic trip Internal Circuits Series current trip Auxiliary Contact Optional (250V AC, 5A; 50V DC, 1A)Optional (250V AC, 5A; 50V DC, 1A) Alarm Contact Optional (250V AC, 5A; 50V DC, 1A)Optional (250V AC, 5A; 50V DC, 1A) Inertia Delay Optional (for resistance to high inrush)Optional (for resistance...

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Switches & Pilot LightsDisplay LightsRelays & SocketsTimersTerminal BlocksCircuit Breakers File No. E68029 License #116381 RockerIlluminated Rocker(with Neon lamp) > Protection Method Electromagnetic tripping Internal Circuit Series current trip Number of Poles NRAS and NRAN: 1, 2, 3NRAR: 1 Rated Voltage 250V AC, 50/60Hz, 65V DC Rated Tripping Currents 0.3A, 0.5A, 0.75A1A, 2A, 3A, 5A, 7.5A, 10A, 15A, 20A, 25A, 30A Rated Interrupting Capacity 250V AC, 50/60Hz, 1,000A 65V DC, 1,000A Auxiliary Contact SPDT microswitch: 250V AC, 5A (resistive load), 50V DC, 1A (resistive load) Alarm Contact SPDT...

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Switches & Pilot LightsDisplay LightsRelays & SocketsTimersTerminal BlocksCircuit Breakers DescriptionPart Number CodeRemarks Lever (round cutout) NRASLever (rectangular cutout) NRAN Rocker NRAR Model Internal Circuit 1-pole1NRAR available in 1-pole only. All multi-pole circuit breakers are simultaneous throw/simultaneous break. All levers are mechanically interlocked.2-pole23-pole3 Series current trip1 No. of Poles Without00With auxiliary contact11Auxiliary contact switches change state with lever and/or overload condition With alarm contact21Alarm contact switches change state only with overload...

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Switches & Pilot LightsDisplay LightsRelays & SocketsTimersTerminal BlocksCircuit Breakers Lead Wire Pilot LightAB Neon(120V AC)WhiteWhiteNeon(240V AC)BlackBlack > (Lead wire A)(Lead wire B) (Lead wire A)(Lead wire B) Dashed lines represent NRAR illuminated rocker units. Lead wires for neon pilot light as shown above. Percent of Rated CurrentCurve100%125%150%200%400%600%800%1000% AA No trip10 1206 ֖ 452.2 150.3 ֖ 20.05 0.550.007 ֖ 0.130.005 0.04 BA No trip0.75 ֖ 100.45 3.50.22 ֖ 1.30.045 0.220.012 ֖ 0.120.005 0.060.004 ֖ 0.03 > AC (50/60Hz) MA No trip60 90030 ֖ 2609 701.5 ֖ 80.18 2.50.009 ֖ 0.250.006...

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Switches & Pilot LightsDisplay LightsRelays & SocketsTimersTerminal BlocksCircuit Breakers >

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1. For use on main terminals only. 2. Includes M3.5 clamp screw. Switches & Pilot LightsDisplay LightsRelays & SocketsTimersTerminal BlocksCircuit Breakers

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Switches & Pilot LightsDisplay LightsRelays & SocketsTimersTerminal BlocksCircuit Breakers DescriptionPart Number CodeRemarks 1-pole1All multiple pole circuit breakers are simultaneous throw/simultaneous break. All levers are mechanically interlocked.2-pole23-pole3 No. of Poles Internal Circuit Series current trip1 Without00With auxiliary contact11Auxiliary contacts change state with lever and/or overload condition With alarm contact21Alarm contacts change state only with overload condition Auxiliary and Alarm Contacts Without inertia delayBlankWith inertia delayF Inertia Delay Rated Current...

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Switches & Pilot LightsDisplay LightsRelays & SocketsTimersTerminal BlocksCircuit Breakers Percent of Rated CurrentCurve100%125%150%200%400%600%800%1000% AA No trip15 1208 ֖ 453 150.48 ֖ 2.50.06 0.80.007 ֖ 0.130.005 0.04 BA No trip0.75 ֖ 100.45 3.50.22 ֖ 1.30.045 0.220.012 ֖ 0.120.005 0.060.004 ֖ 0.03 > AC (50/60Hz) MA No trip70 90030 ֖ 26010 701.8 ֖ 110.5 40.009 ֖ 1.10.006 0.2 AD No trip10 ֖ 1306 552.6 ֖ 200.5 3.50.14 ֖ 1.40.008 0.70.005 ֖ 0.35 > DC MD No trip35 40020 ֖ 1808 601.6 ֖ 100.6 4.50.01 ֖ 20.007 0.5 > 1. All values above are in seconds.2. Data in this table is equivalent to information...

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Switches & Pilot LightsDisplay LightsRelays & SocketsTimersTerminal BlocksCircuit Breakers 2-M3 screw 1-pole2-pole Recommended nut tightening torque: 2.5 Nm 2-M3 screws > Main terminal: M5 screw Tab terminal #110 >

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Switches & Pilot LightsDisplay LightsRelays & SocketsTimersTerminal BlocksCircuit Breakers UL RecognizedFile No. E68029 CSA Certifi edFile No. LR83454 Protection Method Electromagnetic tripping Internal Circuit Series current trip Number of Poles 1, 2 Rated Voltage 250V AC (50/60Hz), 65V DC Rated Tripping Currents 0.3A, 0.5A, 1A, 2A, 3A, 5A, 7A, 10A, 15A, 20A, 30A Rated Interrupting Capacity 2,500A, 250V AC, 50/60Hz(2-pole: 1,500A) SPDT contact output250V AC 3A (resistive load)65V DC 1A (resistive load)) Auxiliary Contact Reference Temperature 40պC Operating Temperature 10 to +60ֺC (avoid freezing)...

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Switches & Pilot LightsDisplay LightsRelays & SocketsTimersTerminal BlocksCircuit Breakers AppearanceDescription Part Number CodeRemarks 1-pole112-pole21 No. of Poles No0Yes1 Auxiliary Contacts SlideLeave blankSlide actuator available only for 1-pole models. Actuator Type LeverL Rated Current 0.3A, 0.5A, 1A, 2A, 3A, 5A, 7A, 10A, 15A, 20A, 30A Time Delay Curve AC curves: AA, EA; DC curves: AD, ED > 1. For NRC series accessories, see page 902.2. For NRC series time delay curves, see page 903. 3. For NRC series dimensions, see page 905.

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