Memshield 2 Miniature Circuit Breakers

The Memshield 2 MCB is an all new high performance current limiting device with the ability to disconnect short circuits of up to 15kA.
The feature packed device is both British designed and manufactured, using the latest technology.

Memshield 2 miniature circuit breakers are available in one of the widest ranges available in the world; over 600 different types are available.

MCBs comply with Lloyds Register of Shipping.

The MCBs are suitable for use with Memshield 2 distribution boards. In addition MCBs are suitable for a wide range of OEM applications.

Current ratings available :- 1, 2, 4, 6, 8, 10, 13, 16, 20, 25, 32, 40, 50 & 63A.
The range is available with types B, C and D, in single pole (SP), single pole and switched neutral (SPSN), double pole (DP), triple pole (TP), and four pole (FP) configurations.

On SPSN the switched neutral is unprotected, on DP and FP all poles are protected. SPSN are fitted with neutral contacts which make first and break last.

Units are also suitable for use on DC systems from 24V to 120V;
fault level at 24V = 6kA; 120V = 4kA.

  • SP MCBs can be used in type A distribution boards
  • SP, DP and TP MCBs can be used in type B distribution boards
  • SPSN and DP MCBs can be used in DP distribution boards
  • FP MCBs are for specialist OEM applications

When fitted with an RCD Pod to form an RCBO, the combination is suitable for use with 240V AC systems; it is not suitable for DC or 110V AC systems.

MCBs are calibrated to 40°C. 50°C can be supplied - add 'X' to end of list number.


 Memshield 2 - Type B MCBs, 3 to 5 x In
 Memshield 2 - Type C MCBs, 5 to 10 x In
 Memshield 2 - Type D MCBs, 10 to 20 x In
 Memshield 2 - MCB Accessories
 Shunt Trips, Undervoltage Releases, Auxiliary & Alarm Contacts
 HRC Fuse Carriers
 Comb Busbars
 Contact Details

1). Any SP or SPSN MCB can be factory or site fitted with an RCBO pod providing hundreds of possible combinations.
2). Magnetic Type characterisics to BS EN 609898 B, C, D for a wide choice of applications.
3). Foolproof positive contact indication gives the assurance of isolation.
4). Breaking capacities of up to 10kA (BS EN 60898) and 15kA (BS EN 60947-2).
5). Five pole configurations and 14 current ratings for increased flexibility.
6). Quality trip free mechanism prevents MCBs from being held 'ON'.
7). Optional padlock dolly for positive locking 'ON' or 'OFF'.
8). High performance current limiting design for safer installations.
9). Optional screw and terminal shields for full shrouding of MCBs.
10). All new 'easy fit' British design.
11). Generous, wire-in, wire-out, box type terminals for cables up to 25mm², and fork type comb busbar facilities on line and load side for OEM installations.
12). Terminal clamp cable and fork type comb busbar simultaneously.
13). Mounting on standard 35mm DIN-rail to BS 5584 / EN 50 022 for individual and OEM installations.
14). Finger protected combination head screws to increase safety and allow easier installation.
15). Optional rear connectors to allow cables up to 50mm² to be terminated where space is limited.
16). Thermally calibrated to 40°C with 50°C option to cover a wider range of ambient temperatures.


Type B MCBs, 3 to 5 x In
to BS EN 60898 (IEC 60898) & BS EN 60947-2 (This standard is only applicable to the 15kA rated breakers in the table below)
Terminal Capacity 25mm²

Rating

SP
10kA
List No.

SPSN
10kA
List No.

DP
10kA
List No.

TP
10kA
List No.

FP
10kA
List No.

1A

MBH101

MBH101N

MBH201

MBH301

MBH401

2A

MBH102

MBH102N

MBH202

MBH302

MBH402

4A

MBH104

MBH104N

MBH204

MBH304

MBH404

6A

MBH106

MBH106N

MBH206

MBH306

MBH406

8A

MBH108

MBH108N

MBH208

MBH308

MBH408

10A

MBH110

MBH110N

MBH210

MBH310

MBH410

13A

MBH113

MBH113N

MBH213

MBH313

MBH413

16A

MBH116

MBH116N

MBH216

MBH316

MBH416

20A

MBH120

MBH120N

MBH220

MBH320

MBH420

25A

MBH125

MBH125N

MBH225

MBH325

MBH425

32A

MBH132

MBH132N

MBH232

MBH332

MBH432

40A

MBH140

MBH140N

MBH240

MBH340

MBH440

50A

MBH150

MBH150N

MBH250

MBH350

MBH450

63A

MBH163

MBH163N

MBH263

MBH363

MBH463

Rating

SP
15kA
List No.

TP
15kA
List No.

6A

MBV106

MBV306

10A

MBV110

MBV310

16A

MBV116

MBV316

20A

MBV120

MBV320

25A

MBV125

MBV325

32A

MBV132

MBV332

40A

MBV140

MBV340

50A

MBV150

MBV350

63A

MBV163

MBV363

 Contact Details


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Type C MCBs, 5 to 10 x In
to BS EN 60898 (IEC 60898) & BS EN 60947-2 (This standard is only applicable to the 15kA rated breakers in the table below)
Terminal Capacity 25mm²

Rating

SP
10kA
List No.

SPSN
10kA
List No.

DP
10kA
List No.

TP
10kA
List No.

FP
10kA
List No.

1A

MCH101

MCH101N

MCH201

MCH301

MCH401

2A

MCH102

MCH102N

MCH202

MCH302

MCH402

4A

MCH104

MCH104N

MCH204

MCH304

MCH404

6A

MCH106

MCH106N

MCH206

MCH306

MCH406

8A

MCH108

MCH108N

MCH208

MCH308

MCH408

10A

MCH110

MCH110N

MCH210

MCH310

MCH410

13A

MCH113

MCH113N

MCH213

MCH313

MCH413

16A

MCH116

MCH116N

MCH216

MCH316

MCH416

20A

MCH120

MCH120N

MCH220

MCH320

MCH420

25A

MCH125

MCH125N

MCH225

MCH325

MCH425

32A

MCH132

MCH132N

MCH232

MCH332

MCH432

40A

MCH140

MCH140N

MCH240

MCH340

MCH440

50A

MCH150

MCH150N

MCH250

MCH350

MCH450

63A

MCH163

MCH163N

MCH263

MCH363

MCH463

Rating

SP
15kA
List No.

TP
15kA
List No.

6A

MCV106

MCV306

10A

MCV110

MCV310

16A

MCV116

MCV316

20A

MCV120

MCV320

25A

MCV125

MCV325

32A

MCV132

MCV332

40A

MCV140

MCV340

50A

MCV150

MCV350

63A

MCV163

MCV363

 Contact Details


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Type D MCBs, 10 to 20 x In
to BS EN 60898 (IEC 60898) & BS EN 60947-2
Terminal Capacity 25mm²

Rating

SP
10kA
List No.

SPSN
10kA
List No.

DP
10kA
List No.

TP
10kA
List No.

FP
10kA
List No.

1A

MDH101

MDH101N

MDH201

MDH301

MDH401

2A

MDH102

MDH102N

MDH202

MDH302

MDH402

4A

MDH104

MDH104N

MDH204

MDH304

MDH404

6A

MDH106

MDH106N

MDH206

MDH306

MDH406

8A

MDH108

MDH108N

MDH208

MDH308

MDH408

10A

MDH110

MDH110N

MDH210

MDH310

MDH410

13A

MDH113

MDH113N

MDH213

MDH313

MDH413

16A

MDH116

MDH116N

MDH216

MDH316

MDH416

20A

MDH120

MDH120N

MDH220

MDH320

MDH420

25A

MDH125

MDH125N

MDH225

MDH325

MDH425

32A

MDH132

MDH132N

MDH232

MDH332

MDH432

40A

MDL140

MDL140N

MDL240

MDL340

MDL440

50A

MDL150

MDL150N

MDL250

MDL350

MDL450

63A

MDL163

MDL163N

MDL263

MDL363

MDL463
6kA

 Contact Details


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MCB Accessories

The device mechanism for Memshield MCBs is trip free which allows it to be padlocked 'ON' for security, but in the event of a fault condition the device will still operate to disconnect the fault. The device dolly will move to the tripped position when the dolly lock is removed. MCBs can also be padlocked in the 'OFF' position. Distribution board doors can be closed when an MCB is padlocked 'ON' or 'OFF'.

Description

List No.

Blanking Module for unused way

MBP

Blanking Module for half unused way when
MCB auxiliary alarm contacts used

MABP

Dolly Padlocking Device for all MCBs and RCBOs

MBL2 *

* Padlock for MBL2

PD2

MCB Terminal Shroud (each)

MTSH1

MCB Terminal Rear Connectors,
Capacity 50mm² max. (each)

MBRC1

 Contact Details


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Shunt Trips, Undervoltage Releases,
Auxiliary & Alarm Contacts

These devices are simply clipped to the left hand side of an MCB or RCBO and have terminals at one end to allow connection to pan assemblies and comb busbar.

Auxiliary and Alarm Contacts
Auxiliary and alarm contact devices can be fitted together on one MCB. Each is incorporated in a ½ module (9mm) casing with terminals protected to IP2 capable of accepting cable up to 2.5mm². A half module blanking plate is available List No.
MABP.

These devices are designed and manufactured to BS EN 60947.5.1.
Contact ratings: AC14 240V ac 50Hz 6A
DC14 125V dc 1A.


Description

List No.

Auxiliary Contact : A changeover switch incorporating a test function to allow remote indication of the position of the MCB contacts. The auxiliary contact will not differentiate between an MCB that is "off" and one that has "tripped". Typically the auxiliary contact can be used in conjunction with a remote supply and either signal lamps, bells or buzzers.

M2AU

Alarm Contact : A changeover switch incorporating reset and test function providing remote indication of an MCB which has tripped under fault conditions.

M2AL


Shunt Trips and Undervoltage Releases
Suitable for all Memshield 2 MCBs and RCBOs including those with either auxiliary or alarm contacts. A shunt trip and undervoltage release can be fitted together on one MCB.

Each is incorporated in a 1 module (18mm) casing with terminals protected to IP2 capable of accepting cable up to 2.5mm².
Contact ratings : AC14 240V ac 50Hz 5A
DC14 125V dc 1A.


Description

List No.

Shunt Trip : An open circuit shunt release for remote tripping of an MCB offering three voltage options for AC & DC applications.

24V AC / 24V DC

M2STA

48V -110V AC / 48V-60V DC

M2STB

240V AC / 110V DC

M2STC

Undervoltage Release : For remote tripping of an emergency stop loop. 240V AC.

M2UV240

 Contact Details


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HRC Fuse Carriers
for BS 1361 fuses (240V rated).

The Memshield 2 fuse carrier range uses high performance Eaton MEM BS 1361 type fuses capable of disconnecting short circuits of up to 16kA.
The fuse carriers and fuses are both British designed and manufactured, using the latest technology. The protection of circuits by these units is particularly applicable where circuits exhibit high inrush e.g. high frequency lighting. The fuse carriers are suitable for use with Memshield 2 SPN & TPN type MCB distribution boards. In addition fuse carriers are suitable for a wide range of OEM type applications.

Rating

Module
Width

Spare Fuses

SP
List No.

5A

1 SP Way
(18mm)

5LC

MFM05

10A

1 SP Way
(18mm)

1510LC

MFM10

15A

1 SP Way
(18mm)

15LC

MFM15

20A

1 SP Way
(18mm)

20LC

MFM20

30A

1 SP Way
(18mm)

30LC

MFM30

35A

2 SP Ways
(36mm)

35LCS

MFM35

40A

2 SP Ways
(36mm)

40LCS

MFM40

45A

2 SP Ways
(36mm)

45LCS

MFM45

 Contact Details


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Comb Busbars

Comb busbar is available for specialist applications and can be supplied in both pin and fork type formats.
Fork type comb busbar can be used with all Memshield 2 MCBs
* and TPSN RCCBs.
Pin type comb busbar can be used with all Memshield 2 MCBs, HRC fuse modules, switch-disconnectors, terminal
blocks, SPSN and TPSN RCCBs. Note: Due to a height difference TPSN RCCBs cannot be inter-connected with comb busbar when mounted in combination with other devices.

Busbar Material

Copper

Rated Operational Voltage

240/415V

Rated Operational Current

100A

Unused ways on comb busbar can be shielded by fitting the Memshield 2 blanking module, it also provides a barrier in the distribution board front cover aperture. List No. MBP.

* For incoming connections onto fork type comb busbar, MCB terminals clamp cable and busbar simultaneously.


Comb Busbar
Supplied in 1metre lengths.

Description

List No.

16mm² SP Insulated Pin Type

MB1P

20mm² SP Insulated Fork Type

MB1F

16mm² DP Insulated Pin Type

MB2P

16mm² DP Insulated Fork Type

MB2F

16mm² TP Insulated Pin Type

MB3P

16mm² TP Insulated Fork Type

MB3F

16mm² FP Insulated Pin Type

MB4P

16mm² FP Insulated Fork Type

MB4F

Comb Busbar End Covers
For DP, TP & FP busbar configurations, supplied in packs of 10.

Description

List No.

For DP & TP Comb Busbars;
MB2P, MB2F, MB3P & MB3F

MBEC23

For FP Comb Busbars;
MB4P & MB4F

MBEC4

 Contact Details


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Telephone:

08700 545 333

Facsimile:

08700 540 333

Address:

Eaton MEM, Reddings Lane,
Birmingham B11 3EZ - United Kingdom
 E-mail: ukcommorders@eaton.com
 UK Sales Contacts & Distributors
 Eaton MEM Worldwide

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