Masterpact NT LV Power Circuit breakers and Switch-Disconnec…

Switchgear and Components

Circuit Breakers

Masterpact NT LV Power Circuit breakers and Switch-Disconnector, 3 & 4 poles, with Micrologic Trip Units 2, 5, 6, 7 A/E/P/H and accessories

Product Description

Class B adjustable circuit breaker for type H1, H2;, Class A adjustable circuit breaker for type L1;, They are available with stored energy closing, trip-free mechanism, in fixed or drawout versions, and with either front or rear connections;, Trip unit selection and adjustment are by 'Micrologic' control units;, H1 and H2 indicate Heavy duty types;, L1 indicates current Limiting type circuit breaker.

Product Ratings

Max Continuous Current Ratings: 630 A to 1600 A (H1 & H2 types) and 630 A to 1000 A (L1 type) | Rated Insulation Voltage: 1000 V a.c. | Max Rated Operational Voltage: 690 V a.c. | Rated Frequency: 50-60 Hz

Applicable Standards

IEC 60947-2 Ed.5.1 (2019-07)

UL 489 Ed.13 (2016-10-24) ANSI Approved on 2019-04-22
UL 1066 Ed.4 (2012-04-13) ANSI Approved on 2017-03-22
ANSI/IEEE C37.13 (2015)
ANSI/NEMA C37.50 (2018)
CAN/CSA-C22.2 No. 31-M89 (R2000)