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Hermann ZANDER GmbH & Co. KG
Am Gut Wolf 15
52070 Aachen
GERMANY
Tel: +49 (0)241 910501-0
Fax: +49 (0)241 910501-38
E-mail: info@zander-aachen.de

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Timers and Control Relays

Zander also supplies a variety of timing and control relays:

Miniature rectifier module for high performance with small dimensions.

Interface modules are useful for power amplification and galvanic isolation between the controls and load circuit.

If adjustable switch-on or switch-off relays are required on machines and plants, ZANDER timers are in demand because of their high accuracy.

Our fault relays ENQ prevent damage to machines and maintenance standstills. E.g. they record the absence of lubricant on compressors, excessive temperatures or speeds and switch off the plant before a damage occurs.

The same function is executed by the DHC thermistor motor protection relays. They ensure that an electro motor is stopped at the correct point of time if overheating is imminent.

In addition to the standard components, ZANDER also delivers a number of customer-specific variants and special solutions, e.g. monitoring relays for earth faults in neon systems or door control systems for operating theatres.

You will find the following features of our timers and control relays here:

 

Type Function Supply Voltage Outputs Max. switching capacity relays outputs Feature Applications
DSRC1 Interfacemodul 1 input
AC/DC 24V
1 switching circuits
2 change-over contacts
AC 250 V; 8 A; 2000 VA only 22,5mm width Machine Tools,
automatic production machines,
industrial equipment
DSRC4 Interfacemodul 4 inputs
AC/DC 24V
4 switching circuits
each 1 NO
AC 250 V; 8 A; 2000 VA only 22,5mm width Machine Tools,
automatic production machines,
industrial equipment
DHC Motor Protection Relay AC 24V 1 NO AC 250 V; 5 A; 1250 VA zero voltage safe Motorprotection on machine tools, compressors, conveyor belts
ENQ4 Fault Indicator System each 4 fault report inputs
AC 230 V ; DC 24 V
1 NC (group message) AC 250 V; 8 A; 2000 VA panel mounting Compressors, automatic production machines,
vehicles, heating systems,
air-conditioners
DMC Programmable multi-function timers AC 230 V; DC 12-30 V 2 change-over contacts
2. contact instantaneous– or target contact
AC 250 V; 8 A; 2000 VA 16 time domains:
functions programmable
Bakery machines,
machine tools,
automatic production machines
DVC Time relay
programmable
AC 230 V; DC 12-30 V 2 change-over contacts
2. contact instantaneous– or target contact
AC 250 V; 8 A; 2000 VA 2 programable change-over contacts Bakery machines,
machine tools,
automatic production machines
DZT Star-Delta Timer AC 230 V 2 change-over contacts, each 1x
for Star-Delta Timer
AC 250 V; 6 A; 1500 VA 2 independent time circuit for Star-Delta Timer Mechanical Engineering, e.g. Machine Tool Industry, Packaging Machines, Compressors
ENS20 Timer AC 230 V ;  DC 24 V 2 change-over contacts
2. contact instantaneous– or target contact
AC 250 V; 8 A; 2000 VA IP65 front, all times /
functions programmable
Bakery machines,
machine tools,
automatic production machines

Rectifier module DSGV

500 V, 3.2 A peak; 2.2 A duration

Interface Modules

DSRC1 is a single-channel module with 2 changeover contacts.

The DSRC4 module includes four relay interfaces that are completely independent of one another. As a result, the space requirement is much less as compared to the individual components.

Motor Protection Relay

The DHC is a temperature monitoring relay for electro motors. It evaluates the resistance values of the PTC resistor integrated in the motor coil. A zero-voltage safe electronic restart interlock ensures that the relay will remain locked upon activation even in the event of power failure, i.e. an uncontrolled restart will be avoided.

Fault Indicator System

The electronic ENQ4 fault indicator system offers a complete fault indicator unit for recording unapproved operating conditions such as excessive pressure or excessive temperature in a compact design.

ENQ are successfully used with compressors, automatic production machines, vehicles, heating systems and air-conditioners.

Several modules can be arranged next to one another in the form of a tableau.

Timer

The multi-function timers DMC and DVC with analogue time setting offer all the standard functions and time domains in one device. Moreover, DMC can be used as a sensor relay. A remote potentiometer connection is also available. The DZT operates as a star-delta time relay.

If an absolute digital time setting is necessary, ENS20 is the correct choice. ENS20 is a super-compact digital timer / digital counter, which can be easily programmed in all the standard functions and time domains, in which time can be set via a water-proof keyboard.