Mode of operation

Measuring principle

Rotating point level switch

Input

Measured variable

High and low and demand

Output

Output signal

• Alarm output

Microswitch 5 A at 250 V AC, non-inductive

Microswitch SPDT contact 4 A at 30 V DC, non-inductive

• Pickup delay

Standard (1 rpm model): approx. 1.3 seconds

Optional process applications (5 rpm model): approx. 0.26 seconds

Sensitivity

Adjustable via reset force of spring or geometry of measuring vane

Rated operating conditions

Installation conditions

• Location

Indoor/outdoor

Ambient conditions

• Ambient temperature

-25 ... +60 °C (-13 ... +140 °F)

• Installation category

III

• Pollution degree

2

Medium conditions

Bulk solids

• Temperature

• Standard

-25 ... +80 °C (-13 ... +176 °F)

• Optional

-25 ... +600 °C (-13 ... +1 112 °F)

Higher temperature version is available. Consult a local sales person for details. For more information, please visit http://www.automation.siemens.com/aspa_app.

• Pressure (vessel)

• Standard

Max. 0.5 bar g (7.25 psi g)

• Optional

Max. 10 bar g (145 psi g)

• Minimum material density

• Standard measuring vane

Can detect down to 100 g/l (6.25 lb/ft³)

• Optional measuring vane

Can detect down to 15 g/l (0.94 lb/ft³)

Design

Material

• Enclosure

Epoxy coated aluminum

• Process connection, measuring shaft and vane

Stainless steel or aluminum

Process connection

Thread NPT, BSP, and flange options

Degree of protection

IP65/Type 4/NEMA 4

Conduit entry

2 x M20 x 1.5 or 2 x ?" NPT

Power supply

Jumper selectable

115 V AC, ± 15 %, 50 ... 60 Hz, 4 VA
or 230 V AC, ± 15 %, 50 Hz, 6 VA,
or 48 V AC, or 24 V AC,
or 24 V DC, ± 15 %, 2.5 W

Universal voltage (DPDT replay)

24 V DC ± 15 % 50 ... 60 Hz, 22 ... 230 V, ± 10 %, max. 10 VA

Certificates and approvals

• CSA/FM General Purpose
• CE
• CSA/FM Dust Ignition Proof
• ATEX II 1/2 D
• RCM
• IECex