SERIOUSLY SAFE LIGHTS™

Block Mini Harsh Series

SKU BLM HS

Description:

The Block Mini Harsh Series is a compact, NEMA 4X-rated LED luminaire built for harsh industrial environments. With corrosion-resistant housing, flexible optics, and reliable thermal performance up to 149°F, it offers easy installation, long life, and energy efficiency—backed by Red Sky Lighting’s 10-year warranty.

Electrical Parameters

Power (W)

21W, 40W, 50W, 60W

VOLTAGE(V)

21/40/60W: 120-277V AC
50W: 347-480V AC

Frequency

50/60Hz

Power Factor

≥0.90

THD

<20%

L70

21/40/50W: 219,000 hrs@149°F
60W: 127,000 hrs@147°F

Dimming

0-10V, Range 10-100%

Surge Protection

21/40W: 2KV 50/60W: 6KV

Warranty

LEDs: 10 Years,Driver: 7 Years
Optical Parameters

Lumen Output

4,025Lm, 6,199Lm, 6,848Lm, 8,121Lm

Lumen Efficacy

155Lm/W

Available Beam Angle

T2/T3/T5

Correlated Color Temperature (CCT)

3000K/4000K/5000K

Color Rendering Index (CRI)

80 CRI
Mechanical Parameters

Hardware

Stainless steel 316

Lens Material

Tempered Glass or Polycarbonate

Mounting Options

Pendant, Yoke, Ceiling, Stanchion, Wall

Product Weight

21W: 10.5lbs/4.8kg
40W: 10.8lbs/4.9kg
50/60W: 11.7lbs/5.3kg

Cable Entry

(1) 3/4″ NPT w/3’ 18/6 Leads (L/N/G,Dim+/Dim-/12V)

Product Dimensions(L×W×H)

9.7×8.3×5.1in (245×210×129mm)
Environmental Parameters

Ambient Operating Temperature

21/40/50W: -40°C~+65°C(-40°F~+149°F)
60W: 64°C(147°F)

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