Siemens SIRIUS User Manual

Product description
3.2 Device versions
SIRIUS - SIRIUS 3RA load feeders
20 Manual, 09/2016, A5E03656507520A/RS-AB/003
Assembly of three-part combinations with link module between the motor starter protector and the
contactor
You are basically advised to refrain from setting up combinations of a motor starter protector,
a contactor and an overload relay or a monitoring relay as a completely assembled three-
part combination. If this should nevertheless be necessary, the following restrictions apply:
Motor starter protector + contactor + electronic overload relay / 3RR monitoring relay
(size S00 / S0)
Thermal restrictions
Mechanical restrictions
No restrictions
DIN rail adapter required
Motor starter protector + contactor + electronic overload relay / 3RR monitoring relay
(size S2)
Thermal restrictions
Mechanical restrictions
• At an ambient temperature of T
a
= 40 °C
(no restrictions)
• At an ambient temperature of T
a
= 60 °C
(clearance between the load feeders: ≥ 10 mm)
No restrictions
Motor starter protector + contactor + solid-state overload relay (size S3)
Thermal restrictions
Mechanical restrictions
On request
On request
Motor starter protector + contactor + thermal overload relay (size S00 / S0)
Thermal restrictions:
Mechanical restrictions
Reduce permissible ambient temperature by 20 K DIN rail adapter required
No side-by-side mounting
(≥ 10 mm clearance for vertical installation, > 20 mm for
horizontal installation)
Current derating to 87 % of I
n
Motor starter protector + contactor + thermal overload relay (size S2 / S3)
Note
A three
-part combination consisting of a motor starter protector, a contactor and a thermal
overload relay is not permissible for sizes S2 and
S3.

Siemens SIRIUS Specifications

General

Brand	Siemens
Model	SIRIUS
Category	Relays
Language	English