Schneider Electric B400 4 Bolt On Rainproof Hub for R Devices Installation Guide

: June 12, 2024
: Schneider Electric

Table of Contents

Models
Series A and A-L
Series B Hubs
Series H Hubs
References
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Schneider Electric B400 4 Bolt On Rainproof Hub for R Devices Installation Guide

Models

Series A and A-L

Series A Hubs

Equipment with provisions for A Hubs:
- Individual Meter Sockets, Class 4131
- Horizontal Ganged Meter Sockets, Class 4121
- Combination Service Entrance Devices, Class 4119/4120
Bolt-on hub supplied with four 12–24 x 3/4 inch slotted hex-washer head screws.

Conduit Size| Closing Plate| 1 in.| 1¼ in.| 1½ in.| 2 in.| 2½ in.
---|---|---|---|---|---|---
Catalog Number| ACP| A100| A125| A150| A200| A250

Dimension

Hub Mounting Dimensions

Hub Catalog Number	Conduit Size in.	“A”	“B”
in.	m/m	in.	mm
A100	1	0.94	24
A125	1¼	1.00	25
A150	1½	1.25	32
A200	2	1.50	38
A250	2½	1.69	43

Series A-L Hubs

Equipment with provisions for A-L Hubs:
Individual Meter Sockets, Class 4131
Horizontal Ganged Meter Sockets, Class 4121
Combination Service Entrance Devices, Class 4119/4120
Bolt-on hub supplied with four 1/4–20 x 1/2 inch slotted screws.
Adapter plate required to allow use of “A” hubs on “A-L” size hub openings: catalog number AAP.

Conduit Size| Closing Plate| 2 in.| 2½ in.| 3 in.| 4 in.
---|---|---|---|---|---
Catalog Number| ACPL| A200L| A250L| A300L| A400L

A-L Hub Mounting Dimensions

**Hub Catalog Number| Conduit Size| “A”| “B”| “C”
---|---|---|---|---
in.| in.| mm| in.| mm| in.| mm**
A200L| 2| 1.94| 49| 0.94| 24| 4.63| 118
A250L| 2–1/2| 2.00| 51| 0.88| 22| 4.63| 118
A300L| 3| 2.13| 54| 0.63| 16| 5.00| 127
A400L| 4| 2.50| 64| 0.50| 13| 5.00| 127

Series B Hubs

Equipment with provisions for B hubs (NEMA Type 3R) with “RB suffix” in catalog number:
- QO load centers, Class 1130
- HomeLine load centers, Class 1170
- Combination service entrance devices, Class 4119/4120
- General duty safety switches (30–200 A), Class 3130
- Heavy duty safety switches (30–200 A), Class 3110
- Double throw switches (30–200 A), Class 3140
- Circuit breaker enclosures, Class 610
B hub provisions are available on NEMA Type 3R devices only with “RB suffix” in catalog number.
Devices with B hub provisions are supplied with closing cap, catalog number BCAP. To mount B hub, discard BCAP and mount hub with screws from closing cap.
B300, B400 hubs are supplied with gaskets for devices with “R suffix” in catalog number.
Typical hub adjustment for RB devices.
Off-center conduit thread openings eliminate costly conduit offsets and bends.

Standard Mounting

Reverse Mounting

Hub Size	Mounting Surface to C/L of Hub Opening
Dimension A	Dimension B
Minimum	Maximum
in.	mm
3/4, 1–1/4 in..	1.13
1–1/2 in.	1.25
2 in.	1.50
2–1/2 in.	1.75

B300

B400

Hub Size

| Hub Catalog Number| Mounting Dimensions
---|---|---
A| B| C
in.| mm| in.| mm| in.| mm
3 in.| B300| 4.13| 105| 4.13| 105| 2.63| 67
4 in.| B400| 4.13| 105| 4.13| 105| –| –

Parts

Conduit Size| Closing Cap| ¾ in.| 1 in.| 1–1/4 in.| 1–1/2 in.| 2 in.| 2–1/2 in.| 3 in.| 4 in.
---|---|---|---|---|---|---|---|---|---
Catalog Number| B-CAP| B075| B100| B125| B150| B200| B250| B3001| B400
NOTE: Closing cap (catalog number B-CAP) is provided factory installed on each device having “RB” suffix. NOTE: Hubs, thru size 2–1/2 in.can be directly installed on “RB” devices. Devices requiring 3 in.or larger, hubs must have holes cut in the field.

Series H Hubs

Equipment used on:
- Heavy duty safety switches (NEMA Type 4, 4X, 5, and 12), Class 3110
- Circuit Breaker Enclosures, (NEMA Type 4, 4X, 5, and 12) Class 610
Watertight conduit hub, with gasket and insulated throat.
Threaded opening for conduit.
For use with NEMA Type 4, 4X, and 5 Stainless Steel and NEMA type 12 switch and circuit breaker enclosures.

Conduit Size| ½ in.| ¾ in.| 1 in.| 1–1/4 in.| 1–1/2 in.| 2 in.| 2–1/2 in.| 3 in.| 3–1/2 in.| 4 in.
---|---|---|---|---|---|---|---|---|---|---
in.| mm| in.| mm| in.| mm| in.| mm| in.| mm| in.| mm| in.| mm| in.| mm| in.| mm| n.| mm
Mount- ing Hole “J”| Min.| 0.859| 22| 1.075| 27| 1.328| 34| 1.687| 43| 1.859| 47| 2.391| 61| 2.891| 73| 3.516| 89| 4.015| 102| 4.516| 115
Max.| 0.922| 23| 1.125| 29| 1.406| 36| 1.766| 45| 2.015| 51| 2.547| 65| 3.047| 77| 3.672| 93| 4.175| 106| 4.672| 119
Outside Diameter “B”| 1.203| 31| 1.625| 41| 1.891| 48| 2.312| 59| 2.625| 67| 3.156| 80| 3.703| 94| 4.312| 110| 4.813| 122| 5.312| 135
Standard- Zinc Hub Catalog Number| H050| H075| H100| –| –| H200| –| H300| H350| H400
Chrome Plated Hub Catalog Number| H050CP| H075CP| H100CP| –| H150CP| H200CP| –| –| –| –

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As standards, specifications, and design change from time to time, please ask for confirmation of the information given in this publication.
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