STM 295

Features/Options

  • Thermoplastic enclosure
  • Double insulated
  • Spring-to-lock or power-to-lock principle
  • Holding force 1000 N
  • Wiring compartment
Note
  • The actuator is not included in the delivery of the switches

Technical data

StandardsEN ISO 13849-1; EN 60947-5-1; EN ISO 14119
Enclosureglass-fibre reinforced, shock-proof thermoplastic (PA 66), self-extinguishing UL 94-V0
Switch typetype 2
Coding levellow coding
Tightening torquecover screws 0.5 … 0.6 Nm, switch inserts M3 screw clamps min. 0.6 Nm, solenoid M3.5 screw clamps min. 0.8 Nm
Degree of protectionIP 67 to IEC/EN 60529
Switching systemslow action, positive break NC contacts
Switching elements2 NC/2 NO or 3 NC/1 NO contact, galvanically separated contact bridges
Connectionscrew connection terminals
Cable cross-sectionmax. 1.5 mm² (incl. conductor ferrules)
Cable entry2 x M20 x 1.5 for
cable diameter 5 … 9 mm
B10d (10 % Load)1 million
TMmax. 20 years
Ithe4 A
Utilisation categoryAC-15; DC-13
Ie/Ue enabling/signalling contacts4 A/250 VAC; 0.25 A/230 VDC
Max. fuse rating6 A gG/gN fuse
Ui250 V
Uimp4 kV
Holding force Fmax. 1000 N
Operation cyclesmax. 1200/h
Ie/Ue magnet0.08 A / 24 VDC +10 %/–15 %
Power consumptionmax. 47 W (0.25 s)
Max. fuse rating magnet2 A (slow blow)
Mechanical life> 500 000 operations
Ambient temperature–20 °C … +55 °C
Approvals

Stock types

Ordering details
Type code

Spring-to-lock principle
2 NC/2 NO contacts

Type   Material no.
STM 295 2Ö/2S-R stock type Standard versions, in stock or available at short notice 1183004
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Spring-to-lock principle
2 NC/2 NO contacts

with manual release FE

Type   Material no.
STM 295 2Ö/2S-R-FE 1183859
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Spring-to-lock principle
3 NC/1 NO contact

with manual release FE

Type   Material no.
STM 295 3Ö/1S-R-FE 1459973
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.

Power-to-lock principle
2 NC/2 NO contacts

Type   Material no.
STM 295 2Ö/2S-A stock type Standard versions, in stock or available at short notice 1183003
If you cannot find the version you require, just ask us! Our product portfolio to date has included many customised switchgear variants.
Actuators
Type   Material no.
Straight actuator STM 295-B1 stock type Standard versions, in stock or available at short notice 1183481
Type   Material no.
Angled actuator STM 295-B5 stock type Standard versions, in stock or available at short notice 1183470
Type   Material no.
Flexible actuator STM 295-B6 stock type Standard versions, in stock or available at short notice 1435030
Accessories
Type   Material no.
M5 triangular key stock type Standard versions, in stock or available at short notice 1182300