We are closed from Monday, Dec 23rd and will reopen on Monday, Jan 6th. Any orders received during this time will be processed in the New Year.
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Get it by Friday, Dec 27
£19.99 Flat Shipping + VAT £19.99 flat shipping is applicable on orders with an aggregate weight less than 10kg. Orders exceeding 10kg will be charged default shipping rates
Payment Methods
Delivery Partners
Step 1 Add the items into your cart or submit a Purchase order
Step 2 Checkout, select NET30 payment (provide company registration and VAT number)
Step 3 Delivery via TNT or Royal Mail and receive invoice for payment in 30-days
Step 4 Make payment via BACS to our factoring partner,
| Ansi Code | S51 |
| Bulb Base Type | Mogul Screw (E39) |
| Bulb Beam Angle | 360° |
| Bulb Dia. | 2 1/4" |
| Bulb Finish | Clear |
| Bulb Minimum Starting Temperature | -40°F |
| Bulb Operating Temp. Range | -40°F to 250°F |
| Bulb Shape | Ed18 |
| Bulb Type | Standard |
| Bulb Ul Type | No Ul Type |
| Color Temp. | 2100 K |
| For Enclosed Fixtures | Yes |
| Indoor/outdoor | Yes |
| Light Distribution | Omnidirectional |
| Lighting Technology | High Pressure Sodium |
| Lumens | 50000 lm |
| Overall Bulb Base Type | Mogul |
| Overall Bulb Shape | Ed |
| Overall Length | 9 3/4" |
| Rated Life | 40000 hrs. |
| Shatter-resistant | No |
| Trade Number | C400S51/2 |
| Wattage | 400 W |
| Ship weight (kg) | 0.2 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
| Product | Model | Item | Price | |
|---|---|---|---|---|
 |
C50S68/M | Bulb | £34.49 | |
 |
C70S62/M | Bulb | £28.80 | |
|
C100S54/M | Hid Bulb | £29.24 | |
 |
C400S51/ALTO NC HPS | Hid Bulb | £37.76 | |
 |
C400S51/ALTO | Hid Bulb | £31.81 | |
 |
C150S55/ALTO | Hid Bulb | £27.84 | |
 |
C1000S52/ALTO | Hid Bulb | £84.98 |
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.
Trade pricing is available for 
Order Value should be £500+