Memshield 2 TVSS Range

The MEMSHIELD 2 Surge Protective Device has been developed specifically for application with Memshield 2 'A' Type and 'B' Type single and three phase MCB distribution boards, ensuring outstanding product performance for all sensitive, mission critical and general purpose loads.

The UL1449 Second Edition and UL1283 listed devices provide high peak surge current ratings and exceptionally low real-world measured limiting (let-through) voltage values, together with outstanding durability, assuring the Memshield 2 range will provide a lifetime of effective, maintenance free protection for all electrical and electronic systems.

Protection

Active Response Network (ARN) provides optimum suppression of internal switching generated transients.

Threshold Response Network (TRN) provides maximum suppression of high energy impulse generated transients.

This assures excellent protection of sensitive electronic, electro-mechanical and mirco-processor based equipment.

LED status indication is provided.

Volt free relay allows remote status indication.

General Specifications

Description:
 Parallel configured, hard wire connected, 80kA per phase peak surge current Transient Voltage Surge Suppressor.

Application:
 Location Categories B and A, medium and low exposure level. General purpose, sensitive, and mission critical loads. Small AC power service entrances ( 630amps), MCCB panelboards.

Warranty:
 10-Year Free Replacement.

Unit Listings:
 UL1449 Second Edition, UL1283 Filter.

Quality:
 ISO 9001: 1994 Quality System Certification
BSI FM 30833.

Mechanical Specifications

Enclosure:
 IP23 rated steel enclosure.

Mounting:

Externally threaded conduit fitting and multi-point mounting feet.

Flush mounting plate available, order list number ZPLATE-4

Connection:
 Standard products include approx. 450mm factory fitted stranded cable #10 AWG (6mm²).

Shipping Weight:
 2.2kg.

TVSS Modules

Each TVSS module is supplied complete with the following:

  • TVSS unit as detailed above
  • 32A Type C MCB; SP for Type A (SPN) and TP for Type B (TPN) distribution boards
  • Fittings to attach TVSS unit to distribution board
  • Full instructions

TVSS Module Kit

List No.

For Type A (SPN) distribution boards

M2SSK1

For Type B (TPN) distribution boards

M2SSK3


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Test Performance Data

List No.

System Configuration

Nominal System Voltage (rms)

ANSI/IEEE C62.41 - 1991 Measured Limiting Voltage Tests ‡

A1 Ring Wave 2,000V 67A 180° Phase Angle

B3/C1 Impulse Wave 6,000V 3,000A 90° Phase Angle

C3 Impulse Wave 20,000V 10,000A 90° Phase Angle

M2SSK1

SP N & E

200, 208, 220, 230, 240

L-N 70V
L-E 530V
N-E 610V

L-N 690V
L-E 640V
N-E 830V

L-N 1300V
L-E 1230V
N-E 1090V

M2SSK3

TP N & E
Star Connected

230/380, 230/400, 240/415, 277/480

L-N 70V
L-L 130V
L-E 530V
N-E 610V

L-N 690V
L-L 1100V
L-E 640V
N-E 830V

L-N 1300V
L-L 1500V
L-E 1230V
N-E 1090V

‡ Measured Limiting (Let-Through) Voltage Test Environment:
Test waveforms as described in ANSI/IEEE C62.41- 1991 (A1 Ring Wave - 100Khz, 2,000V, 67A, B3/C1 Combination Waveform 6,000V 1.2/50µs, 3,000A 8/20µs, C3 Combination Waveform - 20,000V 1.2/50µs, 10,000A 8/20µs) All modes tested dynamic except N-E, positive polarity. All voltages are peak (+/-10%), oscilloscope time-base 1ms. 180° phase angle voltages measured from the zero crossing, 90° phase angle voltages are measured from the positive peak of the AC sine wave to the positive peak of the surge. All test measurements taken at the busbar, and performed with suppressor mounted directly adjacent to and fed from, the lowest outgoing way on a Memshield 2 B Type MCB Distribution board, simulating actual installation conditions. Options offered may result in performance variance.
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NOTE: This unit is supplied as a complete ready-to install contractor pack, and INCLUDES the appropriate MCB for a Memshield 2 MCB Distribution board. (M2SSK1, single phase includes 1 x MCH132, M2SSK3, three phase includes 1 x MCH332).

 International Voltage Configurations

 

Dimensions
Memshield 2 Range

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Eaton MEM

Telephone:

0121 685 2100

+44 121 685 2100

Facsimile:

0121 706 2012

+44 121 706 2012

Address:

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

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