VAL-MS BE-AR/FM
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Surge protection base-element
2801066
Base element for Type 1 and Type 2 surge arresters of the VAL-MS series, with separate field and house termination, tool-free isolation disconnect, test point, and remote indication contacts. Design: 1-channel, bridgeable.
Product details
| Product family | VALVETRAB MS |
| Type | DIN rail module, two-section, divisible |
| Number of positions | 1 |
| Surge protection fault message | Optical, remote indicator contact |
| Nominal frequency fN | 50 Hz (60 Hz) |
| Nominal voltage UN | 500 V AC |
| Nominal current IN | 76 A (at 30°C ambient temperature) |
| 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 A AC (250 V AC) |
| 1 A DC (30 V DC) | |
| 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 | 160 mm |
| Depth | 75 mm |
| Color | black (RAL 9005) |
| black (RAL 9005) | |
| Flammability rating according to UL 94 | V0 |
| Housing material | PA |
| Mechanical data | |
| Open side panel | No |
| Direction of action | 1L-N/PE |
| Nominal frequency fN | 50 Hz (60 Hz) |
| Rated load current IL | 55 A (with 6 AWG) |
| Total surge current (10/350) µs | 15 kA |
| Total surge current (8/20) µs | 100 kA |
| 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) |
| UL specifications | |
| Maximum Surge Current per Phase | 100 kA |
| Mounting type | DIN rail mounting with additional retaining screw |
| Mounting position | As desired on 35 mm DIN rail in acc. with EN 60715 |
Your advantages
Separate field and house wire termination
Tool-free field wire disconnect and test point
IP20 touch safe when connected
Coding when protective plug is inserted for the first time