sales@liftingsafety.co.uk
+44 (0)1977 684 600
- Home/
- Lifting Equipment/
- Screwjacks, Linear Actuators, Rotary Unions and ACME Ball Screws and Nuts/
- Duff Norton Linear Actuators/
- "SPB 500lb Series" Linear Actuator

"SPB 500lb Series" Linear Actuator
Heavy duty linear actuator with option for weather resistant sealant.
Model:
SPB 500lb Series / SLA-4061




SPB 500lb Series Linear Actuator
Features and Benefits
- Heavy duty design for long life in tough applications.
- Patented Spring type brake.
- Aluminium housing and outer tube.
- Steel translating tube - zinc chromate plated.
- Double clevis mounting.
- Load limiting friction disc clutch.
- Automatic reset thermal overload motor protection.
Options
- Capacitor - Standard on 220 VAC 50 hz model.
- Weather Resistant Sealant - IP52.
- Bellows Boot.
- Thread End.
SPB 500lb Series Wire Diagram

SPB 500lb Series Dimensional Diagram

SPB 500lb Series Linear Actuator Specifications
Part Number | Rated Load | Stroke Length | Retracted Length | Voltage | Current Draw at Rated Load (A) | Speed at Rated Load | Clutch | High Speed Motor | Capacitor | Duty Cycle at Rated Load | Weight lbs (N) | ||||||
lbs | N | in | mm | in | mm | in/s | mm/s | in/h | mm/h | lbs | N | ||||||
SPB6405-3 | 500 | 2,224 | 3 | 76.2 | 10 | 254.0 | 115 Vac (60 Hz) |
2.1 | 0.6 | 14.7 | Yes | No | SK6405-7-1 (28-33 MFD) | 500 | 12,700 | 10 | 44.4 |
SPB6405-6 | 6 | 152.4 | 13 | 330.2 | 12 | 53.3 | |||||||||||
SPB6405-12 | 12 | 304.8 | 19 | 482.6 | 14 | 62.2 | |||||||||||
SPB6405-18 | 18 | 457.2 | 25 | 635.0 | 17 | 75.6 | |||||||||||
SPB7405-3 | 500 | 2,224 | 3 | 76.2 | 10 | 254.0 | 220 Vac (50 Hz) |
1 | 0.5 | 12.9 | Yes | No | SK6405-7-10 (28-33 MFD) | 440 | 11,176 | 10 | 44.4 |
SPB7405-6 | 6 | 152.4 | 13 | 330.2 | 12 | 53.3 | |||||||||||
SPB7405-12 | 12 | 304.8 | 19 | 482.6 | 14 | 62.2 | |||||||||||
SPB7405-18 | 18 | 457.2 | 25 | 635.0 | 17 | 75.6 | |||||||||||
HSPB6405-3 | 500 | 2,224 | 3 | 76.2 | 10 | 254.0 | 115 Vac (60 Hz) |
5.5 | 1.3 | 33.0 | Yes | Yes | SK6405-7-3 (64-72 MFD) | 500 | 12,700 | 10 | 44.4 |
HSPB6405-6 | 6 | 152.4 | 13 | 330.2 | 12 | 53.3 | |||||||||||
HSPB6405-12 | 12 | 304.8 | 19 | 482.6 | 14 | 62.2 | |||||||||||
HSPB6405-18 | 18 | 457.2 | 25 | 635.0 | 17 | 75.6 |
SPB 500lb Series Linear Actuator
Features and Benefits
- Heavy duty design for long life in tough applications.
- Patented Spring type brake.
- Aluminium housing and outer tube.
- Steel translating tube - zinc chromate plated.
- Double clevis mounting.
- Load limiting friction disc clutch.
- Automatic reset thermal overload motor protection.
Options
- Capacitor - Standard on 220 VAC 50 hz model.
- Weather Resistant Sealant - IP52.
- Bellows Boot.
- Thread End.
SPB 500lb Series Wire Diagram

SPB 500lb Series Dimensional Diagram

SPB 500lb Series Linear Actuator Specifications
Part Number | Rated Load | Stroke Length | Retracted Length | Voltage | Current Draw at Rated Load (A) | Speed at Rated Load | Clutch | High Speed Motor | Capacitor | Duty Cycle at Rated Load | Weight lbs (N) | ||||||
lbs | N | in | mm | in | mm | in/s | mm/s | in/h | mm/h | lbs | N | ||||||
SPB6405-3 | 500 | 2,224 | 3 | 76.2 | 10 | 254.0 | 115 Vac (60 Hz) |
2.1 | 0.6 | 14.7 | Yes | No | SK6405-7-1 (28-33 MFD) | 500 | 12,700 | 10 | 44.4 |
SPB6405-6 | 6 | 152.4 | 13 | 330.2 | 12 | 53.3 | |||||||||||
SPB6405-12 | 12 | 304.8 | 19 | 482.6 | 14 | 62.2 | |||||||||||
SPB6405-18 | 18 | 457.2 | 25 | 635.0 | 17 | 75.6 | |||||||||||
SPB7405-3 | 500 | 2,224 | 3 | 76.2 | 10 | 254.0 | 220 Vac (50 Hz) |
1 | 0.5 | 12.9 | Yes | No | SK6405-7-10 (28-33 MFD) | 440 | 11,176 | 10 | 44.4 |
SPB7405-6 | 6 | 152.4 | 13 | 330.2 | 12 | 53.3 | |||||||||||
SPB7405-12 | 12 | 304.8 | 19 | 482.6 | 14 | 62.2 | |||||||||||
SPB7405-18 | 18 | 457.2 | 25 | 635.0 | 17 | 75.6 | |||||||||||
HSPB6405-3 | 500 | 2,224 | 3 | 76.2 | 10 | 254.0 | 115 Vac (60 Hz) |
5.5 | 1.3 | 33.0 | Yes | Yes | SK6405-7-3 (64-72 MFD) | 500 | 12,700 | 10 | 44.4 |
HSPB6405-6 | 6 | 152.4 | 13 | 330.2 | 12 | 53.3 | |||||||||||
HSPB6405-12 | 12 | 304.8 | 19 | 482.6 | 14 | 62.2 | |||||||||||
HSPB6405-18 | 18 | 457.2 | 25 | 635.0 | 17 | 75.6 |
Contact Us About This Product
Save this QR code
for use on Smart Phones
Contact Us About This Product
If you wish to receive a quote for this product, please use the 'Pricing' tab above, this form is for general enquiries regarding this product only.
Did you know?
You can also Request a Quote using the Buy/Quote tab above!
You can easily add more than one item to the Quote Request. This is highly recommend as we will be able to suit your needs much more efficiently.
You can also Request a Quote using the Buy/Quote tab above!
You can easily add more than one item to the Quote Request. This is highly recommend as we will be able to suit your needs much more efficiently.
Share this page!

Save this QR code
for use on Smart Phones