Cut Sheet

A-29
1-800-435-0705 CUSTOMER ASSISTANCE WWW.IDEALINDUSTRIES.COM
TerminaL BLoCKs
LR25557 E63810
200 Series Terminal Blocks
Nylon Heavy Duty
Thiscompactdesign,heavy-dutyline
acceptssinglewireorcombinationsup
to4AWG,solidorstranded;600V
• 138circuitsper6footlength
• Two-wayflat-basemodelssurfacemount
 directlytothepanelorsnap-onminiaturechannel;dovetail
 basemodelsmountonstandardchannel
• Sectionssnap-fitwithPhenolicHeavyDuty,Intermediate 
 HeavyDutyandFuseblocks
Specifications
Center-to-Center Spacing: .50 in. CL: 24 circuits per foot.
WIRE RANGE: Solid or Stranded
Strap Screw – 1 #22 to 1 #10 AWG
Tubular Screw – 1 #4 AWG, 1 #6 AWG, 1 or 2 #8 AWG, 1 to 4 #10 AWG,
1 to 5 #12 AWG, 1 to 6 #14 AWG, 1 to 6 #16 AWG, 1 to 8 #18 AWG
Tubular Clamp – 1 #6 AWG, 1 or 2 #8 AWG, 1 to 3 #10 AWG, 1 to 4 #12 AWG,
1 to 4 #14 AWG, 1 to 6 #16 AWG, 1 to 8 #18 AWG
Catalog
Number
Mounting Style Ampacity Contact Type Screw Type
Wire Range
(AWG)
Wire Strip
Length
Material
241 Unpainted Direct Mount (Flat Base)
35A Strap Screw 10-32 Slotted Binding Head #22 to #10 —
Nylon
0241 Painted Channel Mount (Dovetail Base)
242 Unpainted Direct Mount (Flat Base)
85A Tubular Screw 1/4-28 Slotted Headless #18 to #4 1/2 in.
0242 Painted Channel Mount (Dovetail Base)
243 Unpainted Direct Mount (Flat Base)
65A Tubular Clamp 1/4-28 Slotted Headless #18 to #6 1/2 in.
0243 Painted Channel Mount (Dovetail Base)
250 — End-Section (Direct Mount) — — — — —
0250 — End Section (Channel Mount) — — — — —
221 Painted Direct Mount (Flat Base)
35A Strap Screw 10-32 Slotted Binding Head #22 to #10 —
Phenolic
0221 Painted Channel Mount (Dovetail Base)
222 Painted Direct Mount (Flat Base)
85A Tubular Screw 1/4-28 Slotted Headless #18 to #4 1/2 in.
0222 Painted Channel Mount (Dovetail Base)
223 Painted Direct Mount (Flat Base)
65A Tubular Clamp 1/4-28 Slotted Headless #18 to #6 1/2 in.
0223 Painted Channel Mount (Dovetail Base)
230 — End-Section (Direct Mount) — — — — —
0230 — End-Section (Channel Mount) — — — — —
Nylon Heavy Duty Phenolic Heavy Duty
Housing Material Nylon, Type 6/6 unfilled Phenolic, Filled, Flame retardant
Contact Material Copper / Copper Alloy Copper / Copper Alloy
Screw Material Steel Plated Steel Plated
Maximum Service Temperature 125°C (257°F) 150°C (302°F)
Breakdown Voltage AC, 60 Hz 7000V 7000V
Dielectric Strength (RH40% at sea level) 470-385 V/mil thickness (per ASTM D149) 300V/mil thickness (per ASTM D149)
UL High Voltage Arc Testing (in./min.) 0.1 - .35 .49 - .59
Water Absorption (24 hrs. % weight gain)
1.5% 45% (per ASTM D570)
Flammability 94V-2 (per UL94) 94V-1 (per UL94)
Chemical Resistance
Resistant to aromatic hydrocarbons, strong alkalies Resistant to acids, alkalies, aliphatic hydrocarbons and ketones (per ASTM D5343)
Radiation Resistance (ergs g
1
C) 8 X 10
7
2 X 10
8
min.
Phenolic Heavy Duty
Phenolicheavydutyblocksareidealfor
hightemperature,highcurrent
applications.
• Sturdyblockacceptssinglewireor
 combinationsupto4AWGsolidor
 stranded
• 122circuitsper6footlength
• Sectionssnap-fitwithNylonHeavyDuty,Intermediate
 HeavyDutyandFuseBlocks
Specifications
Center-to-Center Spacing: .56 in. CL: 20 circuits per foot.
WIRE RANGE: Solid or Stranded
Strap Screw – 1 #18 to 1 #8 AWG
Tubular Screw – 1 #4 AWG, 1 #6 AWG, 1 or 2 #8 AWG, 1 to 4 #10 AWG,
1 to 5 #12 AWG, 1 to 6 #14 AWG, 1 or 6 #16 AWG, 1 to 8 #18 AWG
Tubular Clamp – 1 #6 AWG, 1 or 2 #8 AWG, 1 to 3 #10 AWG, 1 to 4 #12 AWG,
1 to 4 #14 AWG, 1 to 6 #16 AWG, 1 to 8 #18 AWG
Voltage Rating: Blocks meet 600V creepage and clearance requirements of NEMA, UL and CSA for general industrial control equipment and
panelboards. Withstands voltages greatly in excess of IEEE switchgear standards for 750V.
• Threecontactstylesconservativelyratedto35Ato85A
• Onlyoneendsectionneededperblockassembly
• Readilyidentifiablecircuits–markdirectlyonpaintedmarkingsurfaceoruseremovablemarkingstrip