Ex 355 4VSR

Features/Options

Standards	EN 60947-5-1; EN 60079-0, EN 60079-1, EN 60079-7, EN 60079-31; EN ISO 13849-1
Enclosure	zinc die-cast, enamel finish
Switch insert	Ex 95
Degree of protection	IP 67 to IEC/EN 60529
Contact material	silver
Switching system	slow action, positive break NC contacts
Switching elements	1 NC/1 NO contact or 2 NC contacts, type Zb
Connection	screw connection terminals
Cable cross-section	max. 1.5 mm² (incl. conductor ferrules)
Cable entry	3 x M20 x 1.5 for cable section 5 … 9 mm
B_10d (10 % Load)	2 million
T_M	max. 20 years
U_imp	4 kV
U_i	250 V
I_the	6 A
I_e/U_e	6 A/250 VAC; 0.25 A/230 VDC
Utilisation category	AC-15; DC-13
Max. fuse rating	6 A gG/gN fuse
Ambient temperature	T6: –20 °C … +40 °C; T5: –20 °C … +60 °C
Mechanical life	> 1 million operations
Operation cycles	1800/h
Repeat accuracy of switching points	± 0.1 mm
Contact opening	max. 2 x 3.5 mm
Impact energy	max. 7 J
Ex marking	II 2G Ex db e IIC T6/T5 Gb, II 2D Ex tb IIIC T80 °C/T95 °C Db IECEx Ex db e IIC T6/T5 Gb, Ex tb IIIC T80 °C/T95 °C Db
Approvals	BVS 04 ATEX E 126 IECEx BVS 07.0013

Ordering details

Type code

Slow action

1 NC/1 NO contact

Type		Material no.
Ex 355 4VSR 1Ö/1S		1048057

Slow action

2 NC contacts

Type		Material no.
Ex 355 4VSR 2Ö		1180267

Slow action

1 NC/1 NO contact with overlapping

Type		Material no.
Ex 355 4VSR UE		on request Produced to order.