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Speed Limit Signs are used to define the speeds for vehicles on public roads, and are one of the measures available to control traffic speeds. They usually are mounted at the school area, lanes, highways andtunnels.

Features and Function

Enhanced Reliability and Energy Efficiency

  • Enhanced reliability — SMD LED + optical lens is more reliable than exposed DIP LED
  • Lower power consumption — SMD + optical lens technology reduces power consumption by approximately 50% compared to DIP LED + visor design

Superior Optical and Visual Performance

  • High contrast ratio — under strong sunlight or heavy snow, SMD + optical lens technology delivers much clearer road information to drivers than the DIP LED + PC designs
  • Excellent optical performance — Chainzone’s Speed Limit Signs achieve the highest optical performance of EN12966 standard: L3 / L3(*) / L3(T), R3, C2, B1–B7

Durable and Weather-Resistant Construction

  • Outstanding water-proof performance: IP56 and IP65
  • Lighter and anti-rust properties — all Speed Limit Sign housings are made of aluminum, with stainless steel optional

Smart Speed Detection Function

  • Integrated radar system — speed can be detected by radar installed inside or outside the housing.

Specification

ModelSLS-844x634SLS-950x656SLS-1050x656SLS-1080x787SLS-600ASLS-600BSLS-800ASLS-800B
Housing Size (WxHxD) (mm)844x634x100950x656x1001050x656x1001080x787x100600x600x100800x800x100
Ring Diameter (R) (mm)288x288375x375468.75x468.75675x675843.75x843.75675x675
Pitch Size16mm16mm20mm16mm12mm16mm
Display White / Amber Characters with Red Ring (Can be Customized)
Enclosure MaterialAluminum
Enclosure SurfacePowder Coated, Matte Black (Other Colors Available)
LED TypeSMD LEDs with Optical Lens
Power Supply90 ~ 260VAC (50/60Hz), 12/24 VDC
Optical PerformanceEN12966 (L3 / L3(*) / L3(T), R3, C2, B6)
Communication RS232 / RS485 / Ethernet Via RJ45 / GPRS / 3G / 4G / 5G / Optic Fiber
ProtocolNTCIP 1203 / MODBUS / JetfileII / Profibus
Control ModeI/O Control (Dry Contact optional) / Protocol Control
Working Temperature T1 (-15℃ ~ +60℃ ), T2 (-25℃ ~ +55℃ ), T3 (-40℃ ~ +40℃ )
Ingress Protection ClassIP56, IP65, IP66
ModelSLS-900ASLS-900BSLS-1000ASLS-1000BSLS-1050ASLS-1050BSLS-1360ASLS-1360BSLS-D540SLS-D670SLS-D880SLS-D1160
Housing Size (WxHxD) (mm)900x900x1001000x1000x1001050x1050x1001360x1360x180Φ540x213Φ670x213Φ880x213Φ1160x213
Ring Diameter (R) (mm)72079090012004555807901030
Pitch Size20mm20mm20mm20mm12mm12mm20mm20mm
Display White / Amber Characters with Red Ring (Can be Customized)
Enclosure MaterialAluminum
Enclosure SurfacePowder Coated, Matte Black (Other Colors Available)
LED TypeSMD LEDs with Optical Lens
Power Supply90 ~ 260VAC (50/60Hz), 12/24 VDC
Optical PerformanceEN12966 (L3 / L3(*) / L3(T), R3, C2, B6)
Communication RS232 / RS485 / Ethernet Via RJ45 / GPRS / 3G / 4G / 5G / Optic Fiber
ProtocolNTCIP 1203 / MODBUS / JetfileII / Profibus
Control Mode I/O Control (Dry Contact optional) / Protocol Control
Working Temperature T1 (-15℃ ~ +60℃ ), T2 (-25℃ ~ +55℃ ), T3 (-40℃ ~ +40℃ )
Ingress Protection ClassIP56, IP65, IP66

FIND MORE INFORMATION

View Speed Limit Sign Product Brochure

View Full Intelligent Traffic Product Brochure

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