CITEL M50-277Y-B
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 751511.
₹24,050 per piece, ex-GST
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Delivery 5–6 weeks from order · minimum order 1 piece · GST tax invoice · pan-India dispatch
Ex-GST · delivered to serviceable PIN codes · remote/ODA freight quoted separately · price valid 30 days
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; -B = alternate connection variant of M50-277Y-A.
Range position: Connection variant of M50-277Y-A.
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 | 751511 |
| 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 | Back 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
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| 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 |