Post Top: Solar North – 150 Watt / 140 Ah

Part Number: M75-SPTOP-000N

Summary

The Post Top Solar Kit provides maximum solar power capability for TraffiCalm radar speed signs using a 150-watt panel and a 140 Ah AGM battery storage system. Designed for northern climates, shaded corridors, winter months, and high-duty applications, this configuration ensures continuous and resilient operation. The system includes the solar panel, controller, top-mount frame, battery enclosure, wiring, mounting brackets, and sealed electronics for dependable field performance.

Product Options

The Post Top Solar Kit – 150 W / 140 Ah is available in a single configuration under part number M75-SPTOP-000N.

Included components are supplied as outlined in the specifications.

Specifications

Physical Descriptions

• Post-top mounting solution for 4.5" OD round poles
• NEMA 3R compliant weatherproof enclosure
• Solar panel dimensions: 44.88” L × 27.76” W × 1.38” D (114 cm × 70.5 cm × 3.5 cm)
• Battery box dimensions: 35.5” H × 11” W × 8.2” D (90.17 cm × 27.94 cm × 20.83 cm)
• Total system weight: 167 lb (75.75 kg), includes four 35 Ah batteries and battery enclosure
• Electronics fully potted for moisture resistance
• Stainless steel mounting and hardware

Solar Panel Power Specs

• Maximum Power (Pmax): 150 W
• Voltage at Pmax (Vmp): 18.53 V
• Current at Pmax (Imp): 8.10 A
• Open Circuit Voltage (Voc): 21.37 V
• Short-Circuit Current (Isc): 8.5 A
• Temperature coefficient of Voc: –(80 ± 10) mV/°C
• Temperature coefficient of Isc: (0.065 ± 0.015)%/°C
• Temperature coefficient of power: –(0.5 ± 0.05)%/°C
• Maximum system voltage: 1000 VDC
• Recommended installation angle: Latitude + 15°
• Operating temperature: –40°F to +185°F (–40°C to +85°C)

Battery Specs

• Quantity: 4 AGM 35 Ah batteries
• Nominal voltage: 12 V each
• Nominal capacity at 20-hour cycle: 35 Ah
• Internal resistance: 8 milliohms
• Maximum discharge current (7 min): 105 A
• Battery dimensions: 7.72” L × 5.14” W × 6.22” H (19.61 cm × 13.06 cm × 15.8 cm)
• Approx. weight per battery: 24.7 lb
• Operating temperature:
  • Charge: –4°F to 122°F (–20°C to 50°C)
  • Discharge: –40°F to 140°F (–40°C to 60°C)

Construction

• 1/16" (1.58 mm) aluminum battery housing
• DOT green powder-coat finish
• Mechanical lock provisions with included key
• Replacement keys available
• Spun-aluminum and powder-coated steel construction
• Stainless and zinc-plated hardware

Bracket

• Wind load rating: 90 MPH (145 KPH)
• Snow load rating: 1.1 kN/m²
• Designed for pedestal-free post-top mounting
• Optional flashing beacon assembly available

Environmental

• System operating temperature: –40°F to +185°F (–40°C to +85°C)

Warranty

• 3-year limited warranty on the solar kit
• 1-year warranty on batteries
• Unlimited technical support included

Why Choose the Post Top Solar Kit – 150 W / 140 Ah?

• Highest-capacity solar input for maximum energy harvesting
• Quad-battery configuration ensures extended autonomy
• Ideal for winter, high-latitude, and intermittent-sunlight environments
• Long-life AGM battery technology
• Fully sealed electronics and hardware for weather-resistant operation
• Build America / Buy America compliant
• Manufactured in an ISO 9001:2015 certified facility
• Proven performance in demanding field deployments