Eaton RT2SSO150SA1H RoundTech MSSO luminaire - IP44

Part Number: RT2SSO150SA1H
Eaton Crouse-Hinds logo
Manufacturer
Eaton Crouse-Hinds
Part number
RT2SSO150SA1H
Category

Quick Summary

RoundTech MSSO luminaire delivers reliable surface emergency lighting for escape routes and open areas. Engineers and procurement professionals often face compact, compliant units that fit ceiling surfaces while meeting rigorous safety specs. This model carries CE certification, IP44 protection, and IK04 impact rating, with a 1-hour autonomy to ensure safe operation during outages. Its compact round housing supports easy installation, while LED efficiency and a 230 V AC supply help reduce energy use and maintenance costs for facility managers. In short, this solution aligns with open-area and corridor lighting needs, offering dependable performance with straightforward commissioning.

Product Information

Extended Description

RT2SSO150SA1H Eaton Crouse-Hinds: Eaton Roundtech Medium Surface Safety Open SA 150 NM 1H IP44
Product Name
Eaton RoundTech MSSO surface emergency luminaire
Catalog Number
RT2SSO150SA1H
Product Length/Depth
138 mm
Product Height
48 mm
Product Width
138 mm
Product Weight
0.273 kg
Certifications
CE
EAN
3660191814267
Model Code
RTECH MS SO SA 150 NM 1H IP44
Battery voltage
3.2 V
Battery quality
Lithium-ions
Glow wire test
850 °C
Permissible ambient temperature - min
5 °C
Permissible ambient temperature - max
45 °C
Protection class
II
Outdoor use compliance
False
Explosion protected
False
Diameter
138 mm
Degree of protection
IP44
Mode
Non-Maintained (NM)
Lamp type
LED not exchangeable
With light source
True
Lamp holder
None
Type of indicator
Not applicable
Monitoring equipment
None
Power supply system
Peripheral (individual battery)
Voltage type
AC
Apparent Power At Mains Operation
0.4 VA
Power factor
.45
Wiring system
Standby switching
With remote switch connection
False
Reserve-polarity protected
False
Conductor cross section
2.5
Connection type
Plug-in connection
Max. system power
0.2 W
Rated life time L70/B10 at 25 °C
60600 hour
Rated life time L80/B10 at 25 °C
60600 hour
Rated life time L90/B10 at 25 °C
60600 hour
Type of control gear
Not required
Nominal voltage AC - max
230 V
Nominal voltage AC - min
230 V
Nominal operation time - min
1 hour
Nominal operation time - max
1 hour
Autonomy
1h
Mounting Method
Ceiling surface mounting
Material housing
Plastic
Color housing
White
Material cover
Plastic, transparent
Limited surface temperature
False
Number Of Poles (Numeric)
2
Impact strength
IK04
Kind of luminaire
Safety luminaire for escape route and open area lighting
Rated Luminous Flux Acc. IEC 62722-2-1
150 lm
Color temperature - max
5700 K
Color temperature - min
5700 K
Light distributor
Focal lens
Energy efficiency class of the built-in lamp
A++, A+, A (LED)
Function
Escape route lighting
Color of light
White
Color rendering index (CRI)
70
Number of lighting heads
1
Suitable for number of lamps
1
Frequency
50/60Hz
Number of LEDs
4
Shape
Round
Application
Other
Testing system
No testing system
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Feature → High-lumen LED output delivering 150 lm at 5700 K. Business Impact → Provides rapid, uniform visibility along escape routes, improving safety while reducing energy use compared with legacy luminaires. Application → Ideal for corridors and open-area lighting in offices, retail spaces, and educational facilities. Paragraph 2: Feature → Battery and autonomy: A lithium-ion battery (3.2 V) provides 1 hour of autonomous operation, powered by a peripheral (individual) battery with 230 V AC input. Business Impact → Ensures critical escape-route lighting remains illuminated during mains failure, supporting safety compliance and occupant protection. Application → Suitable for facilities requiring reliable outage lighting in hallways, stairs, and open spaces. Paragraph 3: Feature → Energy efficiency and power management: Apparent power 0.4 VA, power factor 0.45, and maximum system power of 0.2 W. Business Impact → Reduces operating costs and heat load, enabling scalable deployment across large areas. Application → Office corridors, retail aisles, and educational campuses where continuous illumination is needed with minimal energy draw. Paragraph 4: Feature → Robust construction and mounting: IP44 protection, IK04 impact rating, round surface-mount housing, and ceiling installation. Business Impact → Withstands daily use and reduces maintenance cycles, improving total cost of ownership. Application → Indoor environments like corridors, stairwells, and large open areas where reliability matters. Paragraph 5: Feature → Extended service life: LED source is not replaceable; rated life 60,600 hours (L70/B10 at 25 °C). Business Impact → Lower maintenance intensity and predictable lifecycle budgeting. Application → Facilities planning for long-term performance in critical safety zones.

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FAQs

Yes. The unit is designed for ceiling surface mounting and uses a plug-in connection. It supports 230 V AC input with a 2.5 mm² conductor cross section. Installation dimensions are compact (diameter 138 mm, height 48 mm) and the fixture weighs 0.273 kg, enabling straightforward retrofits or new installations with minimal trenching or enclosure work.
The luminaire provides 150 lm of cool-white light at 5700 K. It operates in non-maintained mode with 1 hour autonomy and a 230 V AC supply. Electrical characteristics include an apparent power of 0.4 VA, a power factor of 0.45, and a maximum system power of 0.2 W, making it energy-efficient for continuous or emergency use.
Yes. RT2SSO150SA1H is purpose-built for escape route and open-area lighting in indoor environments. Its non-maintained operation, 1-hour autonomy, and IP44 protection ensure visibility during outages, while the compact form factor fits ceilings in offices, retail, and educational facilities without compromising space or aesthetics.
The luminaire carries CE certification and IP44 protection, with an IK04 impact rating for robust indoor use. These certifications validate safety, reliability, and suitability for indoor occupancy spaces in accordance with common safety and electrical standards.
With a rated life of 60,600 hours (L70/B10 at 25 °C) and LED longevity, maintenance cycles are infrequent, reducing operational downtime and labor costs. The non-exchangeable LED and compact wiring simplify service planning, contributing to predictable lifecycle budgeting and lower total cost of ownership in facilities with high safety lighting demands.