1

11/13/2013

• All products approved to UL1449 Ed 3,

Type 4 tested to Type 1 or 2 and CSA

MDE Semiconductor, Inc.

78-150 Calle Tampico, Unit 210, La Quinta, CA., USA 92253 Tel : 760-564-8656 • Fax : 760-564-2414

1-800-831-4881 Email: sales@mdesemiconductor.com Web: www.mdesemiconductor.com

SURGE SHIELD

High Energy Thermally Protected SSMOV

VOLTAGE-150 to 550 Volts AC

Intregrated Transient Surge Protector

FEATURES

Surge Protective Device with thermal protection

designed to open in the event of overheating

due to an abnormal over-voltage, with High Fault Current.

• Quick response and MOV cutoff function with disconnector and arc

extinguishing device (Patent Pending).

• High surge current capability.

• Low leakage current.

• Two way failure indicator when SSxxxMOV

has been disconnected from the circuit.

1. The signal terminal can be connected to a monitoring circuit.

2. The pole-pin provides a visual indication and/or may be used to

operate an isolated external switch.

• Application in AC mains, service entrance, and heavy industrial etc.

Component for PCB Mounting

Continuous

MCOV

Max

Peak

Current

Test

Current

Rating

Energy

(2ms)

Varistor Voltage

Max Clamping

Voltage

Type

Vrms

(V)

Vdc

(V)

Imax

(kA)

In (kA)

VPR

rating

WTM

(J)

V1mA

(V)

∆V1mA

(%)

VC

(V)

I p (A)

SS150MOV

150

200

50

20

600

360

240

±10

395

300

SS180MOV

180

225

50

20

600

390

270

±10

455

300

SS250MOV

250

320

50

20

900

490

390

±10

650

300

SS275MOV

275

350

50

20

900

550

430

±10

710

300

SS320MOV

320

415

50

20

1200

640

510

±10

850

300

SS420MOV

420

560

50

20

1500

910

680

±10

1120

300

SS510MOV

510

670

50

20

1500

940

820

±10

1350

300

SS550MOV

550

745

50

20

1500

960

910

±10

1500

300

Signal

Terminal

Pole Pin

Shown in

Ready

Position

Lead 1

Lead 2