Product IntroductionScope of Application:HMKM1L Series Moulded Case
Leakage Circuit Breaker (CM1L Moulded Case Leakage Circuit
Breaker) Intelligent circuit breaker, intelligent leakage circuit
breaker, suitable for infrequent switching in circuits with AC
50Hz, rated working voltage 400V, and rated working current up to
630A. The circuit breaker has overload, short circuit, and
undervoltage protection devices to protect the circuit and power
supply equipment from damage. Leakage protection can provide
indirect contact protection for the human body. It can also provide
protection against leakage currents or ground faults from line
equipment. The overall dimensions and installation dimensions of
the molded case leakage circuit breaker are completely the same as
the same housing level of the CM1 molded case circuit
breaker.HMKM1L series moulded case leakage circuit breakers are
divided into two types according to their rated limit circuit
breaker breaking capacity (lcu): M-type (high breaking type) and
H-type (high breaking type). The circuit breaker has the
characteristics of small size, high segmentation, short flashover,
and vibration resistance.Model and Specification of HMKM1L Series
Moulded Case Leakage Circuit BreakersNote:1. There is no code for
direct operation of the handle, and rotation operation is
represented by Z, while electric operation is represented by P;2.
Circuit breakers without release that are only used for isolation
are indicated by 000;3. The circuit breaker for protecting the
motor is represented by 2, and there is no code for power
distribution;4. Structure code of neutral pole (N-pole) of
four-pole circuit breaker.Type A: The N-pole is not equipped with
an overcurrent release element, and the N-pole is always connected
without closing and openingwith the other three poles;Type B: The
N-pole is not equipped with an overcurrent release element, and the
N-pole is closed and opened together with the other 3 poles;Type C:
The N-pole is equipped with an overcurrent release element, and the
N-pole is closed and opened together with the other 3 poles;Type D:
The N-pole is equipped with an overcurrent release element, and the
N-pole is always connected without closing and openingwith the
other three polesProduct Features of HMKM1L Series Moulded
Case Leakage Circuit BreakersThe working power supply of the
leakage protection module of conventional circuit breakers is
sampled as two phases, and this series ofcircuit breakersare
three-phase. If any phase is missing, the circuit breaker can still
operate normally.The rated residual operating current l △ n and the
maximum outage time can be adjusted on site according to century
conditions;When the phase voltage decreases to 50V, the leakage
protection module can still operate normally;With leakage alarm
output function;The appearance and volume are the same as those of
the CM1 molded case circuit breaker, which is installed with the
same specifications andhas good appealHMKM1L Series Moulded Case
Leakage Circuit Breaker Release Mode and Accessory Code:Accessory
NameInstantaneous ReleaseDouble ReleaseNone200300Alarm
contact208308Shunt release210310Auxiliary contact220320Under
voltage release230330Shunt release+auxiliary contact240340Shunt
release+undervoltage release250350Two sets of auxiliary
contacts260360Under voltage release+auxiliary contact270370Opening
time of circuit breaker:Residual Currentl△n2l△n5l△n10l△nNon delay
typeMaximum disconnection time(s)0.20.10.040.04Delay typeMaximum
disconnection
time(s)0.5/1.15/2.150.35/1/20.25/0.9/1.90.25/0.9/1.9Limit inaction
time(s)--0.1/0.5/1----Main Parameters and Technical Performance of
HMKM1L Series Moulded Case Leakage Circuit Breakers:Frame
currentlnm(A)100225400630Model
No.TXM1L-100TXM1L-225TXM1L-400TXM1L-630Rated
Currentln(A)16,20,25,32,40,50,63,80,100100,125,140,160,180,200,225225,250,315,350,400400,500,630Pole3P
/ 4PRated Insulation VoltageUi(V)AC800VRated Operating
VoltageUe(V)AC400VRated Impulse Withstand VoltageUImp8000VRated
Frequency50HzArcing Distance≤50mm≤100mmRated Limit Short-circuit
Breaking Capacitylcu35355080Rated Operating Short-circuit Breaking
Capacitylcs22253535Rated Residual Operating
Currentl△n100/300/500mA300/500/1000mARated Residual Non-operating
Currentl△no1/2l△nOperating performance (times)Electrical
Lifetime1500100010001000Mechanical Life8500700040004000Accessories
(optional)Shunt release••••Undervoltage release••••Auxiliary
contact••••Alarm contact••••Rotary handle operating
mechanism••••Electric operating
mechanism Overall
DimensionsA92122107142150198210280B150165257280C110110146.5155D9290106.5115.5Installation
Dimensionsa30603570448870140b129126194243φd57/* January 22, 2024
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