S-3 Curtis Industries, S-3 Datasheet - Page 52

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S-3

Manufacturer Part Number
S-3
Description
TERM BLOCK HI CURRENT 3PS 4/0AWG
Manufacturer
Curtis Industries
Series
Sr
Datasheet

Specifications of S-3

Terminal Block Type
Barrier Block
Number Of Circuits
3
Number Of Positions
6
Pitch
2.420" (61.47mm)
Number Of Rows
2
Current
225A
Voltage
600V
Wire Gauge
4/0 AWG
Mounting Type
Chassis Mount or Panel Mount
Top Termination
Screws
Bottom Termination
Closed
Barrier Type
2 Wall (Dual)
Features
Flange
Color
-
Operating Temperature
150°C
Material - Insulation
Phenol Formaldehyde (Phenolic)
Material Flammability Rating
UL94 V-1
Lead Free Status / Rohs Status
Lead free / RoHS Compliant

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50
Types L, O & S
www .curtisind .com
L
terminal bar and
1/4" round-head
screw, max. lug
width – 27/32"
Terminal Variations
TYPE L
TYPE O
TYPE S
O
terminal bar and
5/16" slotted hex-
headscrew, max.
lug width – 3/4"
S
terminal bar and
3/8" slotted hex-
headscrew, max.
lug width – 1"
NOTE: Lugs are not
Curtis Industries
L – 1 .16" (29 .46mm), O – 1 .86" (47 .24mm),
funished with blocks
mm dim. are shown
in parentheses
A Division of Powers Holdings, Inc.
Features:
• Heavy Load Termination Flexibility – Designed for
• Readily Adaptable to Special Applications – Can be used
• Combined Style Design Capability – All types can be
• Ratings and Wire Sizes to Match High Current Needs
• Recognition and Listing – UL recognized and CSA certified
TERMINAL DESIGNATIONS
L
O
S
Types L, O & S Terminal Dimensions
1.500
(38.1)
machine, switchboard and other heavy load terminations .
for branch circuit termination with simple modification of
standard terminal plate .
combined with each other as well as with Types H and BT .
combined with each other as well as with Types H and BT .
combined with each other as well as with Types H and BT
– Type L is rated at 100A/600V, UL recognized for wire up
to No . 1AWG . Type O is rated 125A/600, UL recognized
for wire up to No . 1/0AWG . Type S is rated 225A/600V, UL
recognized for wire up to No . 4/0AWG . (Note: UL requires
the use of UL recognized lugs .)
Nickel-plated brass terminal bar with 1/4" – 20 plated
round-head steel screws . Accepts wire up to No . 1AWG .
Nickel-plated brass terminal bar with 5/16" – 18 plated
slotted hex-head steel screws . Accepts wire up to No .
1/0AWG .
Nickel-plated brass terminal bar with 3/8" plated hex-head
steel screws . Accepts wire up to No . 4/0AWG .
Recognized under the Components Program of
Underwriters Laboratories, Inc. Standard 1059,
Guide No. XCFR2, File No. E62557.
Guide No. 184-N-90, Report No. LR39186-1.
1/4 – 20
(21.43)
.842
L
5/16 – 18
(19.05)
.750
O
O.D.
M.D.
3/8 – 16
(25.4)
1.00
S
NOTE: Lugs are not
Specifications subject to change.
(5.53) x (9.52)
.218 x .375 Lg. Mtg. Holes
Dimensions are shown for
funished with blocks
mm dim. are shown
in parentheses
reference purposes only .
(63.5)
2.500
(47.62)
1.875
(38.1)
1.500
1/
(2

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