Current-Relay for Obstacle Lights Type STW200
Current Relays for obstacle lights, AC 12 - 120 mA for LED lanps, 0,1...1 A for light bulbs
Product description
Current-relays STW 200 monitor AC-currents for falling below an adjusted limit. The ranges 12 ... 120 mA and 0.1 ... 1 A allow the monitoring of LED-Lamps as well as incandescent lamps in obstruction lights. In case of main lamp failure a relay switches on the reserve lamp. An alarm contact is available for signalling a lamp failure.
Application
Monitoring of LED-Lamps or light-bulbs in twin obstacle lights with alarm (lamp failure) and switching on a reserve lamp. Monitoring of the function of single obstacle lights. At conventional solutions with a change over contact, there is a short on-pulse at the reserve lamp every time when the system is switched on. The STW 200 switches it on only in case of a failure of the main lamp. LED-lamps can also be monitored with long cables between relay and lamp. When monitoring LED-lamps a total failure is detected. Failures of single LEDs are not detected.
- Measuring input 12…120 mA for LED-lamps
- Measuring input 0,1…1 A for incandescent lamps (bulbs)
- Adjustment range 10…100%
- Relay for switching on reserve lamp in operating current mode
- Relay for Alarm in closed current mode
- Cable-length from relay to lamp up to 500 m
- Display green = o.k., red = low current alarm
- Housing 70 mm wide, mounting height 55 mm
Technical Data
Rated supply voltage US / Frequency
AC 230 V / 50 Hz
Power consumption
< 3 VA
Tolerance of supply voltage
0,85 … 1,1 Us
Tolerance of frequency
48 ... 62 Hz
Adjustment range
Limit I
10…100 % of measuring range
Tolerance
± 20 %
Repeating error
< 1 %
Temperature-factor
< 0.1 %/K
Hysteresis
ca. 5 %
Measuring ranges
Input F1.2
Adjusting range
0.1…1 A
Resistance of input
<= 0.2 Ohm
Overload capacity continuously
2 A
Overload capacity < 10 s
5 A
Overload capacity < 1 s
10 A
Input F1.1
Adjusting range
0.012…0.12 A
Resistance of input
<= 0.5 Ohm
Overload capacity continuously
1.5 A
Overload capacity < 10 s
3 A
Overload capacity < 1 s
10 A
Frequency of measured signal
45…65 Hz
Cable capacitance with LED-lamp
max. 200 nF = approx. 500 m
Switching delays
Switch on delay t1
< 0.2 s
Alarm delay t2
= 2 s
Switch-back delay t3
= 0.2 s
Tolerance at Tu = 25 °C
< ± 10%
Temperature-factor
< 0.4 %/K
Data of relay (EN 60947-5)
Type of contact
2 change-over contacts (CO)
Switching voltage
max. AC 415 V
Switching current
max. 6 A
Switching capacity
max. 2000 VA (ohm resistive load)
max. 120 W at DC 24 V
Rated nominal current Ie (for CO)
3 A AC15 250 V; 2 A DC13 24 V
Recommended fuse
3.15 A gl (slow)
Expected contact life mechanical
3 x 107 switching cycles
Expected contact life electrical
1 x 105 switching cycles at 240 V / 6 A
Factor of reduction at cosϕ = 0,3
0.5 of max. switching capacity
Test conditions (EN 50178 / EN 60 947)
Rated insulation voltage Ui
250 V
Overvoltage category
III
Contamination level
3
Rated impulse voltage
4000 V
On-time
100 %
Rated ambient temperature range
-40 °C ... +55 °C
Temperature for storage
-40…+70 °C
EMV – interference resistance
EN 61000-6-2
EMV – emitted interference
EN 50 081-1
Vibration resistance EN 60068-2-6
2…25 Hz ±1.6 mm
25 ... 150 Hz 5g
Housing
Design
V4, Polyamide PA 66, UL 94 V-2
Mounting height
55 mm
Width
4 TE
Dimensions (W x H x D)
90 x 70 x 58 mm
Installation
Snap mount on 35 mm rail EN 60715 or with screws 2 x M 4
Protection housing / terminals
IP 30 / IP 20
Wire connection one wire
1 x 4 mm2
Stranded with insulated ferrules
1 x 2.5 mm2
Weight
approx. 210 g
CAD Data
Certificates
FAQ / Product videos