Square D Digest 179

Q/LA/LH/Q4-Frame

PowerPacT™ Molded Case Circuit Breakers

www.se.com/us

Class 0734 / Refer to Catalog: 0734CT0201

LA/LH-Frame Molded Case Circuit Breaker (600 A) • Thermal magnetic protection from 125-400 A up to 600 Vac and 250 Vdc • 2- and 3-pole unit mount and I-Line constructions • UL listed interrupting ratings from 30 kA to 35 kA at 480 Vac • UL and CSA certified NOTE: Consider using PowerPacT™ circuit breakers for situations requiring circuit breaker accessories. See PowerPacT Accessories, page 7-55 for more information. Table 7.61: LA/LH-Frame, 600 A, Thermal-Magnetic, Individually-Mounted Circuit Breakers, 600 Vac

Adjustable AC Magnetic Trip

Cat.No.

Ampere Rating

Terminal WireRange

Standard Interrupting High Interrupting

High

Low

LA/LHL 2P and 3P 125–400 A

2P, 600 Vac, 250 Vdc 125A

625A 1250A 750A 1500A 875A 1750A 1000 A 2000 A 1125 A 2250 A 1250 A 2500 A 1500 A 3000 A 1750 A 3500 A 2000 A 4000 A 625A 1250A 750A 1500A 875A 1750A 1000 A 2000 A 1125 A 2250 A 1250 A 2500 A 1500 A 3000 A 1750 A 3500 A 2000 A 4000 A

LAL26125 LAL26150 LAL26175 LAL26200 LAL26225 LAL26250 LAL26300 LAL26350 LAL26400 LAL36125 LAL36150 LAL36175 LAL36200 LAL36225 LAL36250 LAL36300 LAL36350 LAL36400

LHL26125 LHL26150 LHL26175 LHL26200 LHL26225 LHL26250 LHL26300 LHL26350 LHL26400 LHL36125 LHL36150 LHL36175 LHL36200 LHL36225 LHL36250 LHL36300 LHL36350 LHL36400

150A 175A 200A 225A 250A 300A 350A 400A 150A 175A 200A 225A 250A 300A 350A 400A

AL400LA (1) 1 AWG–600 kcmil Al or (2) 1 AWG–250 kcmil Al

3P, 600 Vac, 250 Vdc 125A

AL400LA (1) 1 AWG–600 kcmil Al or (2) 1 AWG–250 kcmil Al

Table 7.62: Interrupting Ratings Voltage

Accessories see PowerPacT Accessories, page 7-55 through Plug-In and Drawout Mountings, page 7-64 Optional Lugs see Mechanical Lug Information, page , Supplemental Digest Section 3. Dimensions see Dimensions and Shipping Weights, page 7-84 Enclosures see Circuit Breaker Enclosures, page 7-86

LAL

LHL

240Vac 480Vac 600Vac

42kA 30kA 22kA

65kA 35kA 25kA

CIRCUIT BREAKERS

7 MINIATURE AND MOLDED CASE

7-39

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