Details
Non-contact overhead wire contact TLC 4 for trams and trolley buses type 8474
The TLC 4 non-contact overhear wire contact is an electronic further development of the existing power contact (usually just called an O contact).
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Technical
data
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Dimensions
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see figure
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Housing
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Polyamide 6.6
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Holder
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Plastic-reinforced glassfibre
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Weight
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approx. 1.4 kg
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Attachment
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by means of 2 contact wire terminals
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in accordance with DIN 43142/44 at
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the contact wire
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Weight
approx. 0.8 kg ? 8474 01
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Contact wire terminals for trolley bus
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operation
? 8474 03
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(also available with tightening eye-
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bolts on request
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Supply cable
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4 wires, twisted
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Length
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max. 3,000 m
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Resistance
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max. 50 Ohm
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Trigger values
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Sliding contact bow min. 40 mm
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wide, regardless of the thickness of
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the carbon layer.
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Switching clearance
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min. 15 mm
from the contact wire
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reserve
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Vehicle speed
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0 - 120 km/h
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Ambient temperature
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-25°C to +70°C
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Type of protection
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IP 67 (fully encapsulated)
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Insulation
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depending on the type of insulation
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Power supply
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done via the associated separation
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stage (low voltage) DC 20-24
V
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Outputs
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2 complementary current loops switching
current: I = 20 mA
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Load: < 300 Ohm
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Signal duration
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corresponds to the duration of the
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damping, regarding of the width of the
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contact bow and the
speed of the
vehicle
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Shock loading
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max. 30 g
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Accessories
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Separation stage
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(please ask)
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Evaluation stage
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(please ask)
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Ordering information
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Type
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Part No.
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8474 01 (Tram)
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130100
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8474 03 (O-Bus)
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130101
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