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Schneider Electric 21128 — Miniature Circuit Breakers (MCB)

Schneider Electric 21128

MPN21128
Obsolete

voltage release - MX - 380..415 V AC 50 Hz

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

21128 — Identification
ParameterValue
Product range (series)Acti9
Product/component typeShunt trip release
21128 — Ratings
ParameterValue
Rated current (In)AC-15 2.2 A at 415 V, AC 50/60 Hz
Rated insulation voltage (Ui)690 V AC 50/60 Hz conforming to EN/IEC 60947-2
Rated impulse withstand voltage (Uimp)6 kV conforming to EN/IEC 60947-2
21128 — Mechanical
ParameterValue
Mounting support35 mm symmetrical DIN rail
Mounting modeFixed
Terminal connection typeClamp terminal - 1 cable(s) 1...2.5 mm² - rigid Clamp terminal - 1 cable(s) 0.75...2.5 mm² - flexible Clamp terminal - 1 cable(s) 0.75...1.5 mm² - flexible with ferrule Clamp terminal - 2 cable(s) 1...2.5 mm² - rigid Clamp terminal - 2 cable(s) 0.75...2.5 mm² - flexible Clamp terminal - 2 cable(s) 0.75...1.5 mm² - flexible with ferrule
Terminal tightening torque1.4 N.m
Local signalling/indicationAction indicator
Width18 mm
Height92 mm
Depth82 mm
Number of 9 mm pitches2
21128 — Environmental
ParameterValue
Operating ambient temperature-20...60 °C
Storage ambient temperature-40...80 °C
Relative humidity95 % at 55 °C
Tropicalisation class2 conforming to EN/IEC 60947-2
21128 — Approvals
ParameterValue
StandardsEN/IEC 60947-2
MPN
21128