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OEM Control Components
8WA Terminal Blocks8WA Terminal Blocks

8WA Terminal Blocks
November 2006
What is a Terminal Block?
Introduction

8WA Terminal Blocks
November 2006
Trick Question: Are These Terminal Blocks?
Introduction

8WA Terminal Blocks
November 2006
Trick Question: Are These Terminal Blocks?
SIMIREL
Introduction

8WA Terminal Blocks
November 2006
Trick Question: Are Any of These Terminal
Blocks?
C
A B
D
C
Yes, but …
Introduction

8WA Terminal Blocks
November 2006
StrengthStrength WeaknessWeakness
•Weidmuller Market Leader worldwide and Range Offers no Circuit
Breaker in Europe Breaker Terminals.
Specialist with extensive range Many Terminal Blocks Not
Strong in machinery enclosed on both Sides
Phoenix Market Leader in Germany Terminal blocks not
Contact Specialist with complete range enclosed on both sides.
Entrelec Terminal Specialist with broad Terminal blocks not
enclosed range enclosed on both sides.
Broad Product Lines
Allen Bradley Strong Brand Recognition Not focused on small
Loyal Customers Products
Main Competitor Strengths & Weaknesses
Market Data

8WA Terminal Blocks
November 2006
StrengthStrength WeaknessWeakness
Square D Strong Brand Recognition Limited Offering
Loyal Customers
WAGO Innovator in Cage Clamp Design No Screw Connection Line
Terminal blocks not
enclosed on both sides
Main Competitor Strengths & Weaknesses
Market Data

8WA Terminal Blocks
November 2006
Product Offering
Special TerminalsStandard Terminals Special TerminalsStandard Terminals
8WA2 Spring Loaded Connection8WA1 Screw Connection
8WA Terminal Blocks
8WA_e020.ppt/12.97
• Through-type
terminals
• Ground
terminals (PE)
• N isolating
terminals
• Insta terminals
• Two-tier
terminals/
Diode terminals
• Isolating
measuring
terminals
• Fuse terminals
• Circuit-breaker
terminals
• Insta terminals
• Two-tier
terminals/
Diode terminals
• Initiator-
Actuator
Terminals
• Through-type
terminals
• Ground
terminals (PE)
• N isolating
terminals
Siemens Data

8WA Terminal Blocks
November 2006
Terminal Block Clamping Types
…by means of springs, wedges, eccentrics,
or cones.
Spring Loaded
A terminal for the connection and subsequent disconnection of
a conductor … the connection being made directly or indirectly,
…by means of screws or nuts of any kind
Screw
a.k.a. Screw Clamp, Compression Clamp, Box
Lug
a.k.a. Cage Clamp™, Spring, Spring-Clamp,
Spring Clip, Tension Clamp
Selection

8WA Terminal Blocks
November 2006
Siemens Terminal Block Shipments
by Type
88%
5%
4% 2%1%
Through Type
Ground & Ground
Neutral
Two-tier
Fuse
All Other
Shipment Period: October 1, 2000 through June 30, 2004
Siemens Data

8WA Terminal Blocks
November 2006
Through-Type Terminals
(a.k.a. Feed-Through)
Wire Entry Wire Entry
Common
Conduction
Path
Wire Clamping Points
Selection

8WA Terminal Blocks
November 2006
Two-Tier Terminals
Wire Entry
Wire EntryWire Entry
Wire Entry
Common
Conduction
Path
Wire Clamping Points
(a.k.a. Feed-through, Multi-Circuit, Multi-Level)
Selection

8WA Terminal Blocks
November 2006
Ground (PE) Terminals
(For Connection to a DIN Rail)
Wire Entry
Ground
Path
DIN Rail
Metal Clamping
Mechanism
Selection

8WA Terminal Blocks
November 2006
Fuse Terminal Block
Fuse Holder
Working
Fuse
Wire Entry Wire Entry
Spare
Fuse
Selection

8WA Terminal Blocks
November 2006
Siemens Through-type Terminal Block Shipments
by Color
76%
8%
6%
5%
3%1%1%0%
Beige
Blue
Red
Light Gray
Black
Green/Yellow
Orange
Green
Siemens Data

8WA Terminal Blocks
November 2006
Siemens Terminal Block Color Offering
Color / TerminalColor / Terminal
SizeSize
8WA18WA1 8WA28WA2
Beige 1.5 – 240 Not Available
Black 2.5, 4, 6 Not Available
Blue 2.5 – 70 2.5 - 16
Green 2.5 Not Available
Green / Yellow 2.5, 4, 6 Not Available
Light Gray Not Available 2.5 - 16
Orange 2.5, 4 Not Available
Red 2.5, 4 2.5, 4
Yellow 2.5 Not Available
Through-type Terminals
NEW
Selection

8WA Terminal Blocks
November 2006
Competitive Terminal Block Series
ManufacturerManufacturer Screw ConnectionScrew Connection Spring LoadedSpring Loaded
ConnectionConnection
Siemens 8WA1 8WA2
Entrelec M Series D Series
Allen-Bradley 1492-J, 1493-W 1492-L
Phoenix Contact UK Series ST Series
Square D AB1VV AB1RR
WAGO No Offering 280 to 284 Series
Weidmueller W Series Z Series
WARNING! Competitive data found in this presentation is based on the product line series
identified in this slide.
Competitive

8WA Terminal Blocks
November 2006
TerminalTerminal
ColorColor
SiemensSiemens EntrelecEntrelec Allen-Allen-
BradleyBradley
PhoenixPhoenix
ContactContact
SquareSquare
DD
WAGWAG
OO
WeidmuelleWeidmuelle
rr
Terminal SizeTerminal Size
Beige 2.5 –
240
2.5 – 95 - - - N -
Beige,
Dark
- - - - - O 2.5 –
120/150
Black 2.5, 4, 6 4 2.5 - 35 - 4 - -
Blue 2.5 - 70 2.5 – 95 2.5 – 70 1.5 -
240
2.5 - 150 O 2.5 –
120/150
Brown - 4 2.5 - 35 - - F -
Gray - 2.5 – 95 2.5 – 70 1.5 -
240
2.5 - 150 F -
Gray,
Light
- - - - - E -
Green 2.5 4 2.5 - 35 - 4 R 70/95 –
120/150
Green/Y
ellow
2.5, 4, 6 - - 150, 240 - I -
Orange 2.5, 4 2.5, 4, 6 2.5 - 35 2.5, 4, 6 N 2.5, 4, 6
Competitive Terminal Block Color Offering
Screw Connection, Through-type
Competitive

8WA Terminal Blocks
November 2006
TerminalTerminal
ColorColor
BradleyBradley
PhoenixPhoenix
ContactContact
SquareSquare
DD
WAGWAG
OO
rr
Terminal SizeTerminal Size
Beige - - - - - - -
Beige,
Dark
- - - - - - 1.5 - 35
Black - 2.5 1.5 – 35 1.5, 2.5,
4
- 2.5, 4 -
Blue 2.5 - 16 2.5 – 35 1.5 - 35 1.5 - 35 2.5, 4 2.5 -
95
1.5 - 35
Brown - - 1.5 – 35 - - - -
Gray - 4 – 35 1.5 – 35 1.5 – 35 2.5, 4 1.5 –
95
-
Gray,
Light
2.5 - 16 - - - - - -
Green - 2.5 1.5 – 35 - - 2.5 –
35
-
Orange - 2.5 – 10 1.5 – 35 1.5, 2.5,
4
- 2.5 –
16
2.5, 4, 6
Red 2.5, 4 2.5 1.5 - 35 1.5, 2.5, - 2.5, 4 -
Competitive Terminal Block Color Offering
Spring Loaded Connection, Through-type
Competitive

8WA Terminal Blocks
November 2006
Siemens Terminal Block Shipments
by Terminal Size
2%
30%
52%
7%
3%
6% 0%
1.5
2.5
4
6
16
35
10, 70, 95,
150 & 240
Siemens Data

8WA Terminal Blocks
November 2006
Terminal Size
Terminal Size 4
Conductor Insulation
Conductor
Conductor Area =
4 mm2
The Maximum Diameter of Round Copper Conductor Which The
Terminal is Designed For According to ISO Wire Metric Sizes.
Example:
Metric ISO (mm2) AWG (kcmil) Metric (mm2
)
4 12 3.3
Selection

8WA Terminal Blocks
November 2006
Standard Cross-Sections of Round Copper
Conductors
Equivalent
ISO Equivalent Metric Area
(mm2
) AWG / kcmil (mm2
)

30 AWG 0.049
28 0.080
26 0.126
0.2 24 0.205
0.34 22 0.324
0.5 20 0.519
0.75 18 0.82
1
1.5 16 1.3
2.5 14 2.1
4 12 3.3
6 10 5.3
10 8 8.4
16 6 13.3
25 4 21.2
35 2 33.6
1 42.4
50 0 53.5
70 00 67.4
95 000 85
0000 107.2
120 250 kcmil 127
150 300 152
Selection
Terminal Block Sizes

8WA Terminal Blocks
November 2006
Siemens Terminal Size Offerings (Through-
type)
Terminal SizeTerminal Size 8WA1 Screw8WA1 Screw
ConnectionConnection
8WA2 Spring8WA2 Spring
Loaded ConnectionLoaded Connection
1.5 X -
2.5 X X
4 X X
6 X X
10 - X
16 X X
35 X -
70 X -
95 X -
150 X -
240 X -X = Available
Selection

8WA Terminal Blocks
November 2006
Competitive Terminal Size Offering
TerminalTerminal
SizeSize
BradleyBradley
PhoenixPhoenix
ContactContact
SquareSquare
DD
WAGWAG
OO
rr
1.5 X - - X - N -
2.5 X X X X X O X
4 X X X X X - X
6 X X X X X O X
10 X X X X F X
16 X X X X X F X
35 X X X X X E X
50 - - X X - R -
70 X X X - X I -
70/95 - - - - - N X
95 X X - X - G -
120/150 - - - - - - X
150 X - - X X - -
240 X - - X - - -
X = Available
SCREW CONNECTION, Through-type
Competitive

8WA Terminal Blocks
November 2006
Competitive Terminal Size Offering
TerminalTerminal
SizeSize
BradleyBradley
PhoenixPhoenix
ContactContact
SquareSquare
DD
WAGWAG
OO
rr
1.5 - X X X - X X
2.5 X X X X X X X
4 X X X X X X X
6 X X X X - X X
10 X X X X - X X
16 X X X X - X X
35 - X X X - X X
95 - - - - - X -
X = Available
SPRING LOADED CONNECTION, Through-type
Competitive

8WA Terminal Blocks
November 2006
Mounting Rail Types: 35 mm
Standard Rail Types
 35 x 7.5 x 1 mm
 35 x 15 x 1.5 mm
Typical Materials
 Steel
 Stainless Steel
 Aluminum
Siemens 8WA Terminal
Blocks use These Rails
Selection

8WA Terminal Blocks
November 2006
Mounting Rail Types: Other
32 mm15 mm
Cannot be used with Siemens 8WA Terminal Blocks
Selection

8WA Terminal Blocks
November 2006
Third Party Certifications
CertifyingCertifying
BodyBody
IEC /IEC /
CECE
UL / URUL / UR CSACSA EEx e IIEEx e II
Siemens X X X -
Entrelec X X X -
Allen-
Bradley
X X X X
Phoenix
Contact
X Screw: X
Spring: 1.5 - 6
Screw: X
Spring: No
-
Square D X X X -
WAGO X X X -
Weidmuelle
r
X X X -
Selection

8WA Terminal Blocks
November 2006
Siemens Terminal Size Ratings
Screw Connection, Through-type, Terminal Size 4
AgencyAgency
IEC UR CSA
RatedRated
CurrentCurrent
32 A 35 A 40 A
InsulationInsulation
VoltageVoltage
RatingRating
800 V 600V 600V
Wire RangeWire Range Solid: 0.5-6 mm2
Finely Stranded 0.5-4
mm2
18 – 10
AWG
18 – 10
AWG
8WA1011-1DG11*
*Screw Connection, Through-type, Terminal Size 4
Selection

8WA Terminal Blocks
November 2006
Competitive Terminal Size Rating Example
Screw Connection, Through-type, Terminal Size 4
AgencyAgency SpecificationSpecification
ManufacturerManufacturer
SiemensSiemens
Allen-Allen-
BradleyBradley EntrelecEntrelec
PhoenixPhoenix
ContactContact Square DSquare D WAGOWAGO WeidmuellerWeidmueller
IEC
Rated
Current 32 A 32 A 32 A 34 A 32 A N/A 32 A
Rated
Voltage 800 V 800 V 800 V 750 V 800 V N/A 800 V
Wire Range
[a] 0.5 - 4 mm2
4 mm2
0.22 - 4
mm2
4 mm2
0.5 - 4 mm2
N/A 1.5 - 6 mm2
UR
Rated
Rated
Wire Range
[a]
18 - 10
AWG
22 - 10
AWG
24 - 10
AWG
22 - 12
AWG
22 - 10
AWG N/A 22 - 10 AWG
CSA
Rated
Rated
Wire Range
[a]
18 - 10
AWG
22 - 10
AWG
24 - 10
AWG
22 - 12
AWG
22 - 10
AWG N/A 26 - 10 AWG
[a] Wire Range for Stranded Wire
Competitive

8WA Terminal Blocks
November 2006
Another Trick Question
Does the Color of a terminal block affect it’s Ratings?
NO!
Catalog No.Catalog No.
8WA10118WA1011
ColorColor
-1DG11 Beige
-1BG11 Blue
-1BG21 Red
-1BG22 Orange
-1BG24 Black
-1PG11 Green/Yellow
*Screw Connection, Through-type, Terminal Size 4
ExampleSelection

8WA Terminal Blocks
November 2006
Terminal Block Density
Terminal Block Density is based on the Width of the Terminal
Block over a Linear Measurement. The Linear
Measurement is usually expressed in the number of pieces
per foot or meter.
Example: 8WA1011-1DG11 is 6.5 mm Wide. How many
terminal blocks can we get into A) one foot and B) one
meter.
1 inch = 25.4 mm; 12 inches = 304.8 mm
Terminals per Foot = 304.8 / 6.5 = 46.89 = 46
1 meter = 1000 mm
Terminals per Meter = 1000 / 6.5 = 153.85 = 153
Selection

8WA Terminal Blocks
November 2006
Typical Connecting System: Link Rail
Link for lower tier
Bridge for links
Link for upper tier
Disconnecting
link
Assembly

8WA Terminal Blocks
November 2006
Typical Connecting System: Link Rail (Busbar)
1
2
3
Assembly

8WA Terminal Blocks
November 2006
Typical Connecting System: Plug-in Bridge
Plug-in Bridges
Test Plugs
Assembly

8WA Terminal Blocks
November 2006
Terminal Block Connecting Systems
ManufacturerManufacturer Terminal ConnectionTerminal Connection Inter-Connection TypeInter-Connection Type
ScrewScrew SpringSpring
LoadedLoaded
Link RailLink Rail Link RailLink Rail
(Busar)(Busar)
Plug-inPlug-in
BridgeBridge
Siemens X - X - -
- X - X -
ABB /
Entrelec
X - X - -
- X - - X
Allen-Bradley X - - - X
- X - - X
Phoenix
Contact
X - X - -
- X - - X
Square D X - X - -
X X
WAGO - - - - -
- X - - X
Weidmueller X - X - X
- X - - X
X = Available
Competitive

8WA Terminal Blocks
November 2006
8WA1: Siemens Accessories, Screw Connection
End plate
Tab connector,
split
Small partition
Test socket
Cover with warning arrow
Link for lower tier
Bridge for links
Link for upper tier
Disconnecting
link
Barrier
Tab connector, split
15/29
Assembly

8WA Terminal Blocks
November 2006
8WA: Features
 Symmetrical (Through-types)
 Insulated On Both Sides
 Meets or Exceeds the Requirements of NEMA, UL, CSA,
IEC, VDE and Other International Standards
 UL Recognized, CSA Certified, IEC Certificate of
Compliance
 Captive Terminal Screws
 Self-Rising Pressure Plate Terminals
 Through-Type Terminals are Symmetrical
 Environmentally Acceptable Materials. E.g. Cadmium-
Free, Silicon-Free
 The size of each terminal block corresponds to the
maximum diameter of wire the terminal block will accept.
Siemens Data

8WA Terminal Blocks
November 2006
8WA: Features
 Multi-Circuit Terminals I.E. Two-tier Through-type
 Finger Touch Safe
 Earthquake Resistant
 Flame-Retardant & Self-Extinguishing
 Designed for Solid, Stranded and Finely Stranded
Conductors, With or Without End Sleeves
 Cross-Connection System
 Shipped with Terminal Clamp Screws Backed Out
 Wire Ranges from 28 AWG through 500 MCM
Siemens Data

8WA Terminal Blocks
November 2006
8WA1: All About
 A Quick Guide for the
Uninformed or Forgetful
 Available on SiteScape
 Includes
Design
Product Range
Offering and Their Use
 Prime Features
Accessories and Their Use
Selected Selection Criteria
for Through-Type Terminals.
Resources

8WA Terminal Blocks
November 2006
Resources – Terminal Blocks on SiteScape
•Literature Availability
•Siemens Terminal Block Comparison; 8WA1 vs. 8WA2
•Presentations
•Certificates of Conformity
Terminal Blocks - GeneralTerminal Blocks - General
Resources

8WA Terminal Blocks
November 2006
Resources: Siemens SieLect
Resources

8WA Terminal Blocks
November 2006
Typical User Profile (Preliminary)
 Prefers IEC DIN Style Terminal Blocks
 Predominantly Uses 35 mm Rail Mounting
 Prefers One Marking Label that Fits All Terminal
Sizes
 Doesn’t Use Many Marking Label Options
 Prefers to Purchase the Exact Number Needed
for the Job instead of Standard Packs
 Wants Minimal Inventory Investment
Market Data

8WA Terminal Blocks
November 2006
Target Markets:
1. OEM Machinery
2. Control Panel Builders
3. Automotive
Target Sales Channel:
1. Distributors
2. Direct OEM
3. System Integrators
Where are the Terminal Block Opportunities?
Market Data

8WA Terminal Blocks
November 2006


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