70 CircuitBreakers w .f a ct ory mi n w .f a ct ory mi n ... · now high-quality Miniature Circuit...
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70 Circuit Breakers www. factorymation. com now high-quality Miniature C ircuit Breakers to fit your supplementary protection needs. The NB1 Series of MCBs are UL1077 recognized and can be trusted to provide overcurrent protection for your automation control devices and components. The NB1 MCB features include: • UL 1077, CSA, VDE, CE • Current ratings up to 63A • Maximum 480VAC (multi-pole), 277VAC (single-pole) • DC Voltage ratings for B-curve models • B trip curves models available for general use and DC applications • D trip curve models available for high starting current applications such as motor starting • 5000 A Interrupt Rating • DIN rail mount chassis • Captive terminal screws won’t fall out M INIATURE C IRCUIT BREAKERS File: E218757 70 Circuit Breakers www. factorymation. com B&B ow offers CHINT high-quality Miniature C ircuit Breakers to fit your supplementary protection needs. The NB1 Series of MCBs are UL1077 recognized and can be trusted to provide overcurrent protection for your automation control devices and components. The NB1 MCB features include: • UL 1077, CSA, VDE, CE • Current ratings up to 63A • Maximum 480VAC (multi-pole), 277VAC (single-pole) • DC Voltage ratings for B-curve models • B trip curves models available for general use and DC applications • D trip curve models available for high starting current applications such as motor starting • 5000 A Interrupt Rating • DIN rail mount chassis • Captive terminal screws won’t fall out M INIATURE C IRCUIT BREAKERS File: E218757 NB1 AA C - - Valid Current Ratings 1-4 6 10 16 20 25 32 40 50 63 C = Curve: “B” or “D” P = Poles: “1”, “2” or “3” AA = 2 Digit Amperage Agency Approvals UL 1077, CSA; Standard: IEC60898, CV, ESC, FIMKO, KEMA, SEMKO, VDE, UKREST, PCT, RCC Maximum Voltage Single pole: 277VAC, 110VDC (DC Voltage for B curve only); Multi-pole: 480VAC, 125VDC (DC Voltage for B curve only) Maximum Interupt Rating 5k VAC, 10k VDC (DC Voltage for B curve only) Lifespan Mechanical: 10,000 operations; Electrical (Ie max.): 4000 operations Switching Rate Mechanical: 240 ops/hr; Electrical: 240 ops/hr (1-32A), 120 ops/hr (40-63A) Ambient Temperature Operating: -5 to +40°C (23 to +104°F) Degree of protection IP20 Max Power Consumption 2W (1-10A), 3.5W (16-32A), 5W (40-63A) Terminal Capacity 1.0 to 16mm 2 (17 to 6 AWG) Tightening Torque 2.0 N.m General Specifications International Headquarters: 815-433-5100 Fax 433-5104 www.bb-elec.com European Headquarters: + 353 91 792444 Fax +353 91 792445 www.bb-europe.com # P Example Part Number: NB1-B10-2P
Transcript of 70 CircuitBreakers w .f a ct ory mi n w .f a ct ory mi n ... · now high-quality Miniature Circuit...
70 Circuit Breakers www. factorymation. com
now high-quality Miniature C ircuitB reakers to fit your supplementary protection needs.T he NB 1 S eries of MC B s are UL1077 recognizedand can be trusted to provide overcurrent protection foryour automation control devices and components.T he NB 1 MC B features include:
• UL 1077, CSA, VDE, CE• Current ratings up to 63A• Maximum 480VAC (multi-pole), 277VAC (single-pole)• DC Voltage ratings for B-curve models• B trip curves models available for general use and DC applications• D trip curve models available for high starting current applications such
as motor starting• 5000 A Interrupt Rating• DIN rail mount chassis• Captive terminal screws won’t fall out
MINIATURE CIRCUIT BREAKERS
F ile: E 218757
70 Circuit Breakers www. factorymation. com
B&B ow o�ers CHINT high-quality Miniature C ircuitB reakers to fit your supplementary protection needs.T he NB 1 S eries of MC B s are UL1077 recognizedand can be trusted to provide overcurrent protection foryour automation control devices and components.T he NB 1 MC B features include:
• UL 1077, CSA, VDE, CE• Current ratings up to 63A• Maximum 480VAC (multi-pole), 277VAC (single-pole)• DC Voltage ratings for B-curve models• B trip curves models available for general use and DC applications• D trip curve models available for high starting current applications such
as motor starting• 5000 A Interrupt Rating• DIN rail mount chassis• Captive terminal screws won’t fall out
MINIATURE CIRCUIT BREAKERS
F ile: E 218757
N B1 A AC- -
V alid C urren t R a tings1 -46
1016202532405063
C = C urve : “B ” o r “D ” P = P o les: “1 ”, “2 ” o r “ 3 ”
A A = 2 D ig it A m perage
Agency Approvals UL 1077, C S A; S tandard: IE C 60898, C V, E S C , F IMKO, K E MA,S E MKO, V DE , UK R E S T, P C T, R C C
Maximum Voltage S ingle pole: 277VAC , 110V DC (DC Voltage for B curve only);Multi-pole: 480VAC , 125V DC (DC Voltage for B curve only)
Maximum Interupt R ating 5k VAC , 10k V DC (DC Voltage for B curve only)
L ifes pan Mechanical: 10,000 operations ; E lectrical (Ie max.): 4000 operations
Switching R ate Mechanical: 240 ops/hr; E lectrical: 240 ops/hr (1-32A), 120 ops/hr (40-63A)
Ambient Temperature Operating: -5 to +40°C (23 to +104°F )
Degree of protection IP 20
Max Power Cons umption 2W (1-10A), 3.5W (16-32A), 5W (40-63A)
Terminal Capac ity 1.0 to 16mm2 (17 to 6 AWG )
T ightening Torque 2.0 N.m
General Specifications
International Headquarters: 815-433-5100 Fax 433-5104 www.bb-elec.com European Headquarters: +353 91 792444 Fax +353 91 792445 www.bb-europe.com
# P
Example Part Number:NB1-B10-2P
71Circuit Breakers1.800.972.0436
AC operation B curve
t(s)
100005000
1h20001000
500200100
502010
521
0.50.20.1
0.050.020.01
0.0050.0020.001 0.5 1 2 3 4 5 7 10 20 30 5070100 200 I/In
10 00 050 00
1h20 0010 00
50 020 010 0
502010
521
0.50.20.1
0.050.020.01
0.00 50.00 20.00 1 0.5 1 2 3 4 5 7 10 20 30 50 7010 020 0 I/In14
t(s)
AC operation D curve
2 2Let- th ro u gh I t/AS
6 3 A5 0 A3 2 A2 5 A2 0 A1 6 A1 0 A
6A
4A
3A
2A
1A
4 0 A
510
5
410
5
310
210 5 310 5 410Sho rt-ci rcut curr ent ip/A
2I t
10 00 050 00
1h20 0010 00
50 020 010 0
502010
521
0.50.20.1
0.050.020.01
0.00 50.00 20.00 1 0.5 1 2 3 4 5 7 10 20 30 50 7010 020 0 I/In14
t(s)
DC operation B curve
77 (3.03”)
49.5 (1.95 ”)
45(1.77”)
35(1 .38” )
86(3.39”)
18(0.71 ”)
36(1.4 2”)
54(2.1 3”)
NB1 Dimensions
NB1 Characteristic Curves
Temperature -10°C 0°C 10°C 20°C 30°C 40°C 50°C 55°C 60°C
Compens ation Coeffic ient 1.20 1.15 1.10 1.05 1.00 0.95 0.90 0.875 0.85
International Headquarters: 815-433-5100 Fax 433-5104 www.bb-elec.com European Headquarters: +353 91 792444 Fax +353 91 792445 www.bb-europe.com
