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Phoenix ContactOfficial Distributor

By Phoenix Contact

SKU
MPN
VAL-MS-AR-T1/T2 75
Weight
0.222 kg

VAL-MS-AR-T1/T2 75 - Lightning/surge arrester type 1/2

The VAL-MS-AR T1/T2 75 is a high-capacity SPD for Type 1 lightning as well as Type 2 switching surge currents, ideal for applications with both high load currents and high surge risk.VAL-MS BE-AR base provides a disconnect that separates the field wire from the protected mode for field diagnosis. Independent input and output terminals on the same side with ground terminals on the opposite end. All terminals are high-current screw clamping for stripped or ferruled, solid or stranded wires.

Technical Specifications

Product properties

Product familyVALVETRAB MS
IEC test classificationI / II
IEC test classificationT1 / T2
IEC test classificationT1
IEC test classificationI
EN typeT1 / T2
EN typeT1
TypeDIN rail module, two-section, divisible
Surge protection fault messageoptical

Electrical properties

Nominal voltage UN60 V DC
Nominal current IN76 A (at 30°C ambient temperature)

Connection data

Connection MethodScrew terminal block
Tightening torque3 Nm ... 4.5 Nm (Ground)
Tightening torque1.5 Nm ... 1.8 Nm (House)
Tightening torque2.5 Nm ... 3 Nm (Field)
Conductor cross section flexible1.5 mm² ... 35 mm² (16 mm strip length)
Conductor cross section flexible0.5 mm² ... 15 mm² (10 mm strip length)
Conductor cross section flexible1.5 mm² ... 25 mm² (14 mm strip length)
Conductor cross section rigid1.5 mm² ... 35 mm² (16 mm strip length)
Conductor cross section rigid0.5 mm² ... 15 mm² (10 mm strip length)
Conductor cross section rigid1.5 mm² ... 25 mm² (14 mm strip length)
Conductor cross section AWG15 ... 2 (16 mm strip length)
Conductor cross section AWG20 ... 6 (10 mm strip length)
Conductor cross section AWG12 ... 4 (14 mm strip length)

Dimensions

Width17.7 mm
Height153 mm
Depth77.5 mm

Material specifications

Colorblack (RAL 9005)
Colorblack (RAL 9005)
Flammability rating according to UL 94V0
Housing MaterialPA

Protective circuit

Direction of actionL-L / L-PE
Maximum continuous voltage UC75 V DC
Maximum continuous operating voltage UC (L-N)75 V DC
Rated load current IL55 A (with 6 AWG)
Nominal discharge current In (8/20) µs12.5 kA
Maximum discharge current Imax (8/20) µs50 kA
Total discharge current Itotal (8/20) µs50 kA
Total discharge current Itotal (10/350) µs12.5 kA
Voltage protection level Up≤ 0.7 kV
Total surge current (10/350) µs15 kA
Total surge current (8/20) µs50 kA
Max. backup fuse with branch wiring160 A

Ambient conditions

Degree of ProtectionIP20 (when disconnect closed)
Degree of ProtectionIP20
Ambient Temperature (Operation)-40 °C ... 80 °C
Altitudemax. 3000 m
Permissible humidity (operation)5 % ... 95 %
Permissible humidity (storage/transport)5 % ... 95 %
Shock (operation)10g
Vibration (Operation)2g (0 Hz ... 200 Hz)

Mounting

Mounting TypeDIN rail mounting with additional retaining screw
Accessories

Why Proax for Phoenix Contact 2801491?

Proax is an authorized distributor of Phoenix Contact 2801491 and one of Phoenix Contact's largest distributors in North America. Our highly skilled in-house technical team is ready to assist with any technical needs.

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Additional Information
Pack Size1
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