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2

Operating instructions

Emergency stop command device

RDRZ45 RT

EN

1.7  Exclusion of liability

We shall accept no liability for damages and malfunctions resulting from 

defective mounting or failure to comply with this operating instructions 

manual. The manufacturer shall accept no liability for damages 

resulting from the use of unauthorised spare parts or accessories.

For safety reasons, invasive work on the device as well as arbitrary 

repairs, conversions and modifications to the device are strictly 

forbidden; the manufacturer shall accept no liability for damages 

resulting from such invasive work, arbitrary repairs, conversions and/or 

modifications to the device.

2.  Product description

2.1  Ordering code

This operating instructions manual applies to the following types:

RD 

 

 

 

No. Option

Description

R

latching

Z

Release by pulling only

45

Head diameter 45 mm

RT

Red colour

Only if the information described in this operating instructions 

manual are realised correctly, the safety function and therefore 

the compliance with the Machinery Directive is maintained.

2.2  Special versions

For special versions, which are not listed in the order code below 2.1, 

these specifications apply accordingly, provided that they correspond to 

the standard version.

2.3  Purpose

The RDRZ45 RT series emergency stop command devices are 

designed for use in emergency stop circuits to ISO 13850.

2.4  Technical data

Pushbutton 

Standards:

 

ISO 13850, IEC 60947-5-1,  

IEC 60947-5-5, IEC 60947-1 

Design:

 Emergency stop pushbutton with latching for front plate mounting

Unlocking type:

 

Draw unlocking

Snap-action mechanism:

 integrated

Fully insulated:

 Yes

Mounting-Ø:

  

22.3 mm

Mechanical life:

 

100.000 operations

Switching frequency:

 

600 s/h

Actuating force:

 

approx. 25 N

Material: 

 

- Material of the operating unit:

 

anodised aluminium  

- Material of the front ring:

 

anodised aluminium

Colours: 

 

- Operating unit colour:

 red 

 

- Front ring colour:

 gold

Dimensions:  

 

- Height:

 

27.5 mm 

 

- Diameter of control button:

 

45 mm 

- Hole, diameter:

 

22.3 mm + 0.4 mm 

- Shape:

 Round

Connection:

 

Mounting flange EFM

Max. tightening torque:

 

0.6 Nm

Front plate thickness: 

 

- min. front plate thickness:

 

1 mm 

- max. front plate thickness:

 

6 mm

Grid dimensions:

 

50 × 50 mm

Mounting position:

 random

Temperature range:

 

–25°C … +75°C

Protection class:

 IP65

Sealing type:

 

Lip gaskets, flat gaskets

Climatic resistance to DIN EN 60068: 

 

Part 2-30

Contact elements RF 

Standards:

 

IEC 60947-1, IEC 60947-5-1

Material:

  

 

- Material of the housings:

 

PA GV self-extinguishing,  

hardly flammable 

- Material of the contacts:

 

fine silver, spring bronze or brass carrier

Utilisation category:

 

AC-15: 250 V / 6 A;  

DC-13: 24 V / 3 A

Rated insulation voltage U

i

:

 

400 V

Rated impulse withstand voltage U

imp

:

 

4 kV

Degree of pollution:

 3

Overvoltage category:

 III

Suitable low voltage: 

 

min. 5 VDC / 1 mA

Thermal test current I

the

:

 

6 A

Max. fuse rating:

 

gG 6 A

Climatic resistance to DIN EN 60068: 

 

Part 2-30

Temperature range:

 

–25° C … + 60° C

Switch travel:

  

 

- NC:

 

approx. 1 mm 

- NO:

 

approx. 2.5 mm

Positive break travel: 

2 mm

Test voltage enclosed:

 

2500 VAC

Actuating force at stroke end:

 

approx. 9 N

Switching frequency:

 

1.200 s/h

Mechanical life:

 

10,000,000 operations

Resistance to shock:

 

30 g / 18 ms

Resistance to vibration:

 

20 g/10 … 150 Hz

Wiring configuration:

 

to IEC 60947-1

Connection:

 

screw terminals

Tightening torque for the connecting screw: 

max.

 

 1 Nm

Cable sections:

  

 

- Single-strand:

 

2 × (0.5 … 2.5 mm²) 

- Double-strand:

 

2 × (0.5 … 1.5 mm²)

Protection class: 

 

- Connections: 

IP20 (finger-safe) 

Wiring compartments: IP40

Approvals:

 cULus

2.5  Safety classification

Standards:

 

ISO  13 849-1

B

10D

 (NC contact):

  

100,000

Service life: 

20 years

MTTF

B

d x

x

h

s/h

3600

D

10D

op

op

op

n

0,1 x n

op

t

cycle

(Specifications can vary depending on the application-specific 

parameters h

op

, d

op

 and t

cycle

 as well as the load.)

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