DIN Rail Miniature Circuit Breakers Ex9 Series - B1

Product catalog summary

Overview: The document provides detailed specifications and features of NOARK Electric's Ex9 Series B1 Miniature Circuit Breakers (MCBs). These breakers are designed for high performance, compact size, and easy installation on DIN rails. They are suitable for both North American and global applications, meeting various UL and CSA standards.

Specifications: The MCBs are available in different series (B1H, B1N, B1D, B1E) with varying poles (1 to 4) and rated operational voltages up to 480Y/277 Vac and 250 Vdc. They support rated currents from 0.5A to 125A and have different instantaneous tripping types (B, C, D curves). The breakers have a protection degree of IP20 and are designed for a service life of up to 20,000 mechanical operations.

Standards and Compliance: The B1H/B1N/B1D series is UL 489 listed, while the B1E series is UL 1077 recognized. They also comply with CSA and IEC standards, ensuring suitability for various applications.

Temperature De-rating: A detailed table provides temperature compensation coefficients for different ambient temperatures, affecting the rated amperes of the breakers.

Product Selection Guide: The guide includes wiring diagrams for AC and DC connections, specifying the appropriate breaker series and configurations for different applications.

Trip Curves and Packaging: The document outlines the trip curves (B, C, D) for different series and provides packaging information, including unit weights and pack sizes for various pole configurations.

Dimensions: Detailed dimensions are provided for each breaker series and configuration, ensuring proper fit and installation in various setups.

Accessory Specifications: The document details auxiliary contacts, shunt trips, under-voltage releases, and ring tongue terminals, including their rated voltages, wiring specifications, and tightening torques.

Optional Terminals and Connection Diagrams: Information on optional terminals and accessory connection diagrams is provided, highlighting compatibility and installation requirements.

Notes: NOARK Electric reserves the right to make technical changes without prior notice and emphasizes the importance of adhering to agreed particulars in purchase orders.

Catalog excerpts

DIN Rail Miniature Circuit Breakers Ex9 Series - B1-1

Data Sheet DIN Rail Miniature Circuit Breakers

Open the catalog to page 1

DIN Rail Miniature Circuit Breakers Ex9 Series - B1-2

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 connection...

Open the catalog to page 2

DIN Rail Miniature Circuit Breakers Ex9 Series - B1-3

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

Open the catalog to page 3

DIN Rail Miniature Circuit Breakers Ex9 Series - B1-4

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

Open the catalog to page 4

DIN Rail Miniature Circuit Breakers Ex9 Series - B1-5

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

Open the catalog to page 5

DIN Rail Miniature Circuit Breakers Ex9 Series - B1-6

Open the catalog to page 6

DIN Rail Miniature Circuit Breakers Ex9 Series - B1-7

Open the catalog to page 7

DIN Rail Miniature Circuit Breakers Ex9 Series - B1-8

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 Voltage...

Open the catalog to page 8

DIN Rail Miniature Circuit Breakers Ex9 Series - B1-9

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 Wiring...

Open the catalog to page 9

DIN Rail Miniature Circuit Breakers Ex9 Series - B1-10

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

Open the catalog to page 10

DIN Rail Miniature Circuit Breakers Ex9 Series - B1-11

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

Open the catalog to page 11

DIN Rail Miniature Circuit Breakers Ex9 Series - B1-12

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

Open the catalog to page 12

DIN Rail Miniature Circuit Breakers Ex9 Series - B1-13

Open the catalog to page 13

DIN Rail Miniature Circuit Breakers Ex9 Series - B1-14

NOARK Electric North America 2188 Pomona Blvd, Pomona Ca 91768 (626) 330-7007 na.noark-electric.com • [email protected] 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 therein....

Open the catalog to page 14