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Technical Data 

MN019001EN

Effective November 2015

Bussmann series 
PV Combiner box 
  

EATON

 www.eaton.com

Introduction

Copyright © 2015 Eaton. All rights reserved. No part of this document 
may be reproduced, stored on a retrieval system, in any form or by 
any means, electronic, mechanical, photographic, magnetic or other-
wise, without the prior written permission of Eaton.

Eaton makes no representations, express or implied, with respect 
to this documentation or any of the equipment and/or software it 
may describe, including (with no limitation) any implied warranties 
of utility, merchantability, or fitness for any particular purpose. 
All such warranties are expressly disclaimed. Eaton is not liable 
for any indirect, accidental, or consequential damages under any 
circumstances.

The exclusion of implied warranties may not apply in all cases 
under some statutes, and thus the above exclusion may not apply.

Specifications are subject to change without notice. Every attempt 
has been made to make this document complete, accurate and 
up-to-date. Users are cautioned, however, that Eaton reserves the 
right to make changes without notice and shall not be responsible 
for any damages, caused by reliance on the material presented, 
including, but not limited to, omissions, typographical errors, arith-
metical errors or listing errors in the content material.

Signal words used in this manual

The signal words “DANGER,” “WARNING,” “CAUTION” and 
“NOTICE” (along with their assigned symbol) throughout this 
manual indicate the degree of hazard the user may encounter. 
These symbols and words are defined as:

m

 DANGER

INDICATES A HAZARDOUS SITUATION WHICH, IF NOT AVOIDED, WILL 
RESULT IN DEATH OR SERIOUS INJURY.

m

 WARNING

INDICATES A HAZARDOUS SITUATION WHICH, IF NOT AVOIDED, COULD 
RESULT IN DEATH OR SERIOUS INJURY.

m

 CAUTION

INDICATES A HAZARDOUS SITUATION WHICH, IF NOT AVOIDED, COULD 
RESULT IN MINOR OR MODERATE INJURY.

NOTICE

INDICATES A HAZARDOUS SITUATION WHICH, IF NOT AVOIDED, COULD 
RESULT IN PROPERTY DAMAGE.

Skilled worker defi nitions

The following definitions apply as electrically instructed, skilled or 
competent people. Where in this manual an instructed, skilled or 
competent person is referred to, it is intended that they meet the 
description provided below for that definition.

Electrically instructed person

Person adequately advised or supervised by electrically skilled 
persons to enable him or her to perceive risks and to avoid 
hazards which electricity can create.

Electrically skilled person

Person with relevant education and experience to enable him or her 
to perceive risks and to avoid hazards which electricity can create.

Skills of qualifi ed persons

A skilled person must possess the following:

• 

Knowledge of the subject equipment and the hazards involved 
with their application, use, administration and maintenance

• 

Training and authorization to de-energise, clear, ground and tag 
circuits and equipment in accordance with established safety 
practices

• 

Training in the proper care and use of personal protective equip-
ment such as rubber gloves, hard hat, safety glasses or face 
shields. Arc-flashing clothing, etc. in accordance with estab-
lished safety practices

• 

Trained to render first aid

• 

Has received safety training to recognise and avoid the 
hazards involved

• 

The skills and knowledge pertaining to the construction and 
operation of this equipment and its installation

Competent person

Person having appropriate training, skill, knowledge and experi-
ence to prevent danger or injury arising from work within the 
scope of the Regulations.

Safety precautions

It is assumed the combiner box user will follow standard safety 
precautions for working in an electrical environment. For more 
information on safety precautions and procedures, consult the 
following sources:

International Electrotechnical Commission (IEC): www.iec.ch.

Safety according to the International Electrotechnical Commission 
(IEC): http://www.iec.ch/about/values/safety.htm

National Fire Protection Association (NFPA): www.nfpa.org.

Summary of Contents for Bussmann Series

Page 1: ...t description 6 Supplied components 7 Maintaining the IP rating 8 Handle operation 8 Safety Instructions 9 Electric shock 9 Burn hazards 9 Damage to the Eaton s Bussmann series combiner box 9 Product warning labels 9 Service and maintenance 9 Interlocking door and switch 10 Installation instructions 11 Unpacking and inspection 11 Electrical connections 11 Mounting 13 Monitoring solutions 14 8 stri...

Page 2: ...ction Leaflet from the Eaton s Bussmann series website at www eaton com bussmannseries The contents of this Instruction Leaflet are not part of nor do they modify any prior or existing agreement commitment or relationship The Eaton terms and conditions of sale constitute the entire obligation of Eaton The warranty in the terms and condi tions of sale is the sole warranty of Eaton Any statements in...

Page 3: ...TICE INDICATES A HAZARDOUS SITUATION WHICH IF NOT AVOIDED COULD RESULT IN PROPERTY DAMAGE Skilled worker definitions The following definitions apply as electrically instructed skilled or competent people Where in this manual an instructed skilled or competent person is referred to it is intended that they meet the description provided below for that definition Electrically instructed person Person ...

Page 4: ...4 Technical Data MN019001EN Effective November 2015 Bussmann series PV Combiner box EATON www eaton com Anatomy of an Eaton s Bussmann series combiner box ...

Page 5: ...5 Technical Data MN019001EN Effective November 2015 Bussmann series PV Combiner box EATON www eaton com ...

Page 6: ...p Non indicating fuse holders Q Positive only fuse protection M Negative only fuse protection C Both positive negative fuse protection Switch disconnect s D Disconnect switch F Fixed no disconnect switch Cenn xxAyypsh vmm PV string input output connection type h G Bottom entry glands standard output glands M Bottom entry MC4s standard output glands S Left and right side entry glands standard outpu...

Page 7: ... DETAILS Details shown in red are variable for each product The top right corner of the label states the details of the plant and country of origin of the combiner box Rating plate details are correct at time of print Supplied components The following are included in every combiner box order as stan dard The parts contained within the combiner box unit will vary dependent upon the request and desi...

Page 8: ...user responsibility to determine the necessary frequency to check and maintain any IP rating seals and or air filters dependant on the environment in which the product is installed Eaton assumes no liability for the lack of appropriate user maintenance measures IP65 rated seals IP55 rated Air Filter present on side of the enclosure m DANGER Handle operation The switch handle may be either containe...

Page 9: ...ed Internally labels are used to state the hazard presented by the live parts of the combiner box This label is highly visible on all shrouding within the combiner box The word Danger is defined as a hazardous situation which if not avoided will result in death or serious injury This indicates the level of hazard which could be encountered should the main tenance engineer fail to adhere to these w...

Page 10: ...using the key provided once the switch has been turned to the off position Figure 3 Switch handle positions A lockout tagout feature is present for the combiner box and should be used as per the image below Figure 4 Fitting of lockout tagout padlock The interlock may be overridden using the feature on the handle as per the image on the left This will allow the combiner box to be opened whilst the ...

Page 11: ...r connection where appli cable May be used for wired communi cation entry points PV DC earthing and AC mains PSU where required Side entry Example side entry view of a combiner box fitted with cable glands Positioning on this face may vary dependent on individual design If the design was fitted with MC4 connectors these would occupy the same area as the glands shown in the diagram m CAUTION Connec...

Page 12: ...ring cable into the combiner box through the gland as shown in the image below Connecting PV strings into glands Ensure the cable meets either the 10 x 38 modular fuse holders or the 14 x 51 modular fuse holders and is fully inserted so that no bare cable core is exposed Tighten the modular fuse holders using adequate torque as stated in the table in Torque values above NOTICE MC4 connections Posi...

Page 13: ...ments The following guidelines should be adhered to when mounting your combiner box Mounting the combiner box is done so at your own risk as is customer selection of a mounting location The mounting location should be in a well ventilated area and should not be a living area or office The mounting locations should be safely accessible at all times to aid any required servicing No escape routes sho...

Page 14: ... the chain configura tion the modules have doubled internally linked through connec tions top and bottom You use one bus connection as input the other as output to the next bus device The order of top or bottom is unimportant here Bus wiring for RS 485 or Modbus Connect the screen of the bus cable flat with screen termi nals no point contact We recommend that the screens are only earthed at one po...

Page 15: ...nt I8 20 00 20 00 A R 0020 0021 Float 32 Voltage 0 1000 0 V R 0028 0029 Float32 Power 0 160000 W R 0036 0037 Float32 Temperature 1 40 0 160 0 C R 0038 0039 Float32 Temperature 2 40 0 160 0 C R 0042 0043 Float32 Total current 160 00 160 00 A R 0044 0045 UINT32 Date of the firmware 0xDDMMYYYY Example 0x040507DB 04 05 2011 R 0046 0047 UINT32 Software version 0xBBBBMMNN Example 0x12510102 V1 02 1251 R...

Page 16: ...Float32 Power 0 480 000 W R 0042 0043 Float32 Temperature 1 40 0 160 0 C R 0044 0045 Float32 Temperature 2 40 0 160 0 C R 0050 0051 UINT32 Firmware date 0xDDMMYYYY Example 0x040507DB 04 05 2011 R Register integer Data type Channel descrip tion Possible values Unit R W 0052 0053 UINT32 Software version 0xBBBBMMNN Example 0x12510102 V1 02 1251 R 0054 UINT16 Error code 1 OK 1 NOK R 0055 UINT16 Calibr...

Page 17: ...7 Float32 Current I22 30 00 30 00 A R 0048 0049 Float32 Current I23 30 00 30 00 A R Register integer Data type Channel descrip tion Possible values Unit R W 0050 0051 Float32 Current I24 30 00 30 00 A R 0052 0053 Float32 Summed current 480 00 480 00 A R 0054 0055 Float32 Voltage 0 1000 0 V R 0056 0057 Float32 Power 0 480 000 W R 0058 0059 Float32 Temperature 1 40 0 160 0 C R 0060 0061 Float32 Temp...

Page 18: ...possible from PV system The metrological part is turned on only once per minute to perform the measurement and write the values into the registers The display backlight is switched off The communica tion part is permanently active Power consumption 0 1W 300 1 Data collection modes Default Simple communication With several type S1 string monitoring modules on one bus the data are collected sequenti...

Page 19: ...oring modules Procedure 1 Send a broadcast message by writing a value in register 302 sync register via the modbus address 0 broadcast address Thus in each module the actual measured values are written into the internal registers 60 to 101 and the broadcast value is transferred to register 59 2 Now read out sequentially from all modules the measured values of the individual strings from registers ...

Page 20: ...ge conditions There are three types of SPD available for your combiner box PV T1 PV T1 T2 PV T2 IEC mains T2 and Modbus RS 485 communications C2 D1 Each type of SPD is designed to safely shunt damaging overvoltage surges to ground minimising the risk of harm to the equipment and personnel Each SPD consists of a base and module When a voltage surge occurs Eaton s SPDs are designed so that only the ...

Page 21: ...21 Technical Data MN019001EN Effective November 2015 Bussmann series PV Combiner box EATON www eaton com NOTES ...

Page 22: ...22 Technical Data MN019001EN Effective November 2015 Bussmann series PV Combiner box EATON www eaton com NOTES ...

Page 23: ...23 Technical Data MN019001EN Effective November 2015 Bussmann series PV Combiner box EATON www eaton com NOTES ...

Page 24: ... 0 1509 882 600 www eaton com bussmannseries bulesales eaton com Contact your local Eaton Office Changes to the products to the information contained in this document and to prices are reserved so are errors and omissions Only order confirmations and technical documentation by Eaton is binding Photos and pictures also do not warrant a specific layout or functionality Their use in whatever form is s...

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