Fast Track to a Quote
Certification | Testing
Factory CertifiedRefund guarantee
24h refund guaranteeSecure Payment
PayPal Verified
Belimo Actuator FSAF120-S
Payment Methods

Need a Same-Day Quote?
Need help confirming model compatibility?
100% Original
Genuine OEM PartsFast Delivery
Shipped via FedEx / DHL / UPS12-Month Warranty
Worry-Free CoverageSecure Packaging
Safe & Reliable5,000+ Global Suppliers
Trusted by Professionals
Professional Model-Matching System
Send us your model numbers or nameplate details.
We will match your request with our 5,000+ verified suppliers and issue a quotation.
Popular Compatible Models
Cross-Reference Brands
Fire and Smoke
Actuator Type
Spring Return
Fail-Safe
Spring
Minimum Torque
15 N m133 lb in
Control Type
On/Off
Control Input
On/Off
Running Time (Motor)
75 seconds constant, independent of load
Running Time (Spring)
< 20 seconds
Auxiliary Switch
2 x SPST, 2.5 A inductive at 120/250 V. One fixed at 10degrees. One adjustable 30degrees to 90degrees
Power Supply
120 VAC +/-10%, 50/60 Hz
Power Consumption
Run 9.5W 11VA .1A, Hold 3.5W 6VA .05A
Transformer Sizing
0 V A
Electrical Connection
3 ft, 18 GA, 4 leads appliance cable
Overload Protection
Electronic throughout 0degrees to 95degrees rotation
Shaft Diameter
Rnd 1/2inch to 1.05inch Sq 1/2inch
Angle of Rotation
95degrees (Limiter available.)
Direction of Rotation (Fail-Safe)
reversible with CW/CCW mounting
Position Indication
Visual (0degrees is spring return position)
Manual Override
3 mm hex crank
Humidity
5 to 95% RH non-condensing
Ambient Temperature
-22 to +122 degreesF-30 to +50 degreesC
Ambient Temperature (safety for 1/2 hour)
250 degreesF121 degreesC
Storage Temperature
-40 to +176 degreesF-40 to +80 degreesC
Noise Level
Inaudible holding, running < 45 dB (A) spring < 62 dB (A)
Housing
NEMA type 1/IP40 (with flex conduit)
Why Global Buyers Choose O&Kmarts
- Access to a wide range of SKUs across multiple brands and series
- One RFQ connects you to 5,000+ global supplier quotes
- Better availability for urgent and hard-to-find parts
- Faster global delivery via FedEx / DHL / UPS
- Easier access to rare and high-value models
- Flexible sourcing for individual parts or complete solutions
- Lower MOQs and more adaptable buying options
- Multi-brand procurement in one order
- OEM replacement and alternative model solutions available
- Fewer intermediaries, ensuring more competitive pricing
Why Global Buyers Choose O&Kmarts
- Limited to fast-moving SKUs only
- Limited local market availability
- Inventory frequently fails to meet urgent demand
- Long replenishment cycles, often taking weeks
- Rarely stock high-value compressors (e.g. Copeland YHV119)
- Frequently require bundled purchases
- Rigid and difficult MOQ negotiations
- Limited brand selection
- Minimal or no customization capability
- Higher local distribution and markup costs
Top Questions from OKmarts Buyers
Q: What express logistics options are available for urgent "Factory-Down" emergency repairs?
A: We partner with premier global express couriers, including DHL, FedEx, and UPS, to provide expedited international air freight. Urgent orders are processed with priority handling at our warehouses to ensure the shortest possible transit time to your facility.
Q: Can OKmarts issue formalized, compliant proforma invoices and commercial invoices tailored for corporate accounting?
A: Absolutely. Our automated billing system generates itemized Proforma Invoices (PI) and Commercial Invoices containing corporate tax IDs, purchase order (PO) numbers, and explicit company details necessary to satisfy international corporate accounting and auditing standards.
Q: What is your policy if an industrial part arrives physically damaged due to improper courier handling?
A: Buyers must inspect the outer packaging and internal items immediately upon delivery. If physical damage is discovered, document the condition with photos/videos and submit a claim to OKmarts within 48 hours of receipt so we can file an immediate report with the carrier and fast-track a replacement shipment.
Related Products
Q&A
Q: What payment methods are accepted?
A: We accept various payment methods, including credit cards, debit cards, PayPal, and other secure online payment options. You can choose your preferred payment method during checkout.
Q: How can I find out about upcoming sales or new product releases?
A: To stay informed about upcoming sales and new product releases, you can subscribe to our newsletter or follow us on social media platforms. We regularly share updates, promotional offers, and exclusive discounts with our subscribers and followers.
Q: How can I change my email address associated with my account?
A: To change the email address associated with your account, please contact our customer service team and provide them with the necessary verification information. They will assist you in updating your email address.







