BuyLog Flippingbook MAR 2024

METERING, BUYLOG SECTION 2

2-17

— ReliaMod™ PR332/P LSI adjustable trip units

PR332/P LSI adjustable trip unit (on all 1400A, 1600A, and 2000A ReliaMod™ main breaker modules) All ReliaMod™ 1400A, 1600A, and 2000A main breaker modules come with a T8 frame circuit breaker with a digital PR332/P LSI trip unit and RELT. This trip unit has fully adjustable and independent long-time, short-time, and instantaneous protection settings. The adjustable long-time overload setting can be adjusted in increments of 0.01 times the frame size of the breaker (1600A or 2000A for ReliaMod™) down to a minimum of 40% or 0.4 of the frame size. unit can have its long-time overload setting adjusted down to 0.6 to achieve a 1200A rating: 0.06 * 2000A frame = 1200A • A 1600A Frame T8 breaker with PR332/P LSI trip unit can have its long-time overload setting adjusted down to 0.75 to achieve a 1200A rating: 0.75 * 1600A frame = 1200A For example: • A 2000A Frame T8 breaker with PR332/P LSI trip

This gives you maximum adjustably of the long time overload setting.

For more information, please refer to the ABB XT circuit breaker trip simulator at: https://new.abb.com/low-voltage/products/ circuit-breakers/tmax/trip-unit-simulator-xt