Description
The CB-250IP is a bronze C-clamp with a 2.50 in opening and an isolated point, designed for use on rail cars and marine vessels. Ground cables are fastened to the body of the clamp using snug-fit, vibration-dampening fasteners. It is available on its own or with an STS grounding cable, and it is a clamp option for the STS 300 Ground Monitoring System.
Where it is used
STS lists the CB-250IP for railcars, tanker trucks and barges. For related applications, see rail car fill stations and marine terminals.
Specifications
| Part number | CB-250IP |
| Body | Bronze |
| Type | C-clamp with isolated point |
| Jaw opening | 2.5 in |
| Cable attachment | Snug-fit, vibration-dampening fasteners |
| Used in | Railcars, tanker trucks, barges |
With an STS 300
On the STS 300, the clamp is part of the monitored ground path. The system shows a green light when a proper ground is made and a red light if the ground is interrupted, and its dry contacts interlock pumps and valves. The STS 300 installation manual also lists a CB-250IP stowage hook (RK-22) as a replacement part.
Compatible products
- STS 300 Ground Monitoring System
- Coil Cable and Straight Cable
- Other clamps for railcars and tankers: K78160A, K78160ASRS, G40 Bronze Clamp
- StaticMag for drums and totes
FAQ
What does “IP” mean in CB-250IP?
STS describes the CB-250IP as a bronze C-clamp, 2.50 in opening, with isolated point.
Can I order it with a cable?
Yes. Choose no cable or one of the STS coil or straight cable options when ordering.
Can the CB-250IP be specified on a new STS 300?
Yes. It is one of the clamp options for the STS 300. Request a quote to confirm the catalog number for your configuration.
Specifying a complete system? Build your catalog number with the ordering guide or request a quote.






