CITEL M50-277Y-A
UL Type 1 panel-mount surge protector, 277/480 V Wye
UL 1449 Type 1 panel-mount SPD, 277/480 V Wye, In 20 kA, Imax 50 kA per mode. CITEL P/N 751501.
Price on request
On request · minimum order 1 piece · GST tax invoice · pan-India dispatch
CITEL North America range (UL listed). Exact origin for each part is stated on the product marking and your GST tax invoice.
Vasundhara Performance Solutions Pvt Ltd · incorporated 2016 · CIN U74999TG2016PTC112235 · GSTIN 36AAFCV6218F1ZB · D-U-N-S 860399487 · Udyam MSME registered · authorised CITEL distributor · Shipping · Returns & refunds
Panel-mount hard-wired AC surge protector, 277/480V 3-phase Wye, 4W+G (M50 series); UL1449 Type 1 & Type 2, 50kA surge rating, aluminium cast NEMA enclosure, LED fault indicator + audible alarm, no leakage current; -A = side connection variant.
Range position: Connection variant of M50-277Y-B.
About the M50 range
Hybrid MOV-GSG Technology UL1449 Type 1 LISTED 50kA Surge Current Rating per mode Extended life with no leakage current Visual LED fault indicator and audible alarm NEMA 6 (exceeds NEMA 4X or 4) 10-Year warranty.
Specifications
| CITEL part number | 751501 |
| SPD type | UL 1449 Type 1 Listed |
| Network | 277/480 V, 3-phase 4-wire + ground (Wye) |
| MCOV (L-L / L-N / L-G / N-G) | 560 / 320 / 320 / 280 V |
| VPR (L-L / L-N / L-G / N-G) | 2500 / 1200 / 1500 / 1200 V |
| In — nominal discharge current | 20 kA |
| Imax — max discharge current | 50 kA |
| SCCR | 150 kA |
| Protection modes | L-L, L-N, L-G, N-G |
| Technology | MOV-GSG |
| Mounting | Side mount, threaded m22 (1/2" npt adapter) |
| Enclosure | NEMA 6 (IP66) |
| Diagnostics | LED and audible alarm |
| Standards | UL1449 5th Edition (UL file E326289) |
Specifications as published by CITEL on citel.us. Confirm against the datasheet for your application.
See the full CITEL Type 1 SPDs range → · All CITEL parts with prices
Similar CITEL parts
Other parts from the same family (AC power — Type 1+2 (lightning current)), closest in voltage first.
| Part | What it is | Uc | Price ex-GST | Dispatch |
|---|---|---|---|---|
| DAC1-13-11-320 | Type 1+2 AC surge protector single-phase | 320 Vac | ₹7,480 | 5–6 weeks |
| DAC1-13-20-320 | Type 1+2 AC surge protector single-phase | 320 Vac | On request | On request |
| DAC1-13-31-320 | Type 1+2 AC surge protector - 3-phase+N | 320 Vac | On request | On request |
| DAC1-13-40-320 | Type 1+2 AC surge protector - 3-phase+N | 320 Vac | On request | On request |