Joslyn Hi-Voltage 1261-45, 1261-85 Data Sheet

SURGE PROTECTIVE DEVICES

Surgitron® I 1261-45

1261-85

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.

• Suitable for use on types TN-C, TNS, TN-C-S, and TT neutral

grounding schemes.

• Cover lights indicate status of modules.

Model Number kA Per Phase Voltage Configuration

1261-45 120kA 230V 1-Phase, 2-Wire + Ground 1261-85 120kA 230V 1-Phase, 2-Wire + Ground

Warranty

5-years

Available Options

Surge Counter Add sufﬁx -S

Dry Relay Contacts come standard with 1261-85 model only

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 15.4 lbs (7 kg) Enclosure Type NEMA 12 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

1261-45 120kA 230V L-N 320 1000V L-G 320 1000V N-G 320 1000V 1261-85 120kA 230V L-N 320 1000V L-G 320 1000V N-G 320 1000V

UL 1449 3rd Edition

DIMENSIONAL SPECIFICATIONS

Dim Inches (mm)

H1 10.75 (273.05)

H2 11.5 (292.1)

W1 8.9 (226.06)

W2 6.0 (152.4)

D 4.2 (106.68)

W2 W1

Thomas & Betts Corporation