H-J Oil-immersed Secondary Circuit Breakers
Description
Internal oil-immersed, low-voltage secondary circuit breakers
Specification
10-300 kVA
Application
Oil-immersed power distribution transformer
parameters
Secondary circuit breaker
Feature
Oil-immersed
- Description
- Type parameter
-
- Commodity name: H-J Oil-immersed Secondary Circuit Breakers
- 规格1: 10-300 kVA
- 应用: Oil-immersed power distribution transformer
- 类型: Secondary circuit breaker
- 特征: Oil-immersed
Internal oil-immersed, low-voltage secondary circuit breakers
ECI internal oil-immersed, low-voltage secondary circuit breakers are available for distribution transformers rated
10-167 kVA with secondary voltages of 120/240 or 240/480 single-phase. Some transformers rated 25 kVA
and all rated 37.5 kVA and above, single-phase, feature magnetic trip circuit breakers. Three-phase circuit breakers are
available from 15-150 kVA at 480 volts and below, and from 45-300 kVA at 480 volts.
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Type T-1 circuit breaker, thermal trip,
single-phase, 10-25 kVA, 120/240 volts;
10-50 kVA, 240/480 volts.
Type T-12 circuit breaker, thermal and
magnetic trip, single-phase, 37.5-50 kVA,
120/240 volts; 75-100 kVA, 240/480 volts.
Type T-13 circuit breaker, thermal and
magnetic trip, single-phase, 75-100 kVA,
120/240 volts; 167 kVA, 248/480 volts.
Maximum short-circuit capability:
25,000 amps for five operations.
Type T-14 circuit breaker, thermal and
magnetic trip, single-phase, 167 kVA,
120/240 volts. Maximum short-circuit
capability: 30,000 amps for five operations.
Type T-15 circuit breaker, thermal trip
without magnetic trip, three-phase, 15-150
kVA, 480 volts and below: 45-300 kVA,
480 volts delta, 460Y/225 volts, 480Y/227
volts.