Bussmann CH14B Series Catalog

14x51mm Modular Fuse Holder

Catalogue Symbol:

CH14(# of poles)B: standard fuse holder
CH141BNX: neutral fuse holder
CH14(# of poles)BN: standard fuse holder and neutral
CH14(# of poles)BI: fuse holder with neon indicator
CH14(# of poles)BNI: fuse holder with neutral and neon indicator
CH14(# of poles)BMS-F: fuse holder with microswitch
(pre-breaking/fuse operation/presence)
CH14(# of poles)BNMS-F: fuse holder with neutral and microswitch
(pre-breaking/fuse operation/presence)
CH14(# of poles)BMS: fuse holder with microswitch (fuse operation)
CH143BNMS: 3-pole and neutral with microswitch (fuse operation)
CH14(# of poles)B-PV: photovoltaic fuse holder

Description: Compact DIN-Rail mount fuse holders for
14x51mm cylindrical fuse links. Available in different versions
with fuse indicator, neutral and microswitch.
CH14B-PV models for use with solar gPV fuse links available
in 1 and 2-pole versions

Packaging: 1-pole: 6 per pack

2-pole: 3 per pack
3-pole: 2 per pack
4-pole: 1 per pack

Technical Data:

Number of Poles: 1 to 4

Rated Voltage IEC UL

CH14B Series 690Vac 750Vac

CH14B-PV Series 1500Vdc N/A

Rated Current IEC UL

CH14B Series 50A 50A

CH14B-PV Series 32A N/A

Compatible Fuse Links:

C14G and C14M 14x51mm fuse links
PV-(amp rating)A14F Photovoltaic gPV fuse links
FW ferrule fuse links, see table below

Part Number

Maximum

Continuous

Fuse Current

Part Number*

Maximum

Continuous

Fuse Current
FWH-5A14F 5A FWP-5A14F 5A
FWH-10A14F 10A FWP-10A14F 10A
FWH-15A14F 14A FWP-15A14F 14A
FWH-20A14F 18A FWP-20A14F 18A
FWH-25A14F 21A FWP-25A14F 21A
FWH-30A14F 22A FWP-30A14F 22A
FWX-5A14F 5A FWP-32A14F 27A
FWX-10A14F 10A FWP-40A14F 32A
FWX-15A14F 15A FWP-50A14F 38A
FWX-20A14F 20A
FWX-25A14F 24A
FWX-30A14F 27A

*Please contact Cooper Bussmann Application Engineers if you wish to use
a FWP fuse link with a striker option.

Standards/Certifications:

 IEC 60269-1, 60269-2, 60947-1, 60947-3
 UL4248-1 Fuse Holders, UL 486A-B Wiring Terminals
 CSA C22.2 No 4248.1 Fuse Holders, C22.2 No 65 Wiring Terminals

Rated Power Acceptance: 5W
Maximum Power Acceptance: 6W
Utilisation Category: 50A at AC-21B 690V/AC-22B 500V
Pollution Degree: 3
Protection Index: IP20
Rated Insulation Voltage: 8kV U

imp

SCCR Rating: 200kA, 33kAdc for CH14B-PV

Terminal Size: 1.5-35mm

2

/16-3 AWG solid cable, Cu only

1.5-25mm2/ 16-4 AWG stranded cable, Cu only
Service Temperature: -20oC to 70oC
Storage Temperature: -40

o

C to 80oC

Environmental

 RoHS compliant

Features

 Silver-plated copper contacts
 Engineered polymer enables greater performance with

melting temperature in excess of 300°C

 Ventilation zones optimized for a better heat dissipation
 Accessory to isolate the fuse holder via a padlock
 IP20 security accessory to improve protection
 Label holder for easy circuit identification
 PV version rated at 1500Vdc (IEC only) for use with gPV

fuse links



18-12-12 BU-SB12028 Form 14x51MFH Page 1 of 3 Data Sheet 720148

UL File: E14853

14x51mm Modular Fuse Holder

Part Numbers System

Old Part
Number

Neutral Only

CH141DNX CH141BNX 1 Neutral cylindrical fuse holder

Fuse Holder Only

CH141D CH141B 1 1-pole cylindrical fuse holder

CH142D CH142B 2 2-pole cylindrical fuse holder

CH143D CH143B 3 3-pole cylindrical fuse holder

CH144D CH144B 4 4-pole cylindrical fuse holder

Fuse Holder and Neutral

CH141DN

CH143DN

Fuse Holder with Neon Indicator

CH141DI

CH142DI

CH143DI

CH144DI

Fuse Holder with Neon Indicator and Neutral

CH141DNI

CH143DNI CH143BNI 4 3-pole + neutral cylindrical fuse holder with neon indicator

Fuse Holder with Microswitch

CH141DMS

CH141DMS-F CH141BMS-F 1 1-pole cylindrical fuse holder with microswitch (pre-breaking/fuse operation/presence)

CH143DMS CH143BMS 3 3-pole cylindrical fuse holder with microswitch (fuse operation)

CH143DMS-F CH143BMS-F 3

Fuse Holder with Microswitch and Neutral

CH143DNMS-F CH143BNMS-F 4

CH143DNMS CH143DNMS 4

New Part
Number

CH141BN 2 1-pole + neutral cylindrical fuse holder

CH143DN 4 3-pole + neutral cylindrical fuse holder

CH141BI 1 1-pole cylindrical fuse holder with neon indicator

CH142BI 2 2-pole cylindrical fuse holder with neon indicator

CH143BI 3 3-pole cylindrical fuse holder with neon indicator

CH144BI 4 4-pole cylindrical fuse holder with neon indicator

CH141BNI 2 1-pole + neutral cylindrical fuse holder with neon indicator

CH141BMS 1 1-pole cylindrical fuse holder with microswitch (fuse operation)

Number
of Poles

Description

3-pole cylindrical fuse holder with microswitch (pre-breaking/fuse operation/presence)

3-pole + neutral cylindrical fuse holder with microswitch (pre-breaking/fuse operation/
presence)

3-pole + neutral cylindrical fuse holder with microswitch (fuse operation)

Accessories

Part Number Description Unit Packing

AL-D Multi-pole ganging clips, one kit will gang up to 4-poles together 12

CH14-HP Multi-pole handle pins, one kit will gang up to 12 handles together 12

CH14-L Lockout padlock support, it will accept up to 5mm diameter padlock shank 5

CH14-IP20

CH14-MS1 1-pole microswitch accessory, provides detection of a blown fuse link 5

CH14-MS3 3-pole microswitch accessory, provides detection of a blown fuse link 3

18-12-12 BU-SB12028 Form 14x51MFH Page 2 of 3 Data Sheet 720148

IP20 protection accessory, provides IP20 protection to terminals with 10mm2or less cable

12