SURGE PROTECTIVE DEVICES
Surgitron® I 1456-85-L
HEAVY DUTY SERVICE ENTRANCE APPLICATIONS
MODULAR DESIGN
FEATURE S AND BENEFITS
• Listed by ETL to UL 1449 3rd Edition for a Type 1 SPD application.
• Matrix of individually fused Metal Oxide Varistors (MOVs) housed
in replaceable modules.
• Cover lights indicate status of modules.
Model Number kA Per Phase Voltage Configuration
1456-85-L 240kA 480/277V 3-Phase Wye, 4-Wire + Ground
Warranty
5-years
Available Options
Surge Counter Add suffix -S
Stainless Steel NEMA 4X enclosure Add suffix -4X
Stand Alone Option
Remote Monitor 1260-97
PRODUCT SPECIFICATIONSAVAILABLE CONFIGUR ATIONS
Electrical
Nominal Discharge Current Rating (I-n) 20kA
Operating Frequency 50–60Hz
Connection Methods Parallel to load (shunt)
Lugs #14–#2
Directly connect or through 60A (min) breaker
Modes of Protection L-N, L-G, N-G
Fault Rating (SCCR) 100kAIC
Response Time Less than 1 nanosecond (one per phase)
Standard Monitoring LED status indicator lights (one per phase)
Mechanical
Weight 33.7 lbs. (15 kg)
Enclosure Type NEMA 4, 4X
Installation Location Indoor/Outdoor
Mounting Method Dual mounting flanges
Operating Environment -40° to +185°F (-40° to +85°C)
Altitude Up to 16,400 ft. (5000 m)
Product Design Individually fused MOVs
Overcurrent fusing
Regulatory
UL 1449 3rd Edition Type Type 1
UL 1283 No
IEEE C62.41.1, .2, C62.45 Yes
Listed By ETL
SURGITRON I PE RFORMANC E DATA
Model Number kA Per Phase Voltage Configuration Protection Modes MCOV
6kV 3000A VPR
1456-85-L 240kA 480/277V L-N 320 1000V
L-G 320 1000V
N-G 320 900V
UL 1449 3rd Edition
DIMENSIONAL SPECIFICATIONS
Dim Inches (mm)
H1 14.75 (374.7)
H2
H1
H2 15.5 (393.7)
W1 12.9 (327.7)
W2 10 (254)
D 6.2 (157.5)
D
W2
W1
© 2014 Thomas & Betts Corporation. All rights reserved. Printed in the U.S.A.
10/22/14
Thomas & Betts Corporation