VAL-MS+TE-AR-T1/T2 75/P-FM
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Lightning/surge arrester type 1/2
2906321
Assembly with base element for type 2 arresters of the VALVETRAB MS product range and TE-AR disconnect terminal block, with remote indication contact and field wire isolation. Version for 1-mode protection of field signals in railroad applications.
Product details
| Product type | Base element |
| Product family | VALVETRAB MS |
| IEC test classification | I / II |
| I / II | |
| T1 / T2 | |
| T1 / T2 | |
| EN type | T1 / T2 |
| T1 / T2 | |
| Type | DIN rail module, two-section, divisible |
| Number of positions | 1 |
| Surge protection fault message | Optical, remote indicator contact |
| Nominal voltage UN | 60 V DC |
| Nominal current IN | 76 A |
| Indicator/remote signaling | |
| Connection name | Remote fault indicator contact |
| Switching function | Changeover contact, 1-pos. |
| Maximum operating voltage Umax. AC | 250 V AC |
| Max. operating current Imax | 1.5 A AC (250 V AC) |
| 1.5 A DC (30 V DC) | |
| 1.5 A DC (30 V DC) | |
| Operating voltage | 5 V AC ... 250 V AC |
| 125 V AC (UL) | |
| 30 V DC | |
| Operating current | 5 mA AC ... 1.5 A |
| 1 A (UL) | |
| 1 A | |
| House (L0) | |
| Connection method | Screw terminal block |
| Tightening torque | 3 Nm ... 4.5 Nm (Ground) |
| 1.5 Nm ... 1.8 Nm (House) | |
| 2.5 Nm ... 3 Nm (Field) | |
| Conductor cross-section flexible | 1.5 mm² ... 35 mm² (16 mm strip length) |
| 0.5 mm² ... 15 mm² (10 mm strip length) | |
| 1.5 mm² ... 25 mm² (14 mm strip length) | |
| Conductor cross-section rigid | 1.5 mm² ... 35 mm² (16 mm strip length) |
| 0.5 mm² ... 15 mm² (10 mm strip length) | |
| 1.5 mm² ... 25 mm² (14 mm strip length) | |
| Conductor cross-section AWG | 15 ... 2 (16 mm strip length) |
| 20 ... 6 (10 mm strip length) | |
| 12 ... 4 (14 mm strip length) | |
| Remote fault indicator contact | |
| Connection method | Screw connection |
| Screw thread | M2 |
| Tightening torque, min | 0.25 Nm |
| Tightening torque | 2 lbf-in. ... 4 lbf-in. (UL) |
| Stripping length | 7 mm |
| Conductor cross-section flexible min. | 0.14 mm² |
| Conductor cross-section flexible max. | 1.5 mm² |
| Conductor cross-section, rigid min. | 0.14 mm² |
| Conductor cross-section, rigid max. | 1.5 mm² |
| Dimensional drawing |
|
| Width | 17.7 mm |
| Height | 112 mm |
| Color | black (RAL 9005) |
| Flammability rating according to UL 94 | V0 |
| Housing material | PBT/PA |
| Direction of action | L-L / L-PE |
| Maximum continuous operating voltage UC | 75 V DC |
| Maximum continuous operating voltage UC (L-N) | 75 V DC |
| Rated load current IL | 55 A (Serial through wiring at 16 mm²) |
| Nominal discharge current In (8/20) µs | 12.5 kA |
| Maximum discharge current Imax (8/20) µs | 50 kA |
| Short-circuit current rating ISCCR | 25 kA (L-PE) |
| Voltage protection level Up | ≤ 0.7 kV |
| Response time tA | ≤ 25 ns |
| Total surge current (10/350) µs | 15 kA |
| Total surge current (8/20) µs | 50 kA |
| Max. backup fuse with branch wiring | 160 A (gG) |
| 160 A (gG) |
| Ambient conditions | |
| Degree of protection | IP20 (when disconnect closed) |
| IP20 | |
| Ambient temperature (operation) | -40 °C ... 80 °C |
| Altitude | max. 3000 m |
| Permissible humidity (operation) | 5 % ... 95 % |
| Permissible humidity (storage/transport) | 5 % ... 95 % |
| Shock (operation) | 10g |
| Vibration (operation) | 2g (0 Hz ... 200 Hz) |
| Air clearances and creepage distances | |
| Standards/regulations | EN 60664-1 / EN 61643-1 |
| Mounting type | DIN rail mounting with additional retaining screw |
Your advantages
With floating remote indication contact
12.5 kA lightning surge current
IP20 touch safe when connected
Tool-free field wire disconnect and test point
Isolated field and house wire (4-post equivalent)
Separate field and house wire termination