Tag: ACB

Categories
Miniature Circuit Breaker

Meba circuit breaker MBL11

Meba Circuit Breaker MBL11

Meba circuit breaker MBL11

Specification

Application:

Meba circuit breaker MBL11is mainly used in AC50/60HZ single-pole 230V or two, three, four-pole 400V circuit for overload and short-circuit protection as well as for unfrequent on-and-off switching electric equipment and lighting circuit under normal condition. The product is suitable for industry, business, building, residence, etc. It is conformity with GB10963,IEC60898 standards.

1.1 Function
protection of circuits against short-circuit currents,
protection of circuits against overload currents,
switch,
isolation,
circuit breaker is used in domestic installation,
as well as in commercial and industry electrical
distribution systems.

1.2 Feature
high protective grade(up to IP20), high breaking capacity,
reliable sensitive action, convenient, long life etc.

1.3 Selection
Technical data of the network at the point considered:
the earthing systems (TNS, TNC),
short-circuit current at the circuit-breaker installation point,
which must always be less than the breaking capacity of this device,
Network normal voltage.

Tripping curves of Circuit breaker:
B curve (3-5In)  protection for people and big length cables in TN and IT systems.
C curve (5-10In)  protection for resistive and inductive loads with low inrush current.
D curve(10-14In)  protection for circuits which supply loads with high inrush current
at the circuit closing (LV/LV transformers, breakdown lamps).

1.4 Approvals and certificates of Circuit breaker
Detailed information, please refer to Certificates Table

 

Technical Data

Number of Poles: 1P,2P,3P, 4P

Rated Current(A):6A, 10A, 16A,20A, 25A, 32A, 40A, 50A, 63A

Breaking Capacity(A): 6000A

Rated Voltage(V):240/415V

Rated Frequency:50/60HZ

Electrical Life:6000

Mechanical life:20000

Protection degree:IP20

Features

MAGNETIC COIL: ensures the switching of short-circuit, speaking within the following ranges: 5 to 10 times rated current (Type C), 3 to 5 times rated current ( Type B ), 10 to 14 times rated current ( Type D )

BIMETAL: ensures the breaker trip when overloaded.

ARC CHAMBER: effectively dissipates the electric arc that is generated by the opening contacts of the trigger mechanism in the presence of an overload or short circuit.

Gallery

Meba circuit breaker MBL11

  • Meba circuit breaker MBL11
Categories
Miniature Circuit Breaker

Meba circuit breaker type THQC

Meba circuit breaker type THQC

Specification

Meba circuit breaker type THQC

THQ, THC series miniature circuit breaker is characteristic of small size, light weight, novel structure and excellent performance. They are mounted in the illuminating distribution board and used in guesthouses, block of flats, high buildings, squares, airports, railway stations, plants and enterprises etc, in AC circuits 230V(single pole) up 400V(3pole) 50/60Hz for protection of overload short circuit and for circuit change-over in lighting system. Breaking capacity is 3KA. The items comply with BS & IEC60947 standard.

Parameter

Meba circuit breaker type THQC

Feature

1. Much higher short circuit breaking capacity.
2. Dual-connection convenient for both standard busbar and conductor connection.
3. Improved safety of operators offered by special design of terminals.
4. Much longer service life thanks to energy storage operating mechanism.
5. A variety of modular auxiliaries allows for easy and quick installation.
6. Enclosure and functional parts made of advanced plastics with flame-retardant,heat-resistant and impulse-proof properties.
7. Higher current-limiting capacity ensuring a cost-effective range of products.

Technical Data

Pole number Rated current(A) Rated voltage(V) Rated making and breaking
capacity(KA)		 Setting temperature of
protective characteristics
B.S NEMA
1P 6, 10, 15, 20, 30, 40, 50, 63 AC12 5 40
AC120/230 5
AC230/400 3
2P 6, 10, 15, 20, 30, 40 AC120/230 40
AC230/400 3 5
3P 50, 63 AC230/400 3

Connection
Pillar type terminal
Mounting: clips pan assembly base
Plug-in mounting base

Overall & Installation Dimensions

Gallery

[Download not found]
Categories
Miniature Circuit Breaker

Meba electrical circuit breaker MBQH1

Meba electrical circuit breaker MBQH1

Specification

Meba electrical circuit breaker MBQH1

 – Hydraulic-magnetic technology ensures reduced nuisance tripping with temperature variance
– Always hold 100% rated current
– Wide range of time delays & operating currents
– Current limiting capabilities
– Ultra compact 26mm width module
– Din (13), (18) only, Mini-rail or Dual mountable (13),(19) and (26)
– Trip indication with mid trip handle position
– Switch disconnector provides circuit isolation
– Reset possible immediately after overload

Parameter

Meba electrical circuit breaker MBQH1

Technical Data

Max. AC Voltage 230/400 VAC
Max. Interrupting Capacity 10kA rms
Min. Current Rating 10A
Max. Current Rating 1=125A
2, 3,1+N, 3+N=100A
Agency Recognition of Approvals IEC 60947-2
SANS VC8036
SANS 156

Applications
– Branch circuit protection
– Telecom power distribution
– Power conditioning
– Automatic control systems
– Power supplies
– Power conversion systems
– UPS equipment
– Control machines
– Generator sets

QH Range
Standard Circuit Breaker 10KA Curve 2 (Standard) mini and DIN Mounting, 57 MM Escutcheon
Type Poles Voltage KA MCB Width(mm) STD Pack Rating(A)
QH-1(26) 1 230VAC 10 26 (1 Module) 12 10 15 20 25 30 35 40 45 50 63 70 80 100 125
QH-2(26) 2 400VAC 10 52 (2 Module) 6 10 15 20 25 30 35 40 45 50 63 70 80 100
QH-3(26) 3 400VAC 10 78 (3 Module) 4 10 15 20 25 30 35 40 45 50 63 70 80 100
QH-N-2(26) 1+N 230VAC 10 52 (2 Module) 6 10 15 20 25 30 35 40 45 50 63 70 80 100
QF-N-4(26) 3+N 400VAC 10 104 (4 Module) 3 10 15 20 25 30 35 40 45 50 63 70 80 100
Standard Circuit Breaker 10KA Curve 1, mini and DIN Mounting, 57 MM Escutcheon
Type Poles Voltage KA MCB Width(mm) STD Pack Rating(A)
QH-1(26) 1 230VAC 10 26 (1 Module) 12 10 15 20 25 30 35 40 45 50 63 70 80 100 125
QH-3(26) 3 400VAC 10 78 (3 Module) 4 10 15 20 25 30 35 40 45 50 63 70 80 100
Standard Circuit Breaker 10KA Curve 1, mini and DIN Mounting, 57 MM Escutcheon
Type Poles Voltage KA MCB Width(mm) STD Pack Rating(A)
QH-S-1(26) 1 230VAC 10 26 (1 Module) 12 63 125
QH-S-2(26) 2 400VAC 10 52 (2 Module) 6 63 100
QH-S-3(26) 3 400VAC 10 78 (3 Module) 4 63 100
Categories
Miniature Circuit Breaker

Meba circuit breaker MBI216C

Meba circuit breaker MBI216C

Specification

Meba circuit breaker MBI216C, this mini circuit breaker is mainly suitable for overload and short circuit protection. It is especially used for illumination and distribution in industry and commerce.It is of pleasing outlook & high breaking capacity etc.The frame and parts adopt plastics of light weight, reliable performance, high inflammable resistance and shock resistance for long service life. It is mainly used for overload and short circuit protection within the circuit of AC 50/60Hz,rated voltage of single pole up to 230V, two, three or four pole up to 400V. It can also be used for an un-frequent switch over of the circuit and illumination under normal condition.

Parameter

Meba circuit breaker MBI216C

Technical parameters:

Rated current(A) Pole Rated voltage (V) Breaking capacity (A) Electrical life(times) Mechanical life (times)
1,2,3,4,6,10,16,20,25,32,40,50,63 1,2,3,4 1P+N 240/415 6000 8000 10000

 

Some items for your reference when selecting the device:

a)The earthing systems(TNS,TNC)

b)Short-circuit of the specific power system, which must always be less than the breaking capacity of this device

c)The rated voltage

d)Tripping curves:

  • B curve (3-5In) —- protection for people and big length cables in TN and IT systems (lights or socket circuits etc.)
  • C curve (5-10In) —- protection for resistant and inductive loads with low inrush current (groups of bulbs, motors etc)
  • D curve (10-14In) —- protection for circuits with high inrush current (transformers, double-pole motors, motors with heavy start etc)

Dimension (mm):

Hager Mini circuit breaker dimension
Meba circuit breakers MB1216C

The over-current tripping unit protection feature:

Sequence
NO .		 Release Test
current I/In		 Start state Tripping
time		 Expected
results
1 B,C,D 1.13In Cold state t≤1h Not tripping
2 B,C,D 1.45In Start right after
the serial NO .
1 test		 t<1h Tripping
3 B,C,D 2.55In Cold state 1s<t<60s Tripping
4 B
C
D		 3In
5In
10In		 Cold state t≤0.1s Not tripping
5 B
C
D		 5In
10In
20In		 Cold state t<0.1s Tripping
Categories
Miniature Circuit Breaker

Meba B type mcb MBB8-63-3P

Meba B type mcb MBB8-63-3P

Specification

Meba B type mcb MBB8-63-3P

is mainly used in AC50/60HZ single-pole 230V or two, three, four-pole 400V circuit for overload and short-circuit protection as well as for unfrequent on-and-off switching electric equipment and lighting circuit under normal condition. The product is suitable for industry, business, building, residence, etc. It is conformity with GB10963,IEC60898 standards.

Parameter

Meba B type mcb MBB8-63-3P

Feature
1. Much higher short circuit breaking capacity.
2. Dual-connection convenient for both standard busbar and conductor connection.
3. Improved safety of operators offered by special design of terminals.
4. Much longer service life thanks to energy storage operating mechanism.
5. A variety of modular auxiliaries allows for easy and quick installation.
6. Enclosure and functional parts made of advanced plastics with flame-retardant,heat-resistant and impulse-proof properties.
7. Higher current-limiting capacity ensuring a cost-effective range of products.

Technical Data
– Rated current: 1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A,40A,50A,63A.
– Tripping characteristics: B(3-5)In; C(5-10)In; D(10-15)In.
– No. of pole: 1p, 2p, 3p, 4p.
– Breaking capacity (see table1).

Rated current(A) Pole Rated Voltage(V) Rated short-circuit breaking current (A) COS
1~63 1 230,230/400 6000 0.7
2,3,4 400 6000 0.7