DIN Rail Miniature Circuit Breakers Ex9 Series - B1
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Data Sheet DIN Rail Miniature Circuit Breakers

Miniature Circuit Breakers NOARK Ex9 Series - B1 NOARK Miniature Circuit Breakers offer these advantages: high-performance, small size, exemplary protection, easy DIN rail installation, fast wiring utilizing double terminal technology and ring tongue terminals. The integrated captive connecting screws simplify the connection process. The NOARK B1H/B1N/B1D series is UL listed for 489 applications, as well as CSA C 22.2 No. 5. The NOARK B1E Series is UL 1077 for Supplemental Protector applications while also complying with both CSA C 22.2 No. 235 and IEC 60947-2 and UL 486 standard for...

Miniature Circuit Breakers Specifications Temperature De-rating When the ambient temperature slightly changes, please refer to the table below for the Temperature Compensation Coefficient Ambient Temperature ºF (ºC) 2020 NOARK Electric • All Rights Reserved

Miniature Circuit Breakers Product Selection Guide B1 Trip Curves Rated Current Terminal Code Blank: Box Lugs are Standard R: Ring Tongue Terminal (UL 489 only) Wiring Diagram AC Connection 2020 NOARK Electric • All Rights Reserved

Miniature Circuit Breakers Trip Curves and Packaging Information B Curve Packaging Information UL 489 Number of Poles Pack Unit Pieces Full Pack Pieces Pack Unit Pieces Full Pack Pieces Pack Unit Pieces Full Pack Pieces 2020 NOARK Electric • All Rights Reserved

Miniature Circuit Breakers Dimensions B1H/N 1P/2P/3P B1H/N with Ring Tongue Terminal 1P/2P/3P B1D with Ring Tongue Terminal 1P/2P 2020 NOARK Electric • All Rights Reserved

Miniature Circuit Breakers Dimensions B1E - 1~63 A 1P/2P/3P/4P Unit: in. [mm] 2020 NOARK Electric • All Rights Reserved

Miniature Circuit Breakers Accessory Specifications UL 489 B1H/B1N/B1D E355392 UL File Number Auxiliary Contact and Alarm Contact (Signal Contact) Rated Current (Available for Each Contact Incorporated in Any Accessory) Auxiliary Contacts Wiring Tightening Torque Reference Stripping Length Shunt Trip Rated Control Voltage Wiring Tightening Torque Reference Stripping Length Auxiliary Contacts 110-415 Vac / 110-130 Vdc; 48-60 Vac/dc; 12-24 Vac/dc 18-14 AWG (0.5-4 mm2); 140/167°F (60/75°C) Cu wire 9 lb. in (1.0 Nm) 0.3 in (7 mm) 1NO+1NC/ No Auxiliary Contact Under-Voltage Release Rated Control...

Miniature Circuit Breakers Accessory Specifications UL 1077 B1E E355391 UL File Number Auxiliary Contact and Alarm Contact (Signal Contact) Rated Current (Available for Each Contact Incorporated in Any Accessory) Auxiliary Contacts Wiring Tightening Torque Reference Stripping Length Shunt Trip Rated Control Voltage Wiring Tightening Torque Reference Stripping Length Auxiliary Contacts 110-415 Vac / 110-130 Vdc; 48-60 Vac/dc; 12-24 Vac/dc 18-14 AWG (0.5-4 mm2); 140/167°F (60/75°C) Cu wire 9 lb. in (1.0 Nm) 0.3 in (7 mm) 1NO+1NC/ no aux contacts Under-Voltage Release Rated Control Voltage...

Miniature Circuit Breakers Accessory Product Selection Guide AL31 Auxiliary Contact Device Category AL31: Alarm Switch (Signal Contact) Auxiliary Contact Device Category Rated Voltage Under-Voltage Trip Shunt Trip Blank: No Auxiliary Contact 10 in (254 mm) shaft, with Door Interlock 6 in (152.4 mm) shaft, without Door Interlock Extend Rotary Handle * Not UL listed * Used with 2/3/4 pole Device Category RTT31: Ring Tongue Terminal (UL 489) 2020 NOARK Electric • All Rights Reserved

Miniature Circuit Breakers Optional Terminals Ring Tongue Terminal UL 489 only Only Rated Voltage 480Y/277 Vac Ring Cable Lugs Ring Tongue Details A Ring Cable Lugs Insulated Only Insulated Only Rated Voltage 240/240 Vac Insulated Only Accessory Connection Diagrams AL3111 2020 NOARK Electric • All Rights Reserved

Miniature Circuit Breakers Accessory Dimensions AL31N/AX31N Alarm Switch/Auxiliary Contact Unit: in [mm] 2.97 [75.5] 2.60 [66] SHT31N/UVT31N Shunt Trip/ Under-Voltage Trip Unit: in [mm] 2.97 [75.5] 2.60 [66] 0.70 [17.8] 2020 NOARK Electric • All Rights Reserved

Miniature Circuit Breakers Accessory Dimensions ERH31N Extended Rotary Handle Unit: in [mm] 2020 NOARK Electric • All Rights Reserved

NOARK Electric North America 2188 Pomona Blvd, Pomona Ca 91768 (626) 330-7007 na.noark-electric.com • nasales@noark-electric.com Note: NOARK Electric reserves the right to make technical changes or modify the contents of this document without prior notice. With regard to purchase orders, the agreed particulars shall prevail. NOARK Electric nor any of its affiliates or subsidiaries shall be responsible or liable for potential errors or possible lack of information in this document. NOARK Electric reserves all rights in this document and in the subject matter and illustrations contained...