- Type 1/2 SPD - Imax 150kA per phase - In 20kA - NEMA Enclosure

MDS300E-277Y
Part Number: 890621
MDS300E-277Y
  • Surge Capacity to 300kA 8/20us Total
  • Lightning Capacity to 15kA 10/350us per phase
  • UL1449 Nominal Discharge Current (In) 20kA (All models)
  • UL1449 Short-circuit Current Rating (SCCR) 200kA (All models)
  • UL96A Master Label Compliant
  • Standard Diagnostics - % of protection present, audible, remote, test/mute
  • Replaceable Modular Design for SPD and Filter (if applicable)
  • Optional Listing as Type 2 Listed with UL1283 and cUL
  • NEMA 4/12 (Stainless Steel NEMA 4X optional)
  • Internal Mount Option "MDS BP KIT" available for Switchgear, Switchboards and Panelboards



POWER SPD TYPE
UL1449 TYPE 1/2 LISTED
VOLTS
(V) 480/277
AC/DC/DC PV/RF
AC
PHASE
(PH) 3Y
AMPS
(A) n/a
AMBIENT MIN
(C) -35
AMBIENT MAX
(C) +85
MODES
L-L, L-N, L-G, N-G
VPR
(V) 2500/1800/1800/1200
MCOV
(V) 840/420/420/275
IN
15 impulses 8/20µs
(kA) 20
SCCR
(kA) 200
IMAX
8/20µs
(kA) 150
TECHNOLOGY
Multi-TMOV
NETWORK CONFIGURATION
3PH, 4W+G, Wye
CONNECTION METHOD
Screw Terminal (4-10AWG)
MOUNTING
FLANGE MOUNT
MATERIAL
Steel
NEMA RATING (IP RATING)
3R/4/12
FAIL-SAFE BEHAVIOR
Yes, no upstream over current protection required
REAL-TIME DIAGNOSTICS
% of protection present LED, audible alarm and remote contacts. Optional surge counter.
DIMENSIONS
See diagram (mm)
WEIGHT
10 lbs
UL STANDARD
UL1449 5th Edition, UL1283
UL CATEGORY
VZCA, VZCA7, FOKY, FOKY7
UL FILE NUMBER
E326289, E467909
ANSI/IEEE C62.41
Category C 20kV/10kA
ENVIRONMENTAL STANDARDS
ROHS