Telegra

AC Supply:	Single phase 120/240 VAC, 60Hz and 230 VAC, 50 Hz (-15% to +10%) or Three phase 380 VAC, 50 Hz (-15% to +10%)
DC Supply:	12 - 48 V
Over-voltage/Surge Protection:	Varistors, fuses, opto-couplers, suppressors, gas dischargers
Pixel pitch:	12 mm minimum
Classification according to EN 12966:	LED Intensity (Luminance) :	L3,L3(*),L3t
	Luminance ratio:	R2-R3
	Beam width:	B1-B7
	Color Class:	C2
	Temperature:	T1, T2,T3 (-40 - +60)
	IP protection	P2, P3 (IP55 – IP56)
Communication Protocols:	TLS, PROFIBUS, MODBUS, TCP/IP, XML-OPC, NTCIP (others on demand)
LED Monitoring and Test:	Continuous, for each LED separately, testing of both ON and OFF state

Main Components of Fully programmable LED Display:

• Housing designed for outdoor exploitation:
• back and front panel access/service door materials
• adopted in accordance with EU norms
• (AlMg2/3, AlMgSiO,5)
• Extremely durable self cleaning front panel lenses
• Intelligent Control and Drive Modules
• Power supply Modules (AC-DC SMPS)
• LED’s mounted on Printed Circuits Board
• Ambient (External) Light Intensity Measuring Module
• Intelligent Climate Control (multiple temperature, humidity sensors and efficient ventilation system)
• Communication Modules (RS485/422/232, Ethernet,
• GSM/GPRS, Bluetooth) for all transmission Media
• (SM/MM fiber/copper cables & Wireless) 

Standards:
Telegra’s Programmable LED VMS products meet and often exceed all international standards for the most
stringent optical, mechanical and environmental requirements. Our products are UL and CUL listed, and
approved for EN12966, TÜV, CE, RoHS, BAST and ISO 9001 standards. Telegra programmable LED
products also comply with:
· NEMA TS4, NTCIP and ITE requirements
· ANSI, IEEE, AASHTO and AWS certification criteria
· IAC6008–2–34, IEC60068–2–37 and MIL–810C standards for vibration and shock endurance
· IEC60950–1, HD.384.4 and HD.638 safety standard
· IEC60529 standard for enclosure protection

Certificates and Third Party (Independent Laboratory) Test Results
· Optical performance certified according to EN–12966–1–Variable, vertical road traffic signs Part 1:
Variable message signs
· Vibration tests according to IEC 60068–2–34, IEC 60068–2–37
· Temperature requirements
· Cold in accordance to IEC 60068–2–1
· Dry heat in accordance to IEC 60068–2–2
· Humidity in accordance to IEC 6006–2–30
· Temperature range in accordance to IEC 60068–2–14)
· Degrees of protection provided by Enclosure in accordance to IEC 60529
· General requirements – Information technology equipment – Safety in accordance with IEC 60950–1
· Electrical safety: Requirements for electrical installations in accordance to HD.384.4 and HD.638
· EMC testing in accordance to:
LED signs meet electro–magnetic interference immunity levels as defined in EN 50293:2000:
· EN 55022: Terminal disturbance voltage, Class B
· EN 55022: Radiated emissions, Class B
· EN 61000–3–2: Limits for harmonic current emissions, Class A
· EN 61000–3–3: Limitation and voltage fluctuations and flicker low voltage supply system
· EN 61000–4–2: Immunity to electrostatic discharge, failure criteria: B
· EN 61000–4–3: Immunity to radiated electromagnetic fields, failure criteria: A
· EN 61000–4–4: Immunity to fast transients (Burst), failure criteria: B
· EN 61000–4–5: Immunity to surges, failure criteria: B
· EN 61000–4–6: Immunity to conducted high frequency interference, failure criteria: A
· EN 61000–4–11: Immunity to voltage drops, short interruptions and voltage variations
· Environmental standards for shock in accordance to MIL–810C