Over-current tripping unit SB430ST

ATEX Zert. BVS 03 ATEX F 001 X

SBE article number 80802682

Note:

“The operating instructions and further technical data will be sent with your purchase.”

ELMI-Elektronik GmbH

Höfer Ohl 12, 51645 Gummersbach
Registered at Cologne District Court HRB 45688
Managing Directors: Walter Schrader / Cathrin Schmitt ppa
VAT ID DE 241143449 • Tax No. 212/5724/2111
Tel.: +49 (0)2261 / 994260 – 50 • Fax: +49 (0)2261 / 994260 – 60 02261-994260 50
Head Office 02261-994260 60 Fax 02261-994260 51 – Technology/Production
Elmi-elektronik@t-online.de
walter.schrader.gm@sbe-schrader.de
cathrin.schmitt@sbe-schrader.de

SBE Schrader Mining Electrical

Höfer Ohl 12, 51645 Gummersbach
Tel.: +49 (0)2261 / 92053 – 0 • Fax: +49 (0)2261 / 92053 – 29
sbe@sbe-schrader.de • www.sbe-schrader.de
walter.schrader.gm@sbe-schrader.de
cathrin.schmitt@sbe-schrader.de

General information on the over-current tripping unit SB430ST

Together with suitable transformers (1mV/A to 8,6mV/A), the electronic over-current tripping unit SB430ST is intended as over-current protection of electrical sub-surface equipment.

This overcurrent release is primarily used for monitoring frequency-controlled three-phase motors. Parasitic interference voltages are largely filtered out of the mains and therefore do not affect the device’s tripping characteristic.

It is characterised by low amounts of self-heating and a huge current setting range both for chronologically delayed over-current tripping (Ith tripping) and for short-circuit quick tripping. It monitors the presence of 3 phases with approx. 120° offset; otherwise, the section is interrupted by Ith monitoring and an alarm contact can report the de-energised condition of the corresponding relay. An analogue value provides 0-10V according to 0.07…1.4 x IN.

Transformer constant 8,6mV/A

Working range In 0,8- 80A

Transformer constant 3mV/A

Working range In 2,3- 345A

Transformer constant 1mV/A

Working range In 7- 1050A

Manufacturer’s address

SBE
Schrader Bergbau Elektrik GmbH
Höfer Ohl 12
51645 Gummersbach, Germany
Owner of the distribution rights
ELMI Elektronik GmbH
Höfer Ohl 12
D-51645 Gummersbach

Contact

Phone: +49 (0)2261-92053-0
Fax: +49 (0)2261-92053-29
Email: SBE@SBE-Schrader.de
Email: ELMI-Elektronik@t-online.de

Spare parts and customer service

See manufacturer’s address

Certificates

The over-current tripping unit SB430ST is categorised as a so-called „safety device“
pursuant to ATEX directive 201/34/EU. We have the corresponding type-examination
certificate from a recognized body.

Copyrights and intellectual property rights of the over-current tripping unit SB430ST

Any copyrights and intellectual property rights for the over-current tripping unit SB430ST
shall be held by SBE-Schrader Bergbau Elektrik GmbH.

1.2 Warranty and liability

As a matter of principle, our „General Terms and Conditions of Sale and Delivery“ shall be
applicable. Warranty and liability claims in the event of personal and/or material damage
shall be excluded if these can be attributed to one or several of the following causes:

1.3 Intended use

The over-current tripping unit SB430ST is designed exclusively for the application options
allowed for by the manufacturer.
Any use exceeding the aforementioned shall be deemed improper. The manufacturer shall
not assume any liability for damages resulting thereof. The risk shall be borne exclusively
by the operator.

The concept of intended use also comprises the compliance with the operating,
maintenance, and repair conditions specified by the manufacturer.

1.4 Intended use

In connection with the related transformers, the over-current tripping unit SB430ST serves
for the protection of electrical consumers regarding the effects of overload and short circuit.
When being used in sub-surface mines, the over-current tripping unit SB430ST must be
installed into a housing of the ignition protection type „Flameproof enclosure d“ pursuant to
EN 60079-1.

The concept of intended use also comprises the observance of and compliance with any
information and instructions from these operating instructions, as well as the observance of
the relevant accident prevention regulations by the user at the application site.

Over-current tripping unit SB430ST

Improper use may result in dangers. The liability for dangers
and damage resulting from improper use shall be borne
exclusively by the user.

1.5 Structural Modification

It is not permitted to make any structural modifications to the SB430ST overcurrent release.
Unauthorized modifications are strictly prohibited.
It is not permitted to modify the SB430ST overcurrent release or use it for purposes other
than those intended.

2. Technical data

3. 1 Characteristic values of the SB430ST, including the related transformer types

The SB430ST overcurrent release is a tested electronic safety component that must be
installed in a type of protection „d“ when used in areas of underground mines at risk of
firedamp.
According to the type examination certificate

BVS 03 ATEX F 001 X

the following requirements for safe use apply.

The module must be installed and used in such a way that its safe operation is not
impaired by electromagnetic interference.

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