NR21 IDEC Corporation, NR21 Datasheet
NR21
Specifications of NR21
Related parts for NR21
NR21 Summary of contents
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Circuit Breakers NRAS NRAN NRAR NRAR I lluminated Rocker Rocker (neon lamp) Protection Method Electromagnetic tripping Internal Circuit Series current trip NRAS and NRAN Number of Poles NRAR: 1 Rated Voltage 250V AC, 50/60Hz, 65V DC 0.30A, ...
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... With neon light 120V AC (50/60Hz) Pilot Light* With neon light 240V AC (50/60Hz) 1. For NRA series accessories, see page N-6. 2. For NRA series time delay curves, see page N-7. 3. For NRA series dimensions, see page N-10. 4. Not suitable for branch circuit protection. ...
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Circuit Breakers Time Delay Curve Descriptions Time Delay Curve AD, AA Common curves used in molded-case circuit breakers. Response to overcurrent is quite fast. Suited for protection of semiconductor circuits with BA very little overload tolerance. If overcurrents are expected ...
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... NR22 3.Not applicable for NRAR lighted series. 4.Not for use with circuit breakers incorporating 3-pole NR23 auxiliary or alarm contacts. 1-pole NR211 1-pole NUS1 2-pole NUS2 3-pole NUS3 1-pole NUS11 ...
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Circuit Breakers Internal Circuits and Terminal Arrangements: NRAS and NRAN Series Series Current Trip Series Current Trip with Auxiliary Contacts LINE LOAD Internal Circuits and Terminal Arrangements: NRAR Series Series Current Trip Series Current Trip with Auxiliary Contacts LOAD (+) ...
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NRA Series 1,000 100 10 1 0.1 0.01 100 200 300 125 Percent of Rated Current 150 1,000 AA Delay Curve 100 10 1 0.1 0.01 100 200 300 400 500 600 125 Percent of Rated Current 150 N N-8 ...
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Circuit Breakers Coil Data for Series Current Trip at 25 Rated AC Impedance DC Resistance Current (50/60Hz) Curves AA, BA, Curves AD 0.30A 9.67 9.82 0.50A 3.24 3.36 0.75A 1.45 1.49 1A 0.90 0.92 2A 0.21 0.21 3A ...
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NRA Series NRAS NRAN NRAR N N-10 www.idec.com Dimensions 0.745" 0.745" 0.745" (19.1mm) (19.1mm) (19.1mm) 1.20" (30.8mm) (30.8mm) 1-pole: 0.745" (19.1mm) 2-pole: 1.49" (38.2mm) 3-pole: 2.23" (57.3mm) 0.745" 0.745" 0.745" (19.1mm) (19.1mm) (19.1mm) 1.20" (30.8mm) 1-pole: 0.745" (19.1mm) 2-pole: 1.49" ...
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Circuit Breakers Installation Angle: Circuit breakers are designed to operate on a vertical surface. The mount- ing angle should not exceed a vertical plane by more than 10°. NRA Series NRAS 0.745" Ø0.158" (4mm) (19.1mm) Mounting Holes 0.630" (16mm) NR31, ...
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NRA Series NRT: Screw Terminal Adapter (for use with NRA Series) BNDN1000 Aluminum DIN Rail G Overall length 39.4" (1000mm) N N-12 www.idec.com Accessory Dimensions USA: (800) 262-IDEC or (408) 747-0550, Canada (888) ...
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... The electromagnetic tripping system is not affected by ambient temperature • Safe trip-free mechanism • Vibration- and impact-resistant design • When using accessories such as plug-in bases, flush plates, and colored caps, a variety of mounting styles is possible — such as DIN rail mount- ing, snap mounting into panel cut-outs, and color-coded arrangement on ...