Littelfuse Industrial Shock Block SB5000 Series, Manual, Page: 19 / 21

SB5000 Industrial Shock Block
Page 15
Rev. 1-B-101821
Enclosure Cover Fasteners:
Torque ............................. 20 lbf
·
in (2.26 N
·
m)
PWB Conformal Coating ......... MIL-1-46058 qualified
UL QMJU2 recognized
Ground-Check Circuit:
Open-Circuit Voltage.......... 21 Vdc
Nominal Loop Current
(Zener termination) ............. 30 mA
Maximum Loop Current ..... 40 mA
Induced-ac Withstand ......... 10 Vac
GC-Loop Trip Resistance ... 38 ± 5 Ω
GC-Loop Reset Resistance . 28 Ω
Trip Status Contact:
Contact Configuration ........ Normally Open (N.O.)
UL Rating ........................... 1 A Resistive, 24 Vac;
1 A Resistive, 24 Vdc
Security:
Enclosure ............................ Lockable latch
Short-Circuit Current
Rating
...................................... 10 kA,
Test Information ....................... Tested with Littelfuse K5
input fuses installed. K5
fuses have a short-circuit
current rating of 50 kA
Fuse Requirements:
Input Fuses (not included):
Fuse Rating ...................... 60 A, 600 Vac, Class K5
or RK5
Fuse Part Number ............ Littelfuse 0NLS060.T or
FLSR060.T
Enclosure .................................. NEMA 4X, IP69K
Polycarbonate,
Lockable
Dimensions:
Height ................................. 285.7 mm (11.2 in.)
Width .................................. 244.3 mm (9.6 in.)
Depth .................................. 119.6 mm (4.7 in.)
Shipping Weight:
All Models ............................. 4.5 kg (10 lb)
Environment:
Operating Temperature:
UL Rating ...........................-35 to 66°C (-31 to 151°F)
Operating Range .............. -35 to 75°C (-31 to
167°F)
Maximum Internal Temp
Limit: .................................. 90°C (194°F)
Minimum Internal Temp
Limit: .................................. -40°C (-40°F)
Temperature derating ............See Fig. 11
Storage Temperature .............-55 to 80°C (-67 to 176°F)
Humidity ................................93% Non-Condensing
Altitude ..................................2,000 m (6,562 ft)
maximum
Certification:
All Models .......................... UL1998
GFCI:
Enclosed:
Class A .......................... UL 943 listed
Class C .......................... UL 943C listed
Class D .......................... UL 943C listed
EGFPD:
Enclosed ........................... UL 943/UL 1053 listed
To: UL 943 Ground-Fault Circuit-Interrupters
UL 943C Special Purpose Ground-Fault Circuit-
Interrupters
UL 1053 Ground Fault Sensing and Relaying
Equipment
UL 1998 Software in Programmable Components
NOTES:
(1)
IEC 60947-1 Annex A defines several utilization
categories. AC-1 refers to non-inductive or slightly
inductive loads. AC-3 refers to squirrel-cage motors.
(2)
UL 943 and UL 943C does not apply to 50-Hz
installations.