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Schneider Electric MJA266005

Schneider Electric MJA266005

MPNMJA266005
Obsolete

SQUARE D MJA266005: MOLDED CASE CIRCUIT BREAKER 600V 600A

$4,705.00Ref. price · indicative, final on quote
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026

Specifications

MJA266005 key specifications
ParameterValue
Control typeOperating handle
Product or component typeCircuit breaker
Voltage750 V IEC 60947-2
[Ue] rated operational voltage600 V AC 50/60 Hz UL 489
[Uimp] rated impulse withstand voltage8 kV IEC 60947-2
Breaking capacityAIR 100 kA 240 V AC 50/60 Hz UL 489 AIR 65 kA 480 V AC 50/60 Hz UL 489 AIR 25 kA 600 V AC 50/60 Hz UL 489 Icu 65 kA 240 V AC 50/60 Hz IEC 60947-2 Icu 50 kA 380/415 V AC 50/60 Hz IEC 60947-2
Line rated current600 A
Breaking capacity codeJ
Continuous current rating80 %
Magnetic tripping current1200...6000 A
[Ics] rated service breaking capacity35 kA 240 V AC 50/60 Hz IEC 60947-2 25 kA 380/415 V AC 50/60 Hz IEC 60947-2
Power wire stripping length1.0 in (25 mm)

All specifications

MJA266005 additional specifications
ParameterValue
Network frequency50/60 Hz
Poles2P
Phase connectionCA
Utilisation categoryCategory A
IP degree of protectionIP40
Mounting modeI-Line bracket)
Mounting height9 in (228.6 mm)
Mounting supportBracket
Terminal identifierAL800M23K
Electrical connectionI-Line connection, line Lugs, load
Pollution degree3 IEC 60947-1
Operating altitude< 6561.68 ft (2000 m) without derating 13123.36 ft (4000 m) with derating
ColorBlack
Depth8.05 in (204.47 mm)
Width8.27 in (210.06 mm)
Height12.86 in (326.64 mm)
StandardsUL CSA NEMA NOM-003-SCFI-2000 IEC 60947-2
RangePowerPact
CategoryUS10DE201200
AWG gauge3 x AWG 3/0...3 x 500 kcmil aluminium/copper
Quality labelsCE
Trip unit nameET 1.0
Number of slots2 auxiliary switch OF plug-in) 1 alarm switch SD plug-in) 1 voltage release MN or MX plug-in)
Local signalling1 trip indicator green)
Quantity per set1
Tightening torque442.5 lbf.in (50 N.m) 0.1...0.4 in² (95...240 mm²) (3 x AWG 3/0...3 x 500 kcmil)
Device applicationDistribution
Trip unit technologyElectronic, basic, ET 1.0,
Suitability for isolationYes IEC 60947-2
Circuit breaker applicationHACR rated
Long time pick-up adjustment range300...800 A
Ambient air temperature for storage-58...185 °F (-50...85 °C)
Ambient air temperature for operation-13...158 °F (-25...70 °C)
MPN
MJA266005