BA Series Terminal Blocks
Quick-mount terminal blocks for mounting on
35-mm-wide DIN rails. Current capacities
from 16A to 400V (600V).
Snaps on to 35-mm-wide DIN rails.
Wide range of current capacities from 16A to 400A. Insulation
voltage is 600V.
No end plates are required.
3-pole units, fuse blocks with blown fuse indicators available.
Large capacity types (BA811S, BA911S) can be mounted
directly to panels.
Material: PPE (black)
Complies with JIS C 2811.
UL recognized and CSA certified. (BA111T, BA211T, BA311T,
BA411S, BAF111SU, BAF111SNU)
Certification Organization/
Applicable Standards Mark
File No.
UL recognized
UL1059
File No. E78117
CSA 22.2 No. 158 CSA (File No. LR64803)
Quick-mount Unlatch No end plates
General Ratings
required
Dielectric Strength 2500V AC, 1 minute
Snap on Remove
Insulation Resistance 100M minimum
Operating Tempera ture 25 to +55C (no freezing)
Storage Temperature 25 to 70C (no freezing)
Operating Humidity 45 to 85% RH (no condensation)
Push Pull
Terminal Blocks
UL/CSA JIS Tightening
Terminal Package
Style Part No. Ordering No. Torque
Voltage/ Wire Size Voltage/ Wire Size
Screw Quantity
2
(Nm)
Current (AWG) Current (mm )
2
1.25 mm
BA111T BA111TPN20 300V/15A 22-14 600V/16A M3 0.6 to 1.0 20
2
(2 mm )
2
3-pole Self-Lifting 2 mm
BA211T BA211TPN20 300V/20A 22-12 600V/21A M3.5 1.0 to 1.3 20
2
(3.5 mm )
2
BA311T BA311TPN20 150V/30A 18-10 600V/40A 5.5 mm M4 1.4 to 2.0 20
2
BA411S BA411SPN50 600V/40A 16-6 600V/70A 14 mm M5 2.6 to 3.7 50
Self-Lifting
2
BA611S BA611SPN10 600V/94A 22 mm M6 3.9 to 5.4 10
2
BA711S BA711SPN06 600V/132A 38 mm M8 10 to 13.5 6
2
BA811S BA811SPN06 600V/240A 100 mm M10 21 to 28 6
2
Large Capacity
200 mm
2
BA911S BA911SPN06 600V/370A (200 mm 2 wires) M12 38 to 49 6
2
(325 mm 1 wire)
1-pole
2
Fuse BAF111S- BAF111S-PN20 600V/10A 5.5 mm M4 1.4 to 2.0 20
2
Fuse with Lamp BAF111SN- BAF111SN-PN20 600V/10A 5.5 mm M4 1.4 to 2.0 20
2
Without Fuse BAF111SU BAF111SUPN20 600V/10A 18-10 600V/10A 5.5 mm M4 1.4 to 2.0 20
WIthout Fuse/
2
BAF111SNU BAF111SNUPN20 600V/10A 18-10 600V/10A 5.5 mm M4 1.4 to 2.0 20
With Lamp
With Disconnecting
2
BAT20 BAT20PN20 600V/20A 5.5 mm M4 1.4 to 2.0 20
Switch
1. Specify fuse ratings 1A, 3A, or 5A in place of in the Part No.
2. The wire size in ( ) does not comply with JIS standards.
3. The voltage/current differ according to operating conditions. See Selecting Terminal Blocks by Current According to JIS Standards on page4.
4. Use a socket wrench or screwdriver for tightening screws.
: Order when a marking strip or
Accessories ( Necessary) Material
a dust cover is needed.
Parts Name Material
Surface
: Used for surface mounting
DIN End Marking Dust Connecting Connecting
Mounting
Housing Polyamide
: Dust cover with fuse holder
Rail Clip Strip Cover Rod Nut
Clip
Brass (nickel-
Part No.
Bus Bar
plated)
BA111T, BA411S, BAT20, BA211T,
Terminal Steel (zinc chrome-
BA611S, BA711S, BA311T
Screw plated)
BA811S, BA911S
BAF111S, BAF111SN, BAF111SU,
BAF111SNU
28BA Series Terminal Blocks
Standards UL/CSA JIS
M3
BA111T (3 Pole) 16A
Insulation Voltage 300V 600V
Terminal Cover
7.9 7.9 15A max. 16A
Rated Current 2
36
6.7 M3 Terminal Screws
Dielectric Strength 2,500V AC, 1 minute
Insulation Resistance 100 M minimum
2
22-14 1.25 mm
3.2 min. Wire Size 1
2
AWG (2 mm )
6.6 max.
9.5 mm (BNM7, BNM9,
Marking Strip Width
5 max. 3.3 min.
BNM725)
Dust Cover BNC220
41.5 25 Rail BAP1000, BAA1000
See page 31
Weight: Approx. 18.8g
Standards UL/CSA JIS
21A M3.5
BA211T (3 Pole)
Insulation Voltage 300V 600V
Terminal Cover 9.8
9.8
Rated Current 2 20A max. 21A
8.5 M3.5 Terminal Screws
36
Dielectric Strength 2,500V AC, 1 minute
Insulation Resistance 100 M minimum
3.6 min. 2
22-12 2 mm
Wire Size 1
2
8.4 max.
AWG (3.5 mm )
5 max. 4 min.
9.5 mm (BNM7, BNM9,
Marking Strip Width
BNM725)
Dust Cover BNC220
30.5
41.5
Rail BAP1000, BAA1000
See page 31
Weight: Approx. 25.3g
40A M4 Standards UL/CSA JIS
BA311T (3 Pole)
Insulation Voltage 150V 600V
Terminal Cover 11 11
9.6 M4 Terminal Screws
38
30A max. 40A
Rated Current 2
Dielectric Strength 2,500V AC, 1 minute
4.2 min.
Insulation Resistance 100 M minimum
9.4 max.
18-10
2
6 max. 4.5 min. 5.5 mm
Wire Size 1
AWG
9.5 mm (BNM7, BNM9,
Marking Strip Width
BNM725)
34.5
42 Dust Cover BNC230
Rail BAP1000, BAA1000
Weight: Approx. 40.0g See page 31
M5 Terminal Cover Standards UL/CSA JIS
BA411S 70A
47.5 13 M5 Terminal Screws
Insulation Voltage 600V 600V
40A max. 70A
Rated Current 2
Dielectric Strength 2,500V AC, 1 minute
5.2 min.
Insulation Resistance 100 M minimum
12.8 max. 2
16-6 AWG 14 mm
Wire Size 1
6.5 max. 4.5 min.
9.5 mm (BNM7, BNM9,
Marking Strip Width
BNM725)
Dust Cover BNC320
Rail BAP1000, BAA1000
45 16
See page 31
Weight: Approx. 23.4g
M6 Insulation Voltage 600V
BA611S 94A 22 65
Dust Cover
94A max.
Rated Current 2
17
Dielectric Strength 2,500V AC, 1 minute
6.2 min. Insulation Resistance 100 M minimum
2
Wire Size 22 mm
16.8 max.
9.5 mm (BNM7, BNM9,
Marking Strip Width
8.5 max. 6 min.
BNM725)
Dust Cover BNC520
63 Rail BAP1000, BAA1000
Weight: Approx. 53.0g
See page 31
Socket wrench: 12.7 mm square drive hexagonal socket 10 3
M8 Insulation Voltage 600V
BA711S 132A
32 0.5 65
132A max.
23 Rated Current 2
Dust Cover
Dielectric Strength 2,500V AC, 1 minute
Insulation Resistance 100 M minimum
8.5 min.
2
Wire Size 38 mm
22.8 max.
Marking Strip
9.5 mm (BNM7, BNM9,
Width BNM725)
11 max. 8 min.
Dust Cover BNC520
Rail BAP1000, BAA1000
Weight: Approx. 103.3g
See page 31
Socket wrench: 12.7 mm square drive hexagonal socket 13 3
1: The wire size in ( ) does not comply with JIS standards.
2: The voltage/current differ according to operating conditions. See Selecting Terminal Blocks by Current According to JIS Standards on page4.
3: Screws can be tightened with a socket wrench.
4: The grooves on the head of the hex bolt are for temporary tightening. For proper tightening, use an applicable socket wrench and tighten within the range of
the recommended tightening torque.
29
2-M8
26.5
When using BAA 37.5
1.2
Hexaganol Bolt 23.4 2-M6
When using BAA 32
When using BAA 33.5 1.8
1.8
When using BAA 32
Hexagonal Bolt
1.8
4
4
4
4
2
16.5
When using
BAA/BAP: 43.5
2
19.3 16.5
28.5
16.9
When using
28.5
34
BAA/BAP: 51.5
30
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