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Phoenix ContactOfficial Distributor

By Phoenix Contact

SKU
MPN
VAL-MS-T1/T2 48/12.5/2+0/1U/FM
Weight
0.251 kg
Series VAL-MS-T1

VAL-MS-T1/T2 48/12.5/2+0/1U/FM - Lightning/surge arrester type 1/2

Universal varistor-based plug-in lightning/surge arrester for 48 V DC applications with grounded return conductor (positive pole), without risk assessment for Lightning Protection Levels III and IV, with remote indication contact.

  • Dual-channel, panel mountable surge protective device
  • Orthogonal mounting orientation to plug
  • Base element with floating remote indication contact
  • Rack-mount 1U panel applications
Technical Specifications

Product properties

Product familyVALVETRAB MS
IEC test classificationI / II
IEC test classificationT1 / T2
IEC test classificationI
EN typeT1 / T2
IEC power supply systemTN-S
TypeDIN rail module, two-section, divisible
Surge protection fault messageOptical, remote indicator contact

Insulation characteristics

Pollution degree2

Electrical properties

Nominal frequency fN50 Hz (60 Hz)

Indicator/remote signaling

Connection nameRemote fault indicator contact
Switching functionChangeover contact
Operating Voltage5 V AC ... 250 V AC
Operating Voltage125 V AC (UL)
Operating Voltage125 V DC (200 mA DC)
Operating current5 mA AC ... 1.5 A
Operating current1 A (UL)
Operating current1 A (30 V DC)

Connection data

Connection MethodScrew connection
Screw threadM5
Tightening torque2.5 Nm ... 3 Nm
Tightening torque22 lbf-in. ... 26.5 lbf-in. (UL)
Stripping length16 mm
Conductor cross section flexible min.1.5 mm²
Conductor cross section flexible max.25 mm²
Conductor cross section, rigid min.1.5 mm²
Conductor cross section, rigid max.35 mm²
Conductor cross section flexible1.5 mm² ... 25 mm²
Conductor cross section rigid1.5 mm² ... 35 mm²
Conductor cross section AWG15 ... 2
Conductor cross section AWG10 ... 2 (UL)

Remote fault indicator contact

Connection MethodPush-in spring connection
Stripping length6 mm
Conductor cross section flexible min.0.2 mm²
Conductor cross section flexible max.0.5 mm²
Conductor cross section, rigid min.0.14 mm²
Conductor cross section, rigid max.0.5 mm²
Conductor cross section flexible0.2 mm² ... 0.5 mm²
Conductor cross section rigid0.14 mm² ... 0.5 mm²
Conductor cross section AWG24 ... 20 (UL)

Dimensions

Width70.6 mm
Height40.6 mm
Height unit1 U
Depth98.1 mm
Horizontal pitch4 Div.

Material specifications

Colorgray (RAL 7042)
Flammability rating according to UL 94V-0
Housing MaterialPA 6.6
Housing MaterialPBT

Mechanical data

Open side panelNo

Protective circuit

Mode of protectionL-PE
Mode of protectionN-PE
Direction of actionN-PE
Direction of actionL-PE
Nominal voltage UN60 V AC ±10 % (TN-S)
Nominal voltage UN-48 V DC ±10 % (RRH)
Nominal frequency fN50 Hz (60 Hz)
Maximum continuous voltage UC75 V AC
Maximum continuous voltage UC100 V DC
Rated load current IL80 A
Residual current IPE≤ 0.6 mA
Standby power consumption PC≤ 45.00 mVA
Nominal discharge current In (8/20) µs12.5 kA
Maximum discharge current Imax (8/20) µs30 kA
Impulse discharge current (10/350) µs, charge6.25 As
Impulse discharge current (10/350) µs, specific energy39 kJ/Ω
Impulse discharge current (10/350) µs, peak value limp12.5 kA
Total discharge current Itotal (8/20) µs50 kA
Short-circuit current rating ISCCR25 kA
Voltage protection level Up≤ 0.4 kV
Residual voltage Ures≤ 0.4 kV (at In)
Residual voltage Ures≤ 0.35 kV (at 10 kA)
Residual voltage Ures≤ 0.3 kV (at 5 kA)
Residual voltage Ures≤ 0.275 kV (at 4 kA)
Residual voltage Ures≤ 0.25 kV (at 3 kA)
TOV behavior at UT100 V AC (5 s / withstand mode)
TOV behavior at UT130 V DC (5 s / withstand mode)
Response time tA≤ 25 ns
Max. backup fuse with V-type through wiring80 A AC (gG - 16 mm²)
Max. backup fuse with branch wiring160 A AC (gG)

Additional technical data

Maximum discharge current Imax (8/20) µs65 kA

Ambient conditions

Degree of ProtectionIP20 (only when all terminal points are used)
Ambient Temperature (Operation)-40 °C ... 80 °C
Ambient temperature (storage/transport)-40 °C ... 80 °C
Altitude≤ 2000 m (amsl)
Permissible humidity (operation)5 % ... 95 %
Shock (operation)30g (Half-sine / 11 ms / 3x ±X, ±Y, ±Z)
Vibration (Operation)7.5g (10 ... 500 Hz / 2.5 h / X, Y, Z)

UL specifications

Maximum continuous operating voltage MCOV (L-N)75 V AC
Maximum continuous operating voltage MCOV (L-N)100 V DC
Mode of protectionL-G
Mode of protectionL-G
Mode of protection(L+) - (L-)
Mode of protection(L+) - G
Mode of protection(L-) - G
Nominal Voltage60 V DC
SPD Type1CA

UL indicator/remote signaling

Operating Voltage125 V AC
AC operating current1 A AC

UL connection data

Tightening torque30 lbf-in.
Conductor cross section AWG10 ... 2

Mounting

Mounting TypePanel mount
Accessories

Why Proax for Phoenix Contact 2907042?

Proax is an authorized distributor of Phoenix Contact 2907042 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 Size6
Recommended
Sold in quantities of 6

Available for order

Phoenix Contact Availability